186 results on '"Ross, KM"'
Search Results
2. Short and long-term acceptability and efficacy of extended-release cornstarch in the hepatic glycogen storage diseases: results from the Glyde study
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Weinstein, DA, Jackson, RJ, Brennan, EA, Williams, M, Davison, JE, Boer, F de, Derks, TGJ, Ellerton, C, Faragher, B, Gribben, J, Labrune, P, McKittrick, KM, Murphy , E, Ross, KM, Steuerwald, U, Voillot, C, Woodward, AJM, and Mundy, HR
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- 2024
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3. Health promotion in older adults: prescribing exercise for the frail and home bound.
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Struck BD and Ross KM
- Published
- 2006
4. Lispro or regular insulin for multiple injection therapy in adolescence: differences in free insulin and glucose levels overnight.
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Mohn A, Matyka KA, Harris DA, Ross KM, Edge JA, and Dunger DB
- Abstract
OBJECTIVE--Regular insulin given with the evening meal could contribute to the risk of nocturnal hypoglycemia in adolescents with type 1 diabetes using a multiple injection regimen. To test this hypothesis, we compared glucodynamics and free insulin levels on two separate study nights. RESEARCH DESIGN AND METHODS--A total of 14 adolescents were recruited. On both nights, identical doses of regular insulin or insulin lispro were administered 30 min or 10 min, respectively, before the evening meal, using a double-blind randomized crossover study design. Doses of NPH insulin and carbohydrate content of the evening meal and snack were kept identical. Blood samples were taken every 15 min for blood glucose and every 60 min for free insulin and ketones. RESULTS--After insulin lispro administration, glucose levels were significantly lower between the evening meal and the bedtime snack (analysis of variance [ANOVA] P = 0.02), and four hypoglycemic episodes were recorded. This corresponded to a higher (458 +/- 48 vs. 305 +/- 33 pmol/l, P = 0.02), earlier (64 +/- 4.6 vs. 103 +/- 12 min, P = 0.01), and shorter-lasting (245 +/- 21 vs. 365 +=/- 39 min, P = 0.01) insulin peak in contrast to regular insulin. After the bedtime snack, glucose levels increased dramatically during the lispro night and stayed higher, up to 0300 in the morning (ANOVA P = 0.01), corresponding to lower mean insulin levels (146 +/- 20 vs. 184 +/- 27 pmol/l, P = 0.04). No differences were seen in glucose and insulin levels between 0300 and 0800. Four episodes of nocturnal hypoglycemia were documented after the bedtime snack during the regular insulin night, in contrast to one episode after insulin lispro. No differences in ketone levels were observed. CONCLUSIONS--The replacement of regular insulin with insulin lispro may reduce the risk of late hypoglycemia, but redistribution of the evening carbohydrate may be needed to ensure good metabolic control and prevent early postprandial hypoglycemia. [ABSTRACT FROM AUTHOR]
- Published
- 1999
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5. Women's Lived Experiences and Perceptions of Representation and Identity in Urban Space; A Case Study of Liverpool UK
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Ross, KM, Jones, P, and Coleman, R
6. A randomized study of how physicians interpret research funding disclosures.
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Kesselheim AS, Robertson CT, Myers JA, Rose SL, Gillet V, Ross KM, Glynn RJ, Joffe S, Avorn J, Kesselheim, Aaron S, Robertson, Christopher T, Myers, Jessica A, Rose, Susannah L, Gillet, Victoria, Ross, Kathryn M, Glynn, Robert J, Joffe, Steven, and Avorn, Jerry
- Abstract
Background: The effects of clinical-trial funding on the interpretation of trial results are poorly understood. We examined how such support affects physicians' reactions to trials with a high, medium, or low level of methodologic rigor.Methods: We presented 503 board-certified internists with abstracts that we designed describing clinical trials of three hypothetical drugs. The trials had high, medium, or low methodologic rigor, and each report included one of three support disclosures: funding from a pharmaceutical company, NIH funding, or none. For both factors studied (rigor and funding), one of the three possible variations was randomly selected for inclusion in the abstracts. Follow-up questions assessed the physicians' impressions of the trials' rigor, their confidence in the results, and their willingness to prescribe the drugs.Results: The 269 respondents (53.5% response rate) perceived the level of study rigor accurately. Physicians reported that they would be less willing to prescribe drugs tested in low-rigor trials than those tested in medium-rigor trials (odds ratio, 0.64; 95% confidence interval [CI], 0.46 to 0.89; P=0.008) and would be more willing to prescribe drugs tested in high-rigor trials than those tested in medium-rigor trials (odds ratio, 3.07; 95% CI, 2.18 to 4.32; P<0.001). Disclosure of industry funding, as compared with no disclosure of funding, led physicians to downgrade the rigor of a trial (odds ratio, 0.63; 95% CI, 0.46 to 0.87; P=0.006), their confidence in the results (odds ratio, 0.71; 95% CI, 0.51 to 0.98; P=0.04), and their willingness to prescribe the hypothetical drugs (odds ratio, 0.68; 95% CI, 0.49 to 0.94; P=0.02). Physicians were half as willing to prescribe drugs studied in industry-funded trials as they were to prescribe drugs studied in NIH-funded trials (odds ratio, 0.52; 95% CI, 0.37 to 0.71; P<0.001). These effects were consistent across all levels of methodologic rigor.Conclusions: Physicians discriminate among trials of varying degrees of rigor, but industry sponsorship negatively influences their perception of methodologic quality and reduces their willingness to believe and act on trial findings, independently of the trial's quality. These effects may influence the translation of clinical research into practice. [ABSTRACT FROM AUTHOR]- Published
- 2012
7. Design of Project STAR: A randomized controlled trial evaluating the impact of an adaptive intervention on long-term weight-loss maintenance.
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Ross KM, Shankar MN, Qiu P, Tian Z, Swanson TN, Shetty A, Ruiz J, Anthony L, and Perri MG
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- Humans, Female, Male, Middle Aged, Adult, Weight Loss, Weight Gain, Telephone, Body Weight Maintenance, Body Mass Index, Research Design, Weight Reduction Programs methods, Weight Reduction Programs organization & administration, Obesity therapy
- Abstract
Background: Without provision of additional intervention, most individuals regain weight after the end of weight-loss programs. Extended-care programs have been demonstrated to improve long-term weight-loss maintenance, but effects are modest., Methods: We proposed to evaluate whether delivering extended-care telephone sessions on an ADAPTIVE (provided when individuals are deemed to be at high-risk for weight regain) versus STATIC (the once-per-month schedule typically used in extended-care programs) schedule improves weight regain after initial weight loss. Adults with obesity were initially recruited for a 16-week lifestyle weight-loss program, and those who lost ≥5 % of their initial weight were eligible for enrollment in the Project STAR maintenance trial., Results: A total of 449 individuals (mean ± SD age = 49.5 ± 11.4 years, BMI = 35.7 ± 4.0 kg/m
2 , 83.5 % female, 23.4 % Black or African American, 9.8 % Hispanic) were recruited for the initial weight-loss program and lost an average of 6.4 ± 4.9 % of their initial body weight; 255 were randomized to the maintenance trial. There were no significant differences between participants randomized to the trial versus those who were not in terms of baseline weight, gender, race/ethnicity, education, or marital status, all ps > 0.05; however, participants who were randomized to the trial were older, p = .014, and reported higher incomes, p < .001., Conclusion: Results from Project STAR will demonstrate whether providing extended-care intervention on an individually adaptable schedule improves long-term weight-loss maintenance. Moreover, the rich longitudinal dataset collected during the trial will serve as a foundation for building future predictive algorithms of weight regain and novel weight-maintenance interventions., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. The research described in this publication was supported by the National Institute of Diabetes and Digestive and Kidney Diseases of the National Institutes of Health, under award number R01DK119244., (Copyright © 2024 Elsevier Inc. All rights reserved.)- Published
- 2024
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8. Experiences of discrimination and snacking behavior in Black and Latinx children.
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Ehrlich KB, Brisson JM, Wiggins ER, Lyle SM, Celia-Sanchez M, Gallegos D, Langer A, Ross KM, and Gerend MA
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Little is known about how discrimination contributes to health behaviors in childhood. We examined the association between children's exposure to discrimination and their snacking behavior in a sample of youth of color (N = 164, M
age = 11.5 years, 49% female, 60% Black, 40% Hispanic/Latinx). We also explored whether children's body mass index (BMI) or sleepiness moderated the association between discrimination and calorie consumption. The significant link between discrimination and calorie consumption was moderated by children's BMI, such that discrimination was associated with calorie consumption for children with BMI percentiles above 79%. Children's sleepiness did not serve as an additional moderator. Efforts to promote health should consider children's broader socio-contextual experiences, including discrimination, as factors that may shape eating patterns., (© 2024 The Author(s). Child Development published by Wiley Periodicals LLC on behalf of Society for Research in Child Development.)- Published
- 2024
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9. A Qualitative Scoping Review of Community Firearm Violence in Low-Income Settings.
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Walsh CS, Sullivan TN, Kliewer W, and Ross KM
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Firearm violence is a public health crisis in the United States that disproportionately impacts community members in low-income areas who witness and experience violence and violent victimization at elevated rates compared to other socioeconomic groups, often as result of community disinvestment and systemic racism (Smith et al., Soc Sci Med 246:112587, 2020). While quantitative reviews of firearm violence and related factors exist, a review of qualitative methods and findings regarding exposure to firearm violence has not yet been conducted. This scoping review sought to address a gap in the literature by summarizing the findings of qualitative studies on community firearm violence in low-income settings in the U.S. EBSCO databases, Criminal Justice Abstracts, National Criminal Justice Reference Service Abstracts, ProQuest, and PsycINFO were searched for studies that described the firearm related experiences of individuals and families in low-income communities. Thirty studies met the criteria for review. Findings were situated within the Centers for Disease Control and Prevention's (CDC) Social-Ecological Model as a framework for prevention (CDC, The social-ecological model: a framework for prevention, https://www.cdc.gov/violenceprevention/about/social-ecologicalmodel.html , 2018; Dahlberg and Krug, World Report on violence and health, World Health Organization, Geneva, 2002). A critique of the literature, as well as implications and future directions of findings, are discussed. This study may inform future research questions and programs that center the voices of those most impacted by firearm violence., (© 2024. The Author(s).)
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- 2024
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10. Perceptions of an acceptance-based weight management treatment among adults living in rural areas.
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Bauman V, Swanson TN, Eastman AJ, Ross KM, and Perri MG
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- Humans, Female, Male, Adult, Middle Aged, Focus Groups, Weight Reduction Programs methods, Acceptance and Commitment Therapy, Weight Loss, Surveys and Questionnaires, Behavior Therapy methods, Aged, Rural Population, Obesity therapy, Obesity psychology
- Abstract
Obesity and obesity-related comorbidities disproportionately affect rural communities. Research has emerged in support of a novel acceptance-based behavioural weight management treatment (ABT) that integrates the principles and procedures of acceptance-commitment therapy (ACT) with traditional components of standard behavioural treatment (SBT). The current study assessed the perceptions of community stakeholders in rural areas to session materials of a commercially available ABT program. Surveys and focus groups were used to solicit feedback from three former interventionists with experience delivering SBTs in rural counties and from 17 former participants in these programs. Qualitative responses encompassed four overarching themes: (1) recommendations to support participant engagement, (2) comments about preferences for specific ABT and SBT strategies, (3) concerns about specific aspects of treatment delivery, and (4) requests for aesthetic changes to session materials to enhance clarity and engagement. Overall, participants viewed ABT materials and concepts favourably but believed it would be important to begin the intervention with rapport building and training in traditional SBT strategies prior to delving into ACT strategies. Future studies should investigate the efficacy of ABT for weight loss in adults with obesity living in rural communities and continue to solicit feedback from rural community stakeholders., (© 2024 World Obesity Federation.)
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- 2024
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11. Exploring potential reach and representativeness of a self-weighing weight gain prevention intervention in adults with overweight and obesity.
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Scotti KB, Rajoria M, Carrera Seoane M, Ross KM, Muenyi S, and McVay MA
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- Humans, Male, Female, Middle Aged, Adult, Self Care, Weight Reduction Programs methods, Body Mass Index, Aged, Weight Loss, Obesity prevention & control, Obesity therapy, Obesity psychology, Weight Gain, Overweight therapy, Overweight prevention & control
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Most adults with obesity do not enrol in comprehensive weight loss interventions when offered. For these individuals, lower burden self-weighing interventions may offer an acceptable alternative, though data is lacking on the potential for reach and representativeness of such interventions. Health system patients with BMI ≥30 kg/m
2 (or 25-30 kg/m2 with an obesity comorbidity) completed a general health survey. During the survey, patients were given information about comprehensive weight loss interventions. If they denied interest or did not enrol in a comprehensive intervention, they were offered enrolment in a low-burden weight gain prevention intervention focused on daily self-weighing using a cellular network-connected in-home scale without any dietary or physical activity prescriptions. Enrolment in this program was documented. Among patients offered the self-weighing intervention (n = 85; 55.3% men; 58.8% White; BMI = 34.2 kg/m2 ), 44.2% enrolled. Compared to those who did not enrol, enrollers had higher educational attainment (57.1% vs. 42.9% with bachelor's degree p = .02), social anxiety (5.8 vs. 2.8, p < .001), and perceptions of the effectiveness of the self-weighing intervention (25.8 vs. 20.9 on 35, p = .007). The most highly endorsed reason for not enrolling in the self-weighing intervention was that it would make individuals overly focused on weight. A low-intensity weight gain prevention intervention may serve as a viable alternative to comprehensive weight loss interventions for the substantial portion of patients who are at risk for continued weight gain but would otherwise not enrol in a comprehensive intervention. Differential enrolment by education, however, suggests potential for inequitable uptake., (© 2024 World Obesity Federation.)- Published
- 2024
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12. Association of food insecurity with overall and disease-specific mortality among cancer survivors in the US.
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Hong YR, Wang R, Case S, Jo A, Turner K, and Ross KM
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- Humans, Female, Male, Middle Aged, United States epidemiology, Aged, Adult, Cardiovascular Diseases mortality, Cardiovascular Diseases epidemiology, Proportional Hazards Models, Food Insecurity, Cancer Survivors statistics & numerical data, Nutrition Surveys, Neoplasms mortality
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Purpose: To investigate the association of food insecurity with overall and disease-specific mortality among US cancer survivors., Methods: Data from the National Health and Nutrition Examination Survey (NHANES 1999-2018) were used to examine the impact of food insecurity on mortality risks among cancer survivors in the US. Study participants aged ≥ 20 years who had a history of cancer and completed the Adult Food Security Survey Module were included. Mortality data [all-cause, cancer, and cardiovascular (CVD) specific] through December 31, 2019 were obtained through linkage to the National Death Index. Using multivariable Cox proportional hazard regression, hazard ratios of mortality based on food security status were estimated., Results: Among 5032 cancer survivors (mean age 62.5 years; 58.0% women; 86.2% non-Hispanic White), 596 (8.8%) reported food insecurity. Overall, 1913 deaths occurred (609 cancer deaths and 420 CVD deaths) during the median follow-up of 6.8 years. After adjusting for age, food insecurity was associated with a higher risk of overall (HR = 1.93; 95% CI = 1.56-2.39), CVD-specific (HR = 1.95; 95% CI = 1.24-3.05), and cancer-specific (HR = 1.70; 95% CI = 1.20-2.42) mortality (P < 0.001). However, after adjusting for socioeconomic characteristics and health-related factors (physical activity, diet quality measured by healthy eating index), the association between food insecurity and overall mortality was no longer statistically significant., Conclusions: Food insecurity was associated with a greater risk of overall mortality among cancer survivors. Further studies are needed to confirm these findings and evaluate whether the observed association represents a causal phenomenon and, if so, whether the effect is modifiable with food assistance programs., (© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)
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- 2024
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13. MyTrack+: Human-centered design of an mHealth app to support long-term weight loss maintenance.
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Chen YP, Woodward J, Shankar MN, Bista D, Ugwoaba U, Brockmann A, Ross KM, Ruiz J, and Anthony L
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A growing body of research has focused on the utility of adaptive intervention models for promoting long-term weight loss maintenance; however, evaluation of these interventions often requires customized smartphone applications. Building such an app from scratch can be resource-intensive. To support a novel clinical trial of an adaptive intervention for weight loss maintenance, we developed a companion app, MyTrack+, to pair with a main commercial app, FatSecret (FS), leveraging a user-centered design process for rapid prototyping and reducing software engineering efforts. MyTrack+ seamlessly integrates data from FS and the BodyTrace smart scale, enabling participants to log and self-monitor their health data, while also incorporating customized questionnaires and timestamps to enhance data collection for the trial. We iteratively refined the app by first developing initial mockups and incorporating feedback from a usability study with 17 university students. We further improved the app based on an in-the-wild pilot study with 33 participants in the target population, emphasizing acceptance, simplicity, customization options, and dual app usage. Our work highlights the potential of using an iterative human-centered design process to build a companion app that complements a commercial app for rapid prototyping, reducing costs, and enabling efficient research progress., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (© 2024 Chen, Woodward, Shankar, Bista, Ugwoaba, Brockmann, Ross, Ruiz and Anthony.)
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- 2024
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14. Identification of minimum thresholds for dietary self-monitoring to promote weight-loss maintenance.
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Arroyo KM, Carpenter CA, Krukowski RA, and Ross KM
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- Adult, Humans, Middle Aged, Diet, Overweight therapy, Weight Gain, Obesity therapy, Weight Reduction Programs methods
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Objective: Reduced schedules of dietary self-monitoring are typically recommended after the end of behavioral weight-loss programs; however, there exists little empirical evidence to guide these recommendations., Methods: We explored potential thresholds for dietary self-monitoring during a 9-month maintenance period following a 3-month weight-loss program in 74 adults with overweight or obesity (mean [SD] age = 50.7 [10.4] years, BMI = 31.2 [4.5] kg/m
2 ) who were encouraged to self-monitor weight, dietary intake, and physical activity daily and report their adherence to self-monitoring each week via a study website., Results: Greater self-monitoring was correlated with less weight regain for thresholds of ≥3 days/week, with the largest benefit observed for thresholds of ≥5 to ≥6 days/week (all p < 0.05); significant weight gain was observed for thresholds of ≥1 to ≥2 days/week, whereas no change in weight was observed for thresholds of ≥3 to ≥4 days/week, and weight loss was observed with thresholds of ≥5 or more days/week., Conclusions: Results demonstrate that self-monitoring at least 3 days/week may be beneficial for supporting long-term maintenance, although greater benefit (in relation to weight loss) may be realized at thresholds of 5 to 6 days/week. Future research should investigate whether individuals who were randomized to self-monitor at these different thresholds demonstrate differential patterns of weight-loss maintenance., (© 2024 The Obesity Society.)- Published
- 2024
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15. A low-burden, self-weighing intervention to prevent weight gain in adults with obesity who do not enroll in comprehensive treatment.
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McVay MA, Carrera Seoane M, Rajoria M, Dye M, Marshall N, Muenyi S, Alkanderi A, Scotti KB, Ruiz J, Voils CI, and Ross KM
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Background: For individuals who are eligible but unlikely to join comprehensive weight loss programs, a low burden self-weighing intervention may be a more acceptable approach to weight management., Methods: This was a single-arm feasibility trial of a 12-month self-weighing intervention. Participants were healthcare patients with a BMI ≥25 kg/m
2 with a weight-related comorbidity or a BMI >30 kg/m2 who reported lack of interest in joining a comprehensive weight loss program, or did not enroll in a comprehensive program after being provided program information. In the self-weighing intervention, participants were asked to weigh themselves daily on a cellular connected scale and were sent text messages every other week with tailored weight change feedback, including messages encouraging use of comprehensive programs if weight gain occurred., Results: Of 86 eligible patients, 39 enrolled (45.3%) in the self-weighing intervention. Self-weighing occurred on average 4.6 days/week (SD = 1.4). At 12 months, 12 participants (30.8%) lost ≥3% baseline weight, 11 (28.2%) experienced weight stability (±3% baseline), 6 (15.4%) gained ≥3% of baseline weight, and 10 (25.6%) did not have available weight data to evaluate. Three participants reported joining a weight loss program during the intervention (7.7%). Participants reported high intervention satisfaction in quantitative ratings (4.1 of 5), and qualitative interviews identified areas of satisfaction (e.g., timing and content of text messages) and areas for improvement (e.g., increasing personalization of text messages)., Conclusion: A low-burden self-weighing intervention can reach adults with overweight/obesity who would be unlikely to engage in comprehensive weight loss programs; the efficacy of this intervention for preventing weight gain should be further evaluated in a randomized trial., Competing Interests: Author MAM declares PI role in grant funding this work (R03HL154272) and board membership in the Society of Behavioral Medicine from 2019 to 2022. Additionally, she is funded by the following grants on weight‐related topics: R01DK134409 (PI), R21 AG070642 (PI). CIV is funded by the following grants on weight‐related topics: NHLBI UH3HL150558 (PI); VA HSRD IIR 21–101 (PI); and VA HSR&D IIR 20–322 (Co‐I)s. KMR declares the following: Co‐I role on grant funding current research (R01HL154272); Co‐I or PI on following grants on weight‐related topics: NIDDK R01DK119244 (PI), UF CTSI Pilot Mechanism (Co‐I); NHLBI R18HL112720 (Co‐I); UF College of Public Health and Health Professions Faculty Research Enhancement Program (Co‐I); Consulting for Purple Workshops LLC on HIPAA and digital health data storage; travel and honoraria for presentation at University of Georgia; participant in DSMB at University of Connecticut. JR has received funding from NIH, the National Science Foundation, and the Defense Advanced Research Projects Agency. Authors MCS, MR, MD, NM, SM, AA, and KBS declare no conflicts of interest., (© 2024 The Authors. Obesity Science & Practice published by World Obesity and The Obesity Society and John Wiley & Sons Ltd.)- Published
- 2024
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16. Prenatal mood and anxiety disorders and associated cytokine changes.
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Mancuso RA, Ross KM, Accortt E, Coussons-Read M, Okun ML, Irwin J, Carroll J, Hobel CJ, and Schetter CD
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- Female, Pregnancy, Humans, Anxiety Disorders diagnosis, Cytokines, Longitudinal Studies, Interleukin-6, Interleukin-10, Anxiety, Postpartum Period, Anti-Inflammatory Agents, Mood Disorders, Depression, Pregnancy Complications, Depression, Postpartum diagnosis
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Background: We examined whether women with prenatal mood and anxiety disorders would exhibit differential pro- and anti-inflammatory marker trajectories during the prenatal and postpartum periods compared to women without these disorders., Methods: Approximately 179 pregnant women participated in a longitudinal study conducted in two urban areas. Blood samples for inflammatory markers were collected at six study visits. The Structured Clinical Interview for the DSM-IV (SCID) was administered to participants scoring above cutoffs on anxiety and depression. Pregnant women with SCID Axis I diagnoses of mood and/or anxiety disorders were compared to other participants on inflammatory markers. Multilevel modeling tested associations between SCID diagnoses and within-person interleukin (IL)6 and IL10 trajectories., Results: Prenatal SCID diagnoses were associated with linear, quadratic and cubic change in IL6 from prenatal to postpartum timepoints. Women with a prenatal SCID diagnosis had steeper decreases and increases in IL6 during prenatal and postpartum periods. SCID diagnoses were associated with lower IL10 in mid-pregnancy to postpartum (b = -0.078, SE = 0.019; p = .015)., Limitations: Future studies would benefit from a larger sample size and a larger number of participants with SCID diagnoses. Future research should also examine whether different prenatal Axis 1 diagnoses are associated with different patterns of immune response in pregnancy., Conclusions: Pregnant women with prenatal mood and anxiety disorders had greater fluctuations in IL6 across prenatal and postpartum periods and lower IL10 through pregnancy and postpartum. They may have different proinflammatory states that remain after birth without a reciprocal anti-inflammatory response., Competing Interests: Declaration of competing interest Eight of the nine authors of this manuscript declare no conflict of interest. One author declares a potential personal, financial, and employment conflict of interest., (Copyright © 2023. Published by Elsevier B.V.)
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- 2024
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17. Digital health interventions for all? Examining inclusivity across all stages of the digital health intervention research process.
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Krukowski RA, Ross KM, Western MJ, Cooper R, Busse H, Forbes C, Kuntsche E, Allmeta A, Silva AM, John-Akinola YO, and König LM
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- Humans, Research Design, Digital Health, Health Promotion methods
- Abstract
Digital interventions offer many possibilities for improving health, as remote interventions can enhance reach and access to underserved groups of society. However, research evaluating digital health interventions demonstrates that such technologies do not equally benefit all and that some in fact seem to reinforce a "digital health divide." By better understanding these potential pitfalls, we may contribute to narrowing the digital divide in health promotion. The aim of this article is to highlight and reflect upon study design decisions that might unintentionally enhance inequities across key research stages-recruitment, enrollment, engagement, efficacy/effectiveness, and retention. To address the concerns highlighted, we propose strategies including (1) the standard definition of "effectiveness" should be revised to include a measure of inclusivity; (2) studies should report a broad range of potential inequity indicators of participants recruited, randomized, and retained and should conduct sensitivity analyses examining potential sociodemographic differences for both the effect and engagement of the digital interventions; (3) participants from historically marginalized groups should be involved in the design of study procedures, including those related to recruitment, consent, intervention implementation and engagement, assessment, and retention; (4) eligibility criteria should be minimized and carefully selected and the screening process should be streamlined; (5) preregistration of trials should include recruitment benchmarks for sample diversity and comprehensive lists of sociodemographic characteristics assessed; and (6) studies within trials should be embedded to systematically test recruitment and retention strategies to improve inclusivity. The implementation of these strategies would enhance the ability of digital health trials to recruit, randomize, engage, and retain a broader and more representative population in trials, ultimately minimizing the digital divide and broadly improving population health., (© 2024. The Author(s).)
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- 2024
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18. Predicting high-risk periods for weight regain following initial weight loss.
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Ross KM, You L, Qiu P, Shankar MN, Swanson TN, Ruiz J, Anthony L, and Perri MG
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- Adult, Humans, Body Weight, Energy Intake, Weight Gain, Obesity therapy, Weight Loss
- Abstract
Objective: The aim of this study was to develop a predictive algorithm of "high-risk" periods for weight regain after weight loss., Methods: Longitudinal mixed-effects models and random forest regression were used to select predictors and develop an algorithm to predict weight regain on a week-to-week basis, using weekly questionnaire and self-monitoring data (including daily e-scale data) collected over 40 weeks from 46 adults who lost ≥5% of baseline weight during an initial 12-week intervention (Study 1). The algorithm was evaluated in 22 adults who completed the same Study 1 intervention but lost <5% of baseline weight and in 30 adults recruited for a separate 30-week study (Study 2)., Results: The final algorithm retained the frequency of self-monitoring caloric intake and weight plus self-report ratings of hunger and the importance of weight-management goals compared with competing life demands. In the initial training data set, the algorithm predicted weight regain the following week with a sensitivity of 75.6% and a specificity of 45.8%; performance was similar (sensitivity: 81%-82%, specificity: 30%-33%) in testing data sets., Conclusions: Weight regain can be predicted on a proximal, week-to-week level. Future work should investigate the clinical utility of adaptive interventions for weight-loss maintenance and develop more sophisticated predictive models of weight regain., (© 2023 The Obesity Society.)
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- 2024
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19. Confronting misconceptions of public housing communities: A qualitative report of community-informed narratives by community members and partners.
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Walsh CS, Leslie CE, Ross KM, Santana A, Radabaugh S, Edmonds T, and Sullivan TN
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- Female, Humans, Male, Black or African American, Narration, Poverty, Public Housing
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Objectives were (a) to understand a community-informed narrative, as told by community members (CMs) and community partners (CPs), about the strengths, experiences, and perspectives of public housing communities; and (b) to analyze similarities and differences between CMs' and CPs' experiences and perspectives. Qualitative interviews were conducted with 22 CMs of public housing (ages 26-58, 100% female caregivers, 96% Black, 4% multiethnic) and 43 CPs (ages 28-78, 67.4% female, 81.4% Black and African American). Four themes were derived from the CM and CP interviews: (1) counters to public narratives, (2) disinvestment begets disinvestment, (3) community conditions should be better, and (4) community cohesion and connection. Findings from this study present community-centered narratives and experiences that were counter to stereotyped public narratives and could influence public perceptions and behavior to inform policy changes related to improving living conditions and supporting CMs in public and low-income housing communities., (© 2023 The Authors. Journal of Community Psychology published by Wiley Periodicals LLC.)
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- 2024
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20. Reducing intervention- and research-induced inequalities to tackle the digital divide in health promotion.
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König LM, Krukowski RA, Kuntsche E, Busse H, Gumbert L, Gemesi K, Neter E, Mohamed NF, Ross KM, John-Akinola YO, Cooper R, Allmeta A, Silva AM, Forbes CC, and Western MJ
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- Humans, Health Promotion, Delivery of Health Care, Socioeconomic Factors, Health Policy, Digital Divide
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Social inequalities are an important contributor to the global burden of disease within and between countries. Using digital technology in health promotion and healthcare is seen by some as a potential lever to reduce these inequalities; however, research suggests that digital technology risks re-enacting or evening widening disparities. Most research on this digital health divide focuses on a small number of social inequality indicators and stems from Western, educated, industrialized, rich, and democratic (WEIRD) countries. There is a need for systematic, international, and interdisciplinary contextualized research on the impact of social inequality indicators in digital health as well as the underlying mechanisms of this digital divide across the globe to reduce health disparities. In June 2023, eighteen multi-disciplinary researchers representing thirteen countries from six continents came together to discuss current issues in the field of digital health promotion and healthcare contributing to the digital divide. Ways that current practices in research contribute to the digital health divide were explored, including intervention development, testing, and implementation. Based on the dialogue, we provide suggestions for overcoming barriers and improving practices across disciplines, countries, and sectors. The research community must actively advocate for system-level changes regarding policy and research to reduce the digital divide and so improve digital health for all., (© 2023. The Author(s).)
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- 2023
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21. Partner relationship quality and IL-6:IL-10 trajectories from pregnancy to a year after-birth.
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Lozowchuk A, Carroll JE, Hobel C, Coussons-Read M, Dunkel Schetter C, and Ross KM
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- Pregnancy, Infant, Female, Humans, Tumor Necrosis Factor-alpha, Postpartum Period, Pregnancy Trimester, Third, Interleukin-6, Interleukin-10
- Abstract
Background: Inflammatory activity during pregnancy and the postpartum period shifts systematically due to pregnancy progression, delivery, and postpartum recovery. Factors that deregulate inflammatory activity increase the risk for adverse pregnancy outcomes and slower postpartum recovery. The IL-6:IL-10 or TNF-α:IL-10 ratio is potentially one way to capture peripheral inflammatory regulation; higher values indicate that anti-inflammatory IL-10 is less effective at regulating pro-inflammatory TNF-α or IL-6, skewing towards maladaptive pro-inflammatory profiles. Associations between partner relationship quality and IL-6:IL-10 or TNF-α:IL-10 trajectories during pregnancy and the postpartum period have not been assessed. The purpose of this study was to test whether partner relationship quality (support, conflict) is associated with attenuated IL-6, IL-10, TNF-α, TNF-α:IL-10 or IL-6:IL-10 trajectories from the third trimester to the postpartum period., Methods: A sample of 162 women from the Healthy Babies Before Birth study reported on partner relationship quality (support and conflict) using the Social Support Effectiveness Questionnaire during the third trimester. Plasma samples were collected in the third trimester and at 1-, 6- and 12-months postpartum, and assayed for TNF-α, IL-6 and IL-10. Associations between both indicators of relationship quality (support and conflict) and TNF-α, IL-6, IL-10, IL-6:IL-10, TNF-α:IL-10 trajectories were tested using multi-level modelling, controlling for sociodemographic, pregnancy and health variables., Results: Partner support interacted with time to predict IL-6:IL-10 trajectories, linear: b = -0.176, SE = 0.067, p =.010, quadratic: b = 0.012, SE = 0.005, p =.009. Lower partner support was associated with steeper increases in IL-6:IL-10 from the third trimester to 6 months postpartum, followed by steeper decreases in IL-6:IL-10 from 6 months postpartum to a year after birth. Partner conflict was not associated with IL-6:IL-10 levels at study entry, b = 0.233, SE = 0.219, p =.290, or over time, p's > 0.782. Neither indicator of partner relationship quality was associated with TNF-α, IL-6, IL-10, or TNF-α:IL-10 trajectories, p's > 0.205., Conclusion: Lower partner support may be associated with reduced moderation of IL-6 by IL-10 between pregnancy and a year postpartum, with possible consequences for maternal health and well-being., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2023. Published by Elsevier Inc.)
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- 2023
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22. Mothers' and Children's Mental Distress and Family Strain during the COVID-19 Pandemic: A Prospective Cohort Study.
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Lee JB, Ross KM, Ntanda H, Fiest KM, Letourneau N, and The APrON Study Team
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Background: The COVID-19 pandemic had a widespread impact on families with dependent children. To better understand the impact of the pandemic on families' health and relationships, we examined the association between mothers' and children's mental distress and family strain., Methods: Three waves of the COVID-19 Impact Survey were analyzed, collected from a subsample of mother-child pairs ( n = 157) from the Alberta Pregnancy Outcomes and Nutrition (APrON) longitudinal cohort in Alberta, Canada. Latent class analyses were performed to determine patterns and group memberships in mothers' and children's mental distress and family strain. Multivariable logistic regression models were conducted to test associations between mothers' and children's mental distress and family strain trajectory classes., Results: Mothers with medium/high levels of mental distress were at increased odds of experiencing high family strain compared to those with low levels of distress (medium aOR = 3.90 [95% CI: 1.08-14.03]; high aOR = 4.57 [95% CI: 1.03-20.25]). The association between children's mental distress and family strain was not significant (aOR = 1.75 [95% CI: 0.56-5.20])., Conclusion: Mothers' mental distress, but not children's, was associated with family strain during the pandemic. More distressed individuals experienced greater family strain over time, suggesting that this association may become a chronic problem.
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- 2023
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23. Announcing the Alliance against Violence and Adversity (AVA): a new Canadian Institutes of Health Research Training Platform.
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Letourneau NL, Nixon K, Ross KM, Stewart-Tufescu A, and Yao YY
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- Humans, Canada, Violence prevention & control
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- 2023
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24. Increases in maternal depressive symptoms during pregnancy and infant cortisol reactivity: Mediation by placental corticotropin-releasing hormone.
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Rinne GR, Somers JA, Ramos IF, Ross KM, Coussons-Read M, and Dunkel Schetter C
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- Pregnancy, Female, Infant, Humans, Placenta metabolism, Hydrocortisone, Depression, Hypothalamo-Hypophyseal System metabolism, Pituitary-Adrenal System metabolism, Stress, Psychological, Corticotropin-Releasing Hormone metabolism, Prenatal Exposure Delayed Effects
- Abstract
Background: Maternal depressive symptoms in pregnancy may affect offspring health through prenatal programming of the hypothalamic-pituitary-adrenal (HPA) axis. The biological mechanisms that explain the associations between maternal prenatal depressive symptoms and offspring HPA axis regulation are not yet clear. This pre-registered investigation examines whether patterns of maternal depressive symptoms in pregnancy are associated with infant cortisol reactivity and whether this association is mediated by changes in placental corticotropin-releasing hormone (pCRH)., Method: A sample of 174 pregnant women completed assessments in early, mid, and late pregnancy that included standardized measures of depressive symptoms and blood samples for pCRH. Infant cortisol reactivity was assessed at 1 and 6 months of age., Results: Greater increases in maternal depressive symptoms in pregnancy were associated with higher cortisol infant cortisol reactivity at 1 and 6 months. Greater increases in maternal depressive symptoms in pregnancy were associated with greater increases in pCRH from early to late pregnancy which in turn were associated with higher infant cortisol reactivity., Conclusions: Increases in maternal depressive symptoms and pCRH over pregnancy may contribute to higher infant cortisol reactivity. These findings help to elucidate the prenatal biopsychosocial processes contributing to offspring HPA axis regulation early in development.
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- 2023
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25. Characterising individual variability in associations between self-monitoring and weight change during and after a behavioral weight management program.
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Arroyo KM and Ross KM
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Objective: Greater self-monitoring of caloric intake and weight has been associated with success at both initial weight loss and long-term maintenance. Given the existence of wide variability in weight loss outcomes and the key role of self-monitoring within behavioral weight management interventions, this study examined individual variability in associations between self-monitoring and weight change and whether demographic factors could predict who may best benefit from self-monitoring., Methods: Participants were 72 adults with overweight or obesity (mean ± SD, age = 50.6 ± 10.3; body mass index = 31.2 ± 4.5 kg/m
2 ; 71%Female; 83%White) enrolled in a 12-week weight loss program followed by a 40-week observational maintenance period. Participants were encouraged to self-monitor caloric intake and weight daily and to report these data via a study website each week. Multilevel mixed models were used to estimate week-to-week associations between self-monitoring and weight change, by individual and linear regressions and ANOVAs were used to explore demographic differences in these associations., Results: Most participants (68%) demonstrated statistically significant negative associations between self-monitoring of either caloric intake or weight and weight change. Of these, 76% benefited from self-monitoring both caloric intake and weight, 18% from self-monitoring caloric intake only, and 6% from self-weighing only. The magnitude of associations between self-monitoring and weight change did not significantly differ by age, gender, race/ethnicity, education, or income, all p s > 0.05., Conclusions: Differences in the effectiveness of self-monitoring for weight loss were not observed by demographic characteristics. Future research should examine if other factors may predict the effectiveness of self-monitoring., Competing Interests: The authors declare no conflicts of interest., (© 2023 The Authors. Obesity Science & Practice published by World Obesity and The Obesity Society and John Wiley & Sons Ltd.)- Published
- 2023
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26. Identifying Protective Factors That Mitigate Relations Between Experiences with Violence and Gun Carriage for Black Young Adults Living in Economically Marginalized Urban Communities.
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Walsh CS, Ross KM, Bishop DL, and Sullivan TN
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- Humans, Young Adult, Protective Factors, Violence, Aggression, Crime Victims, Gun Violence, Firearms
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Gun violence disproportionately impacts Black young adults living in economically marginalized urban communities and results in increased risk for injury and death. This study identifies protective factors across the ecological model for Black young adults experiencing peer-based physical and relational aggression and victimization that can mitigate the likelihood of gun carriage. The sample included 141 Black young adults living in economically marginalized communities who had experienced violence. Regression and moderation analyses indicated (1) peer-based physical and relational aggression and victimization negatively associated with gun carriage, and (2) personal assets, positive outlook, student status, and neighborhood attachment interacted with peer-based violent experiences and had protective associations with gun carriage. Findings from this study indicate a need for tailored prevention, policy efforts in order to support Black young adults and decrease gun carriage.
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- 2023
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27. Hunger, temptation, and dietary adherence during weight management.
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Ugwoaba UA, Carpenter CA, Arroyo KM, Scarlett CA, and Ross KM
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- Adult, Humans, Middle Aged, Diet, Motivation, Weight Loss, Hunger, Obesity therapy
- Abstract
Preliminary evidence suggests that hunger and temptation may predict nonadherence to dietary intake goals; however, no studies have investigated the potential interaction between hunger and temptation in relation to dietary nonadherence nor have any investigated whether these associations may be different after the end of active behavioral intervention. Thus, the current study examined the week-to-week associations between hunger, temptation, and dietary adherence in 74 adults with overweight or obesity (mean ± SD age = 50.7 ± 10.4, BMI = 31.2 ± 4.5 kg/m
2 ) enrolled in a 12-week, Internet-based weight loss program followed by a 40-week post-intervention observational maintenance period. Each week during the study, participants completed a questionnaire on which they rated their hunger, temptation, and dietary adherence on 7-point scales. Multilevel models demonstrated that higher levels of hunger and temptation were associated with lower ratings of dietary adherence during the same week, ps < 0.0001, such that 1-point higher ratings of hunger or temptation were associated with 0.2- and 0.5-point lower ratings of dietary adherence, respectively. Further, there was an interaction between hunger and temptation such that the association between temptation and dietary nonadherence was stronger when ratings of hunger were lower, p = .028. There were no differences in associations between the initial weight loss period and the maintenance period. Results suggest that hunger and temptation may serve as potential treatment targets for interventions aimed at improving adherence to dietary intake goals. Future studies should investigate whether interventions targeting hunger and temptation can improve dietary adherence and weight loss outcomes., Competing Interests: Declaration of competing interest All authors declare that they have no conflicts of interest., (Copyright © 2023 Elsevier Ltd. All rights reserved.)- Published
- 2023
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28. Pregnancy-specific anxiety and gestational length: The mediating role of diurnal cortisol indices.
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Ross KM, Mander H, Rinne G, Okun M, Hobel C, Coussons-Read M, and Dunkel Schetter C
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- Humans, Pregnancy, Infant, Newborn, Female, Hypothalamo-Hypophyseal System physiology, Circadian Rhythm physiology, Pituitary-Adrenal System physiology, Saliva, Anxiety, Parturition, Hydrocortisone, Premature Birth
- Abstract
Background: Preterm birth or shorter gestation is a common adverse pregnancy outcome. Pregnancy-specific anxiety is robustly associated with risk for shorter gestation. Hypothalamic-pituitary-adrenal (HPA) dysregulation, indicated by diurnal cortisol index variability [slope, area-under-the-curve (AUC) or cortisol awakening response (CAR)], could mediate associations between pregnancy-specific anxiety and shorter gestation. The purpose of this study was to explore whether diurnal cortisol index variability mediates associations between pregnancy-specific anxiety and gestational length., Methods: A sample of 149 women from the Healthy Babies Before Birth study reported pregnancy-specific anxiety in early pregnancy. Saliva samples were taken at three times during pregnancy, for two days each, at wake, 30 min post wake, noon, and evening. Diurnal cortisol indices were calculated using standard approaches. Pregnancy cortisol index variability was calculated across pregnancy timepoints. Gestational length was derived from medical charts. Covariates were sociodemographics, parity and obstetric risk. Mediation models were tested using SPSS PROCESS., Results: There was a significant indirect effect of pregnancy-specific anxiety on gestational length via CAR variability, b(SE)= -0.102(0.057), .95CI [- 0.227,- 0.008]. Higher pregnancy-specific anxiety was associated with lower CAR variability, b(SE)= -0.019(0.008), p = .022, and lower CAR variability was associated with shorter gestation, b(SE)= 5.29(2.64), p = .047. Neither AUC or slope variability mediated associations between pregnancy-specific anxiety and gestational length., Conclusion: Lower CAR variability during pregnancy mediated the association between higher pregnancy-specific anxiety and shorter gestational length. Pregnancy-specific anxiety could dysregulate HPA axis activity, as indicated by lower CAR variability, demonstrating the importance of the HPA axis system in regulating pregnancy outcomes., Competing Interests: Declaration of interest The authors have no financial or personal conflicts of interest to disclose., (Copyright © 2023 Elsevier Ltd. All rights reserved.)
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- 2023
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29. Health psychology and behavioral medicine researchers in Canada: An environmental scan.
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Ross KM, Hoggan R, Campbell TS, Gordon J, Gosselin Boucher V, Kim E, Lavoie K, Linden W, Rash JA, Rouleau CR, Stewart SH, and Presseau J
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- Humans, Canada, Faculty, Efficiency, Pain, Behavioral Medicine
- Abstract
The purpose of this study is to characterize contemporary Canadian health psychology through an environmental scan by identifying faculty, research productivity and strengths, and collaborator interconnectivity. Profiles at Canadian universities were reviewed for faculty with psychology doctorates and health psychology research programs. Publications were obtained through Google Scholar and PubMed (Jan/18-Mar/21). A total of 284 faculty were identified. Cancer, pain, and sleep were key research topics. The collaborator network analysis revealed that most were linked through a common network, with clusters organized around geography, topic, and trainee relationships. Canada is a unique and productive contributor to health psychology.
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- 2023
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30. Associations of household factors, hot water temperature, and chlorine residual with Legionella occurrence in single-family homes in New Jersey.
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Gleason JA, Conner LE, and Ross KM
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- Humans, Water analysis, Chlorine analysis, Temperature, New Jersey, Water Supply, Water Microbiology, Hot Temperature, Legionella, Legionella pneumophila, Legionnaires' Disease epidemiology
- Abstract
Only 4 % of reported Legionnaires' disease (LD) cases are outbreak-associated and the remaining 96 % are sporadic, for which no known source of Legionella is identified. Although outbreaks of LD are linked to cooling towers, decorative fountains, spas and hot tubs, and other sources, the drivers of sporadic LD are less known. Residential premise plumbing is likely an important source of aerosol exposure and there are unique features of premise plumbing which could lead to proliferation of Legionella. A sampling study of Legionella in single-family homes was undertaken in NJ from 2020 to 2021 which included a household characteristic survey and collection of hot water temperature and chlorine residual during sampling. A total of 94 homeowners residing in owner-occupied, single-family units with individual hot water systems were recruited to participate through two mechanisms (1) Legionnaire's disease case-patients and (2) non-case volunteers from each NJ county. Among the 94 single-family homes sampled, 15 % had least one sample positive for Legionella by culture and 57 % had at least one sample with detection of Legionella DNA markers by PCR. Chlorine residual, hot water temperature, and season were independently associated with increased detection of Legionella in home water samples. There was limited or inconsistent evidence of the role of household characteristic factors in Legionella detection. This study identified season, insufficient chlorine residual and hot water temperature as risk factors for Legionella detection in single-family homes. Findings from this work can promote additional partnership between public health and water utilities in improving chlorine residuals in residential communities and educating homeowners on best practices for home water management., Competing Interests: Declaration of competing interest The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: Jessie Gleason reports financial support was provided by Centers for Disease Control and Prevention., (Copyright © 2023 Elsevier B.V. All rights reserved.)
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- 2023
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31. Ecological promotive and protective factors deterring gun carriage for young adults living in communities with high rates of community violence.
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Ross KM, Walsh CS, O'Connor KE, and Sullivan TN
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- Humans, Young Adult, Adolescent, Adult, Protective Factors, Violence prevention & control, Gun Violence, Crime Victims, Firearms
- Abstract
This study identified promotive and protective factors that lessened the likelihood of handgun carriage in a sample of 141 predominantly Black (97%) young adults (ages 18-22) living in high burden communities experiencing elevated rates of violence. Participants completed surveys assessing overall risk and protective factors for violence across ecological contexts (e.g., individual/peer, family, school, and community). A series of regression and moderation analyses were conducted to ascertain direct (promotive) and indirect (protective) relations between factors across the ecological model and likelihood of gun carriage. Results indicated that (1) consistent with previous studies, both witnessing violence and violence victimization were significant risk factors for handgun carriage, (2) ethnic identity was a significant promotive factor related to a lower likelihood of handgun carriage, and (3) lack of family conflict, student status, and community assets were significant protective factors where higher levels of these factors attenuated the relation between exposure to community violence and likelihood of gun carriage. This is one of the first strengths-based studies examining factors that may mitigate the likelihood of gun carriage for young adults in high risk contexts. Our findings suggest that gun violence prevention efforts for high burden communities should support young adults by strengthening factors across the ecological model (e.g., individual, family, school, and community)., (© 2023 The Authors. Journal of Community Psychology published by Wiley Periodicals LLC.)
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- 2023
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32. Individual- and Peer-Level Risk and Protective Factors for Gun Carriage Among Adolescents Living in Low-Income Urban Communities.
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O'Connor KE, Sullivan TN, and Ross KM
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- Humans, Adolescent, Protective Factors, Violence, Aggression, Risk Factors, Poverty, Firearms
- Abstract
Carrying a handgun is an established risk factor for firearm violence, with detrimental and too often irreversible consequences for adolescents including injury and mortality. Although researchers identified a number of risk factors for adolescent handgun carriage, little is known regarding the role of strengths or developmental assets in buffering against risk. The goal of this study was to identify both risk and protective factors for handgun carriage among a predominantly African American (88%) community-based sample of adolescents ( M
age = 14.3) who resided in urban communities with high rates of poverty and exposure to violence. Consistent with prior work, we found that adolescents with access to a handgun or with friends who had carried a handgun had higher odds of carrying a handgun themselves in the past 3 months. Handgun access, friends' handgun carriage, and beliefs supporting reactive aggression were identified as risk factors for handgun carriage. Although personal and social assets and positive outlook moderated these relations, the direction was contrary to our hypotheses. We believe that these findings are in part due to structural inequities and social norms impacting adolescents in urban communities characterized by concentrated poverty and high rates of violence. Our findings highlight the value of moving beyond a deficit-oriented framework to gain a more nuanced understanding of the dynamics among both positive and negative factors that alter risk for handgun carriage among African American youth living in low-income urban areas.- Published
- 2023
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33. Importance of self-weighing to avoid post-cessation weight gain: A secondary analysis of the fit and quit randomized trial.
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Oswald M, Ross KM, Sun N, Yin W, Garcia SJ, Bursac Z, and Krukowski RA
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Background: Smoking cessation is associated with weight gain, and the risk of weight gain is a common deterrent to quitting smoking. Thus, the identification of strategies for reducing post-smoking cessation weight gain is critical., Objective: Conduct secondary analysis of data from the Fit & Quit trial to determine if greater frequency of self-weighing is associated with less weight gain in the context of smoking cessation., Methods: Participants ( N = 305) were randomized to one of three 2-month weight interventions (i.e., Stability, Loss, Bibliotherapy), followed by a smoking cessation intervention. Stability and Loss conditions received different types of self-weighing feedback. All participants received e-scales at baseline, to capture daily self-weighing data over 12 months. General linear models were applied to test the main objective., Results: Frequency of self-weighing was (mean ± SD) 2.67 ± 1.84 days/week. The Stability condition had significantly higher self-weighing frequency (3.18 ± 1.72 days/week) compared to the Loss (2.51 ± 1.99 days/week) and the Bibliotherapy conditions (2.22 ± 1.63 days/week). Adjusting for baseline weight and treatment condition, self-weighing 3-4 days/week was associated with weight stability (-0.77 kg, 95% CI: -2.2946, 0.7474, p = 0.3175), and self-weighing 5 or more days/week was associated with 2.26 kg weight loss (95% CI: -3.9249, -0.5953, p = 0.0080)., Conclusions: Self-weighing may serve as a useful tool for weight gain prevention after smoking cessation. Feedback received about self-weighing behaviors and weight trajectory (similar to the feedback Stability participants received) might enhance adherence., Competing Interests: The authors have no relevant financial disclosures., (© 2023 The Authors. Obesity Science & Practice published by World Obesity and The Obesity Society and John Wiley & Sons Ltd.)
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- 2023
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34. Maternal early life stress is associated with pro-inflammatory processes during pregnancy.
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Méndez Leal AS, Silvers JA, Carroll JE, Cole SW, Ross KM, Ramey SL, Shalowitz MU, and Dunkel Schetter C
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- Humans, Pregnancy, Female, C-Reactive Protein analysis, NF-kappa B metabolism, Gene Expression Regulation, Stress, Psychological metabolism, Inflammation metabolism, Mothers psychology
- Abstract
Early life stress (ELS) is common in the United States and worldwide, and contributes to the development of psychopathology in individuals with these experiences and their offspring. A growing body of research suggests that early life stress may contribute to adverse health partly through modulation of immune (and particularly inflammatory) responses. Therefore, increased maternal prenatal inflammation has been proposed as a mechanistic pathway by which the observed cross-generational effects of parental early life stress on child neuropsychiatric outcomes may be exerted. We examined associations between early life stress and molecular markers of inflammation (specifically pro-inflammatory gene expression and receptor-mediated transcription factor activity) and a commonly studied circulating marker of inflammation (C-Reactive Protein) in a diverse group of women in or near their third trimester of pregnancy, covarying for age, race/ethnicity, BMI, concurrent infection, concurrent perceived stress, and per capita household income. Mothers who experienced higher levels of early life stress had significantly increased pro-inflammatory (NF-κB) and decreased anti-viral (IRF) transcription factor activity. Transcripts that were up or down regulated in mothers with high ELS were preferentially derived from both CD16+ and CD16- monocytes. Early life stress was not associated with elevated CRP. Taken together, these findings provide preliminary evidence for an association between ELS and a pro-inflammatory transcriptional phenotype during pregnancy that may serve as a mechanistic pathway for cross-generational transmission of the effects of early life stress on mental and physical health., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2022 Elsevier Inc. All rights reserved.)
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- 2023
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35. Authors' Response.
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Cardel MI, Newsome FA, Pearl RL, Ross KM, Dillard JR, Hayes JF, Wilfley D, Keel PK, Dhurandhar EJ, and Balantekin KN
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- 2023
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36. Impact of the COVID-19 Pandemic on Canadian Social Connections: A Thematic Analysis.
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Lowe C, Rafiq M, MacKay LJ, Letourneau N, Ng CF, Keown-Gerrard J, Gilbert T, and Ross KM
- Abstract
Background: On March 11, 2020, the World Health Organization declared COVID-19 a worldwide pandemic. Responses to the pandemic response disrupted Canadian social connections in complex ways; because social connections are determinants of health and well-being, their disruption could adversely affect health and well-being. Moreover, understanding how pandemics and public health responses affect social connections could inform pandemic recovery strategy and public health approaches designed for future pandemics. The purpose of this study is to understand experiences of pandemic impact on social connections over the pandemic., Methods: A sample of 343 Canadian adults was recruited through Athabasca University and social media. Participants were predominantly White (81%) and female (88%). After the pandemic onset, participants responded to open-ended questions about the impact of the pandemic on and any changes to social connections at three time points (baseline, and three- and 6 months from study entry). Responses were categorized into epochs by date (April-June 2020 [Spring]; July-August 2020 [Summer]; September 2020-January 2021 [Fall/Winter]). Qualitative thematic analysis was used to code themes for each epoch., Results: Negative impact of the pandemic (37-45%), loss of social connections (32-36%), and alternative means of connection (26-32%) were prominent themes across the epochs. Restrictions to face-to-face connections were largest in spring (9%) and lowest in the Summer (4%). Conversely, participants increasingly reported limited contact or communication into the Fall and Winter (6-12%) as pandemic restrictions in Canada were reinstated., Conclusions: The COVID-19 pandemic threatens social connections, with negative impacts that fluctuated with COVID-19 case rates and subsequent pandemic restrictions. These findings could be used to identify targets for social supports during the pandemic recovery, and to adjust public health strategies for future pandemics that minimize impact on social connections., Competing Interests: The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article., (© The Author(s) 2022.)
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- 2023
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37. Maternal anxiety, depression and stress affects offspring gut microbiome diversity and bifidobacterial abundances.
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Galley JD, Mashburn-Warren L, Blalock LC, Lauber CL, Carroll JE, Ross KM, Hobel C, Coussons-Read M, Dunkel Schetter C, and Gur TL
- Subjects
- Humans, Female, Mothers
- Abstract
Uncovering mechanisms underlying fetal programming during pregnancy is of critical importance. Atypical neurodevelopment during the pre- and immediate postnatal period has been associated with long-term adverse health outcomes, including mood disorders and aberrant cognitive ability in offspring. Maternal factors that have been implicated in anomalous offspring development include maternal inflammation and tress, anxiety, and depression. One potential mechanism through which these factors perturb normal offspring postnatal development is through microbiome disruption. The mother is a primary source of early postnatal microbiome seeding for the offspring, and the transference of a healthy microbiome is key in normal neurodevelopment. Since psychological stress, mood disorders, and inflammation have all been implicated in altering maternal microbiome community structure, passing on aberrant microbial communities to the offspring that may then affect developmental outcomes. Therefore, we examined how maternal stress, anxiety and depression assessed with standardized instruments, and maternal inflammatory cytokine levels in the pre- and postnatal period are associated with the offspring microbiome within the first 13 months of life, utilizing full length 16S sequencing on infant stool samples, that allowed for species-level resolution. Results revealed that infants of mothers who reported higher anxiety and perceived stress had reduced alpha diversity. Additionally, the relative taxonomic quantitative abundances of Bifidobacterium dentium and other species that have been associated with either modulation of the gut-brain axis, or other beneficial health outcomes, were reduced in the offspring of mothers with higher anxiety, perceived stress, and depression. We also found associations between bifidobacteria and prenatal maternal pro-inflammatory cytokines IL-6, IL-8, and IL-10. In summary, specific microbial taxa involved in maintaining proper brain and immune function are lower in offspring born to mothers with anxiety, depression, or stress, providing strong evidence for a mechanism by which maternal factors may affect offspring health through microbiota dysregulation., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2022 Elsevier Inc. All rights reserved.)
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- 2023
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38. Behaviors and psychological states associated with transitions from regaining to losing weight.
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Hayes JF, Wing RR, Unick JL, and Ross KM
- Subjects
- Humans, Weight Gain, Behavior Therapy, Exercise, Obesity psychology, Weight Loss
- Abstract
Objective: Little is known about week-to-week recovery from regains following a behavioral weight loss intervention (BWLI). This study examined changes in behaviors, cognitions, and moods associated with transitioning from weight regain to weight loss during the nine-month weight loss maintenance period after a three-month Internet-based BWLI., Method: Participants ( n = 68) self-weighed daily via "smart" scales and answered 40 weekly questionnaires about their weight-related behaviors and psychological states. Mixed models were used to (a) determine whether weight gain in a given week predicted changes in weight, behaviors (e.g., self-monitoring), and psychological states (e.g., mood, temptation) the following week and to (b) compare back-to-back weeks when individuals recovered from weight gain (gained in the first week and lost in the second) versus those in which they gained both weeks., Results: Weight gain in a given week predicted greater weight gain and greater report of behaviors and psychological states associated with weight gain the following week. Back-to-back weeks when individuals switched from gaining to losing were few (5%) compared with weeks when individuals continued gaining (60%). Switching from gaining to losing was associated with greater physical activity during the initial weight gain week and greater self-reported behaviors/cognitions consistent with weight loss (e.g., greater calorie self-monitoring, greater importance of "staying on track") during the following week., Conclusions: Engagement in more weight loss consistent behaviors and more favorable ratings of key psychological variables were associated with the rare shifts from gaining to losing. Future research should investigate interventions to help individuals quickly recover from weight regain. (PsycInfo Database Record (c) 2022 APA, all rights reserved).
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- 2022
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39. Access to Food and Physical Activity Environment Resources in Rural Communities: Impact of Using Driving Time Versus Physical Distance Indicators.
- Author
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Dixon BN, Hong YR, Perri MG, Allen A, Aufmuth J, and Ross KM
- Abstract
Competing Interests: The authors have no disclosures or conflicts of interest.
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- 2022
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40. Study protocol for Attachment & Child Health (ATTACH TM ) program: promoting vulnerable Children's health at scale.
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Anis L, Letourneau N, Ross KM, Hart M, Graham I, Lalonde S, Varro S, Baldwin A, Soulsby A, Majnemer A, Donnelly C, Piotrowski C, Collier C, Lindeman C, Goldowitz D, Isaac D, Thomson D, Serré D, Citro E, Zimmermann G, Pliszka H, Mann J, Baumann J, Piekarski J, Dalton JA, Johnson-Green J, Wood K, Bruce M, Santana M, Mayer M, Gould M, Kobor M, Flowers M, Haywood M, Koerner M, Parker N, Muhajarine N, Fairie P, Chrishti R, Perry R, Merrill S, Pociuk S, StephanieTaylor, Cole S, Murphy T, Marchment T, Xavier V, Shajani Z, and West Z
- Subjects
- Child Rearing, Child, Preschool, Humans, Infant, Infant, Newborn, Parent-Child Relations, Parents psychology, Child Health, Parenting psychology
- Abstract
Background: Children's exposure to toxic stress (e.g., parental depression, violence, poverty) predicts developmental and physical health problems resulting in health care system burden. Supporting parents to develop parenting skills can buffer the effects of toxic stress, leading to healthier outcomes for those children. Parenting interventions that focus on promoting parental reflective function (RF), i.e., parents' capacity for insight into their child's and their own thoughts, feelings, and mental states, may understand help reduce societal health inequities stemming from childhood stress exposures. The Attachment and Child Health (ATTACH
TM ) program has been implemented and tested in seven rapid-cycling pilot studies (n = 64) and found to significantly improve parents' RF in the domains of attachment, parenting quality, immune function, and children's cognitive and motor development. The purpose of the study is to conduct an effectiveness-implementation hybrid (EIH) Type II study of ATTACHTM to assess its impacts in naturalistic, real-world settings delivered by community agencies rather than researchers under more controlled conditions., Methods: The study is comprised of a quantitative pre/post-test quasi-experimental evaluation of the ATTACHTM program, and a qualitative examination of implementation feasibility using thematic analysis via Normalization Process Theory (NPT). We will work with 100 families and their children (birth to 36-months-old). Study outcomes include: the Parent Child Interaction Teaching Scale to assess parent-child interaction; the Parental Reflective Function and Reflective Function Questionnaires to assess RF; and the Ages and Stages Questionnaire - 3rd edition to examine child development, all administered pre-, post-, and 3-month-delayed post-assessment. Blood samples will be collected pre- and post- assessment to assess immune biomarkers. Further, we will conduct one-on-one interviews with study participants, health and social service providers, and administrators (total n = 60) from each collaborating agency, using NPT to explore perceptions and experiences of intervention uptake, the fidelity assessment tool and e-learning training as well as the benefits, barriers, and challenges to ATTACHTM implementation., Discussion: The proposed study will assess effectiveness and implementation to help understand the delivery of ATTACHTM in community agencies., Trial Registration: Name of registry: https://clinicaltrials.gov/., Registration Number: NCT04853888 . Date of registration: April 22, 2021., (© 2022. The Author(s).)- Published
- 2022
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41. Differential impact of telehealth extended-care programs for weight-loss maintenance in African American versus white adults.
- Author
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O'Neal LJ, Perri MG, Befort C, Janicke DM, Shankar MN, Bauman V, Daniels MJ, Dhara K, and Ross KM
- Subjects
- Adult, Aged, Humans, Middle Aged, Obesity therapy, Weight Gain, Weight Loss, Black or African American, Telemedicine
- Abstract
Extended-care interventions have been demonstrated to improve maintenance of weight loss after the end of initial obesity treatment; however, it is unclear whether these programs are similarly effective for African American versus White participants. The current study examined differences in effectiveness of individual versus group telephone-based extended-care on weight regain, compared to educational control, in 410 African American (n = 82) and White (n = 328) adults with obesity (mean ± SD age = 55.6 ± 10.3 years, BMI = 36.4 ± 3.7 kg/m
2 ). After controlling for initial weight loss, multivariate linear models demonstrated a significant interaction between treatment condition and race, p = .048. Randomization to the individual telephone condition produced the least amount of weight regain in White participants, while the group condition produced the least amount of weight regain in African American participants. Future research should investigate the role of social support in regain for African American versus White participants and examine whether tailoring delivery format by race may improve long-term outcomes., (© 2022. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.)- Published
- 2022
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42. Awareness, Acceptability, and Perceived Effectiveness of Text-Based Therapy Among Graduate Students: Cross-sectional Study.
- Author
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Blair SA, Brockmann AN, Arroyo KM, Carpenter CA, and Ross KM
- Subjects
- Adult, Cross-Sectional Studies, Female, Humans, Mental Health, United States, Universities, Students psychology, Text Messaging
- Abstract
Background: Research has suggested that there is a mental health crisis occurring among graduate students in the United States. Moreover, many students go without effective treatment owing to the limited availability of mental and behavioral health resources on college campuses. Text-based therapy may represent a viable method for increasing access to mental health support for graduate students, but little is known regarding its acceptability in this population., Objective: The purpose of this study was to assess how graduate students perceive text-based therapy and their likelihood of seeking out this form of therapy., Methods: In total, 265 graduate students completed a cross-sectional web-based survey that included multiple-choice and open-ended questions assessing their perceptions of text-based therapy and the likelihood of seeking out this form of therapy. Chi-square tests, ANOVAs, and nonparametric Wilcoxon signed-rank tests were used to examine differences in multiple-choice questions. The constant comparative method was used for qualitative analyses of the open-ended question responses., Results: Participants (n=265) were predominately non-Hispanic White (166/265, 62.6%) and female (167/265, 63%) with a mean age of 28.3 (SD 5.1) years. Over half of the participants (139/265, 52.5%) were not aware that text-based therapy existed; however, 65.3% (173/265) reported that they would consider using text-based services, if available. In comparison to face-to-face therapy, participants reported being less likely to seek out text-based therapy and perceived it as less effective (P<.001). Qualitative results indicated that participants were concerned about the ability to effectively communicate and build rapport through text-based therapy and thought that this modality may be more effective for some mental and behavioral health concerns than others. Moreover, participants noted that text-based therapy would be best implemented as a way to supplement, rather than replace, face-to-face services., Conclusions: Altogether, the results of this study suggest that text-based therapy holds the potential to increase access to and use of mental and behavioral health services; however, graduate students remain concerned about its effectiveness and the optimal methods of implementation. Future research should investigate how therapeutic processes (eg, effective communication and rapport-building) can be facilitated in digital environments and how text-based therapy could be best implemented to supplement and extend, rather than replace, face-to-face services., (©Samari A Blair, Andrea N Brockmann, Kelsey M Arroyo, Chelsea A Carpenter, Kathryn M Ross. Originally published in JMIR mHealth and uHealth (https://mhealth.jmir.org), 07.07.2022.)
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- 2022
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43. Pregnancy anxiety, placental corticotropin-releasing hormone and length of gestation.
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Ramos IF, Ross KM, Rinne GR, Somers JA, Mancuso RA, Hobel CJ, Coussons-Read M, and Dunkel Schetter C
- Subjects
- Anxiety, Anxiety Disorders, Female, Humans, Pregnancy, Pregnancy Trimester, Second, Pregnancy Trimester, Third, Corticotropin-Releasing Hormone, Placenta
- Abstract
Objective: High pregnancy anxiety is a consistent predictor of earlier labor and delivery. Placental corticotropin-releasing hormone (pCRH) predicts earlier delivery consistently and it has been identified as a biological mediator of the association between pregnancy anxiety and gestational length. However, studies have not examined whether changes in pregnancy anxiety are associated with earlier birth as mediated by changes in pCRH during pregnancy. Accordingly, this study tests whether linear changes in pregnancy anxiety are associated with length of gestation indirectly through nonlinear increases in pCRH over pregnancy., Methods: A sample of pregnant women (n=233) completed prenatal assessments in early pregnancy, second trimester, and third trimester that included a 4-item assessment of pregnancy anxiety and collection of blood samples assayed for pCRH using radioimmunoassay. Length of gestation was abstracted from medical records after birth., Results: Increases in pregnancy anxiety from early pregnancy to third trimester predicted shorted length of gestation, as did nonlinear increases in pCRH over pregnancy. However, there was no evidence of an indirect effect of changes in pregnancy anxiety on length of gestation via changes in pCRH., Conclusions: These results indicate that linear changes in pregnancy anxiety and nonlinear changes in pCRH during pregnancy are independent risk factors for shortened gestational length. This study adds to a small but growing body of work on biopsychological processes in pregnancy and length of gestation. Modeling changes in psychological and biological processes during pregnancy could provide more insight into understanding risk for adverse pregnancy outcomes., (Copyright © 2022 The Authors. Published by Elsevier B.V. All rights reserved.)
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- 2022
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44. Patient-Centered Care for Obesity: How Health Care Providers Can Treat Obesity While Actively Addressing Weight Stigma and Eating Disorder Risk.
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Cardel MI, Newsome FA, Pearl RL, Ross KM, Dillard JR, Miller DR, Hayes JF, Wilfley D, Keel PK, Dhurandhar EJ, and Balantekin KN
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- Health Personnel, Humans, Obesity therapy, Patient-Centered Care, Social Stigma, Feeding and Eating Disorders therapy, Weight Prejudice
- Published
- 2022
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45. Assessment of Physical Activity and Healthy Eating Behaviors Among US Adults Receiving Bariatric Surgery.
- Author
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Hong YR, Yadav S, Suk R, Lee AM, Newsome FA, Johnson-Mann CN, Cardel MI, and Ross KM
- Subjects
- Adolescent, Adult, Cross-Sectional Studies, Exercise, Feeding Behavior, Female, Humans, Male, Middle Aged, Nutrition Surveys, Bariatric Surgery, Diet, Healthy
- Abstract
Importance: Bariatric surgery effectively treats severe obesity and metabolic diseases. However, individual outcomes vary depending on sustainable lifestyle change. Little is known about lifestyle patterns after bariatric surgery among the US population., Objective: To compare the level of physical activity and eating behavior among postbariatric surgery patients, individuals eligible for surgery, and those with normal weight., Design, Setting, and Participants: A cross-sectional study using nationally representative survey data from National Health and Nutrition Examination Survey 2015-2018. Respondents included for analysis were age 18 years or older, and categorized by individuals with normal weight, individuals who received bariatric surgery, and individuals clinically eligible for bariatric surgery. Analyses were performed from February to October 2021., Main Outcomes and Measures: Self-reported measures were used to assess physical activity (moderate-to-vigorous physical activity [MVPA], sedentary activity, and whether PA guidelines were met) and eating behaviors (total energy intake and Healthy Eating Index [HEI]-2015 diet quality scores)., Results: Of 4659 study participants (mean [SD] age, 46.1 [18.6] years; 2638 [weighted percentage, 58.8%] women; 1114 [weighted percentage, 12.7%] Black, 1570 [weighted percentage, 68.6%] White), 132 (3.7%) reported that they had undergone any bariatric surgery. Median (IQR) time since surgery was 7 (3-10) years. After propensity-score weighting, individuals who underwent bariatric surgery reported more time spent in MVPA than those eligible for surgery (147.9 min/wk vs 97.4 min/wk). Among respondents with normal weight, 45.6% (95% CI, 40.8% to 52.4%) reported meeting PA guidelines, almost 2 times higher than those in the bariatric surgery (23.1%; 95% CI, 13.8% to 32.4%) or in the surgery-eligible group (20.3%; 95% CI, 15.6% to 25.1%). Propensity-score weighted overall HEI was higher for individuals with normal weight (54.4; 95% CI, 53.0 to 55.9) than those who underwent bariatric surgery (50.0; 95% CI, 47.2 to 52.9) or were eligible for the surgery (48.0; 95% CI, 46.0 to 50.0). Across all HEI components, mean scores were similar between the bariatric surgery and surgery-eligible groups. Total energy intake was the lowest among those who underwent bariatric surgery (1746 kcal/d; 95% CI, 1554 to 1937 kcal/d), followed by those with normal weight (1943 kcal/d; 95% CI, 1873 to 2013 kcal/d) and those eligible for bariatric surgery (2040 kcal/d; 1953 to 2128 kcal/d)., Conclusions and Relevance: In this cross-sectional study, individuals who underwent bariatric surgery had beneficial lifestyle patterns compared with those eligible for surgery; however, these improvements seemed suboptimal based on the current guidelines. Efforts are needed to incorporate benefits of physical activity and a healthy, balanced diet in postbariatric care.
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- 2022
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46. Using self-monitoring technology for nutritional counseling and weight management.
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Carpenter CA, Ugwoaba UA, Cardel MI, and Ross KM
- Abstract
Self-monitoring of weight, dietary intake, and physical activity is a key strategy for weight management in adults with obesity. Despite research suggesting consistent associations between more frequent self-monitoring and greater success with weight regulation, adherence is often suboptimal and tends to decrease over time. New technologies such as smartphone applications, e-scales, and wearable devices can help eliminate some of the barriers individuals experience with traditional self-monitoring tools, and research has demonstrated that these tools may improve self-monitoring adherence. To improve the integration of these tools in clinical practice, the current narrative review introduces the various types of self-monitoring technologies, presents current evidence regarding their use for nutrition support and weight management, and provides guidance for optimal implementation. The review ends with a discussion of barriers to the implementation of these technologies and the role that they should optimally play in nutritional counseling and weight management. Although newer self-monitoring technologies may help improve adherence to self-monitoring, these tools should not be viewed as an intervention in and of themselves and are most efficacious when implemented with ongoing clinical support., (© The Author(s) 2022.)
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- 2022
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47. Parents of minor children lose less weight during a behavioral weight loss intervention: Findings from the Rural LEAP trial.
- Author
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Befort CA, Ross KM, Janicke DM, and Perri MG
- Abstract
Objective: The transition to parenthood is associated with worsening health behaviors, yet the impact of parental status on successful weight loss has rarely been examined. The purpose of this study was to examine the effect of parental status of minor children on weight loss and behavioral adherence in a rural community-based weight loss intervention., Methods: Five hundred and twenty-eight adults (age 21-75 years, body mass index [BMI] 30-45 kg/m
2 ) were enrolled in a group-based weight loss intervention consisting of 16 weekly sessions delivered in face-to-face group sessions at Cooperative Extension Service (CES) offices. Participants who were parents with at least one minor child (≤18 years old) in the home were compared to participants with no minor children in the home. Measures included percent weight loss, session attendance, adherence to self-monitoring, and achieving calorie and physical activity goals., Results: Compared to participants without minor children, parents with minor children lost significantly less weight (7.5% vs. 6.2%, respectively; p = 0.01), and were less likely to lose ≥5% of baseline weight (59.2% vs. 70.2%, respectively; p = 0.02). In addition, parents with minor children attended significantly fewer sessions, had lower adherence to self-monitoring, and met calorie and step goals less often (all p s < 0.001). The association between parental status and percent weight loss was not significantly moderated by gender of the parent., Conclusions: Parents of minor children had greater difficulty adhering to intervention goals and lost less weight than participants without minor children. Future research should investigate whether tailoring intervention to meet the unique needs of parents can enhance outcomes, especially given the large segment of the population represented by this group., Competing Interests: The authors have no conflicts of interest to disclose. Drs. Befort, Ross, Janicke, and Perri report grants from the National Institutes of Health during the conduct of the study., (© 2022 The Authors. Obesity Science & Practice published by World Obesity and The Obesity Society and John Wiley & Sons Ltd.)- Published
- 2022
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48. Impact of transition from face-to-face to telehealth on behavioral obesity treatment during the COVID-19 pandemic.
- Author
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Ross KM, Carpenter CA, Arroyo KM, Shankar MN, Yi F, Qiu P, Anthony L, Ruiz J, and Perri MG
- Subjects
- Adult, Humans, Middle Aged, Obesity epidemiology, Obesity therapy, Pandemics, Videoconferencing, COVID-19 therapy, Telemedicine methods
- Abstract
Objective: This study evaluated whether the transition of a face-to-face behavioral intervention to videoconferencing-based telehealth delivery during the COVID-19 pandemic resulted in significantly smaller weight losses than those typically observed in gold-standard, face-to-face programs., Methods: Participants were 160 adults with obesity (mean [SD] age = 49.2 [11.9] years, BMI = 36.1 [4.2] kg/m
2 ) enrolled in two cohorts of a 16-week comprehensive weight-management program. Cohort 1 began in person and transitioned to telehealth (Zoom) delivery during week 11 of the intervention because of COVID-19; Cohort 2 was conducted completely remotely. A noninferiority approach (using a clinically relevant noninferiority margin of 2.5%) was used to assess whether the weight losses observed were inferior to the 8% losses from baseline typically produced by gold-standard, face-to-face lifestyle interventions., Results: From baseline to postintervention, participants lost an average of 7.4 [4.9] kg, representing a reduction of 7.2% [4.6%]. This magnitude of weight change was significantly greater than 5.5% (t[159] = 4.7, p < 0.001), and, thus, was within the proposed noninferiority margin., Conclusions: These findings demonstrate that the results of behavioral weight-management interventions are robust, whether delivered in person or remotely, and that individuals can achieve clinically meaningful benefits from behavioral treatment even during a global pandemic. Pragmatic "lessons learned," including modified trial recruitment techniques, are discussed., (© 2022 The Obesity Society.)- Published
- 2022
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49. Development and Evaluation of Statewide Prospective Spatiotemporal Legionellosis Cluster Surveillance, New Jersey, USA.
- Author
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Gleason JA and Ross KM
- Subjects
- Humans, Incidence, New Jersey epidemiology, Prospective Studies, United States epidemiology, Legionellosis epidemiology, Legionnaires' Disease epidemiology
- Abstract
Incidence of Legionnaires' disease is increasing, particularly in the Mid-Atlantic states in the United States; since 2015, New Jersey has documented ≈250-350 legionellosis cases per year. We used SaTScan software to develop a semiautomated surveillance tool for prospectively detecting legionellosis clusters in New Jersey. We varied temporal window size and baseline period to evaluate optimal parameter selections. The surveillance system detected 3 community clusters of Legionnaires' disease that were subsequently investigated. Other, smaller clusters were detected, but standard epidemiologic data did not identify common sources or new cases. The semiautomated processing is straightforward and replicable in other jurisdictions, likely by persons with even basic programming skills.
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- 2022
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50. Consistency With and Disengagement From Self-monitoring of Weight, Dietary Intake, and Physical Activity in a Technology-Based Weight Loss Program: Exploratory Study.
- Author
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Carpenter CA, Eastman A, and Ross KM
- Abstract
Background: Digital self-monitoring tools offer promise to improve adherence to self-monitoring of weight and weight-related behaviors; however, less is known regarding the patterns of participant consistency and disengagement with these tools., Objective: This study characterizes the consistency of use and time to disengagement with digital self-monitoring tools during a 6-month weight loss intervention and investigates whether the provision of phone-based intervention improved self-monitoring adherence., Methods: Participants were 54 adults with overweight or obesity (mean age 49.6 years, SD 12.4 years; mean BMI 32.6 kg/m
2 , SD 3.2 kg/m2 ) enrolled in a pilot trial assessing the impact of self-monitoring technology (Fitbit Zip, Aria scale, and smartphone app), with and without additional interventionist contact, on weight loss. All participants received weight loss education and were asked to self-monitor weight, dietary intake, and physical activity daily throughout the 6-month program. Consistency was defined as the number of weeks that participants adhered to self-monitoring recommendations (7 out of 7 days). Disengagement was defined as the first of 2 consecutive weeks that the 7-day self-monitoring adherence goal was not met. Wilcoxon signed-rank tests were used to examine differences in consistency and disengagement by behavioral targets. t tests (2-tailed) and Cox proportional hazards models were used to examine whether providing additional interventionist contact would lead to significant improvements in consistency and time to disengagement from self-monitoring tools, respectively. Linear regressions were used to examine associations between consistency, time to disengagement, and weight loss., Results: Participants consistently self-monitored physical activity for more weeks (mean 17.4 weeks, SD 8.5 weeks) than weight (mean 11.1 weeks, SD 8.5 weeks) or dietary intake (mean 10.8 weeks, SD 8.7 weeks; P<.05). Similarly, participants had a significantly longer time to disengagement from self-monitoring of physical activity (median 19.5 weeks) than weight (4 weeks) or dietary intake (10 weeks; P<.001). Participants randomized to receive additional interventionist contact had significantly greater consistency and longer time to disengagement for self-monitoring of dietary intake compared with participants who did not (P=.006); however, there were no statistically significant differences between groups for self-monitoring of weight or physical activity (P=.24 and P=.25, respectively). Greater consistency and longer time to disengagement were associated with greater weight loss for self-monitoring of weight and dietary intake (P<.001 and P=.004, respectively) but not for physical activity (P=.57)., Conclusions: Results demonstrated that self-monitoring adherence differed by behavioral target, with greater consistency and longer time to disengagement associated with lower-burden tools (ie, self-monitoring of physical activity). Consistent with supportive accountability theory, additional interventionist contact improved consistency and lengthened time to disengagement from self-monitoring of dietary intake. Given the observed associations between consistency, disengagement, and weight loss outcomes, it is important to identify additional methods of increasing consistency and engagement with digital self-monitoring tools., (©Chelsea A Carpenter, Abraham Eastman, Kathryn M Ross. Originally published in JMIR Formative Research (https://formative.jmir.org), 18.02.2022.)- Published
- 2022
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