212 results on '"Ozge Sensoy"'
Search Results
202. Additional file 1: of Strengthening mental health and research training in Sub-Saharan Africa (SMART Africa): Uganda study protocol
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Ssewamala, Fred, Ozge Sensoy Bahar, McKay, Mary, Hoagwood, Kimberly, Keng-Yen Huang, and Pringle, Beverly
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3. Good health - Abstract
Standard Protocol Items: Recommendations for Interventional Trials (SPIRIT) 2013 Checklist. (DOC 141 kb)
203. Additional file 1: of Strengthening mental health and research training in Sub-Saharan Africa (SMART Africa): Uganda study protocol
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Ssewamala, Fred, Ozge Sensoy Bahar, McKay, Mary, Hoagwood, Kimberly, Keng-Yen Huang, and Pringle, Beverly
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3. Good health - Abstract
Standard Protocol Items: Recommendations for Interventional Trials (SPIRIT) 2013 Checklist. (DOC 141 kb)
204. Suubi4Her: a study protocol to examine the impact and cost associated with a combination intervention to prevent HIV risk behavior and improve mental health functioning among adolescent girls in Uganda.
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Ssewamala, Fred M., Bermudez, Laura Gauer, Neilands, Torsten B., Mellins, Claude A., McKay, Mary M., Garfinkel, Irv, Bahar, Ozge Sensoy, Nakigozi, Gertrude, Mukasa, Miriam, Stark, Lindsay, Damulira, Christopher, Nattabi, Jennifer, and Kivumbi, Apollo
- Abstract
Background: Asset-based economic empowerment interventions, which take an integrated approach to building human, social, and economic capital, have shown promise in their ability to reduce HIV risk for young people, including adolescent girls, in sub-Saharan Africa. Similarly, community and family strengthening interventions have proven beneficial in addressing mental health and behavioral challenges of adolescents transitioning to adulthood. Yet, few programs aimed at addressing sexual risk have applied combination interventions to address economic stability and mental health within the traditional framework of health education and HIV counseling/testing. This paper describes a study protocol for a 5-year, NIMH-funded, cluster randomized-controlled trial to evaluate a combination intervention aimed at reducing HIV risk among adolescent girls in Uganda. The intervention, titled Suubi4Her, combines savings-led economic empowerment through youth development accounts (YDA) with an innovative family strengthening component delivered via Multiple Family Groups (MFG).Methods: Suubi4Her will be evaluated via a three-arm cluster randomized-controlled trial design (YDA only, YDA + MFG, Usual Care) in 42 secondary schools in the Central region of Uganda, targeting a total of 1260 girls (ages 15-17 at enrollment). Assessments will occur at baseline, 12, 24, and 36 months. This study addresses two primary outcomes: 1) change in HIV risk behavior and 2) change in mental health functioning. Secondary exploratory outcomes include HIV and STI incidence, pregnancy, educational attainment, financial savings behavior, gender attitudes, and self-esteem. For potential scale-up, cost effectiveness analysis will be employed to compare the relative costs and outcomes associated with each study arm.Conclusions: Suubi4Her will be one of the first prospective studies to examine the impact and cost of a combination intervention integrating economic and social components to reduce known HIV risk factors and improve mental health functioning among adolescent girls, while concurrently exploring mental health as a mediator in HIV risk reduction. The findings will illuminate the pathways that connect economic needs, mental health, family support, and HIV risk. If successful, the results will promote holistic HIV prevention strategies to reduce risk among adolescent girls in Uganda and potentially the broader sub-Saharan Africa region.Trial Registration: Clinical Trials NCT03307226 (Registered: 10/11/17). [ABSTRACT FROM AUTHOR]- Published
- 2018
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205. Structure and Dynamics of Helix-8 in GPCR-PDZ-Domain Interactions
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Harel Weinstein and Ozge Sensoy
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Crystallography ,Membrane ,Palmitoylation ,Docking (molecular) ,Cytoplasm ,PDZ domain ,Biophysics ,Metadynamics ,Biology ,Protein secondary structure ,G protein-coupled receptor - Abstract
The interaction of GPCRs with PDZ-domain-containing proteins is essential for signaling. Helix-8 (H8) is a structurally conserved amphipathic helical motif in class-A GPCRs, adjacent to the C-terminal sequence that is responsible for PDZ-domain-recognition. To understand the role of H8 in molecular level mechanisms of GPCR/PDZ interactions we investigated the interaction of the PDZ-containing GIPC1 protein with the dopamine D2 receptor (D2R) in homology models of the systems based on the X-ray structures of very closely related analogs: the D3R, and the PDZ domain of GIPC2, respectively. The 5 C-terminal residues of D2 receptor's relatively short C-terminal stretch next to H8 was docked into the GIPC1-PDZ model using a simulated-annealing-based PDZ docking scheme. On the resulting GIPC1-D2R complex we carried out several regular MD simulations in sphingolipid/cholesterol membranes to determine the stability of the complex. The results show that the free carboxyl group of C-terminus of the D2R preferred to sample the space around the main-chain atoms of the conserved GFGL motif located on the carboxylate-binding loop of the GIPC1-PDZ. We investigated the relation between distance of H8 from the membrane and its secondary structure by metadynamics MD simulations and found that as the H8 moved away from the membrane, it became energetically easier for the helix to unravel into an extended conformation that is the canonical conformation for interaction with PDZ-domain. Because the C-termini of GPCRs are palmitoylated, we also investigated effect of palmitoylation on the structure and dynamics of H8 in the context of its role in repositioning H8 for the interaction with the PDZ domain. We find that in the palmitoylated C-terminus the H8 backbone penetrates deeper into the membrane, whereas de-palmitoylation renders it more accessible to the cytoplasm where it can interact with the PDZ domain-containing proteins.
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206. Crossroads of Choice: A qualitative study of the factors influencing decisions to transition from sex work among women engaged in sex work in Southern Uganda.
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Nattabi J, Bahar OS, Nabayinda J, Nabunya P, Kiyingi J, Kizito S, Namuwonge F, Nsubuga E, Witte SS, and Ssewamala FM
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Background: Women Engaged in commercial Sex Work (WESW) are exposed to behavioral, biological, and structural factors that exacerbate their risk to HIV infection and other sexually transmitted infections. While commercial sex work may appear voluntary, WESW are more likely to be constrained to selling sex due to limited viable alternatives. To effectively support this vulnerable group of women, it is critical to understand factors that facilitate and impede their decisions to transition from sex work into other careers or jobs. The current study explored women's decision to transition from sex work into other careers or jobs., Methods: Semi-structured in-depth interviews were conducted with 53 WESW aged 20-47 enrolled within a larger study-Kyaterekera study, a randomized clinical trial (N = 542) implemented in 19 HIV hotspots in the Southern region of Uganda. Participants were selected based on their intervention attendance (high/medium/low attendance). The interviews were conducted in Luganda the widely spoken language in the study area to explore the factors influencing women's decisions to from transition from sex work to other jobs or careers. The main interview question used for this study was, "What are some of the factors that may influence whether you would transition from sex work to other jobs or vocations?" . All interviews were audio-recorded, transcribed verbatim and translated into English. Thematic analysis in Dedoose software was used to analyze the data., Results: Participants reported three primary types of decisions, including considering leaving sex work, deciding to leave, and continuing sex work. The emerging themes from the interviews were categorized into individual and structural level facilitators and barriers to leave sex work. Individual level factors included issues of stigma, discrimination, and aging as factors that facilitated women's decision to leave sex work. At the structural level, factors which include interpersonal stigma and discrimination (from immediate family and community members), physical and sexual violence and income related factors were identified as facilitators and barriers to leaving sex work., Conclusion: Our study highlights the complex decision-making processes among WESW as they navigate transitions to alternative jobs or careers. By advocating for multifaceted interventions and policies tailored to the diverse challenges faced by WESW, our study contributes to a more informed approach to supporting their transition out of sex work., Competing Interests: Additional Declarations: No competing interests reported. Competing interests The authors declare that they have no competing interests.
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- 2024
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207. Family-level correlates of disruptive behavior challenges among children in Southwestern Uganda.
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Byansi W, Namatovu P, Bahar OS, Kiyingi J, Nabayinda J, Mwebembezi A, Kivumbi A, Damulira C, Nattabi J, Namuwonge F, McKay MM, Hoagwood K, and Ssewamala FM
- Abstract
Introduction: This exploratory study sought to examine the extent to which family-level factors are associated with disruptive behavioral disorder (DBD) symptoms, including oppositional defiant disorder (ODD) and conduct disorder (CD) among school children in Uganda, a low-resource country in SSA. The examination of key influences within the SSA context is important to guide needed investments in mental health care and family-level support. Importantly, identifying families at higher risk can inform the development of contextualized family interventions that reinforce positive parenting practices., Method: We analyzed baseline data (N = 2110) from the NIH-funded Strengthening Mental health And Research Training in Africa (SMART Africa) scale-up study in Southwestern Uganda. Children aged 8-13 and their caregivers were recruited from 30 public primary schools. DBDs were examined using the DBD rating scale, Iowa Conners, and Impairment scales. Logistic regression analysis using cluster adjusted robust standard errors to adjust for within-school clustering was conducted to assess the association between DBD symptoms and family-level factors, including parenting practices, marital status, and family size., Results: Results indicate that poor parental supervision (OR = 1.17; CI: 1.13, 1.21; P <.001), divorced families (OR = 1.33; CI: 1.03, 1.72; P <.05), and widowed families (OR = 1.48; CI: 1.10, 2.00; P <.01) were associated with higher DBD symptoms among children. On the other hand, caregiver age (OR = 0.99; CI: 0.98, 0.99; P <.01) was associated with lower DBD symptoms among children. Moreover, caregiver employment and parental education were not statistically significant in the model., Conclusion: Findings from the study reveal an association between family-level factors and behavioral difficulties among children in Uganda suggesting that divorced and widowed families may benefit from additional support in caring for children. Moreover, caregivers may also benefit from programs that provide tools for effective parental supervision., 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.
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- 2022
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208. Predictors of Depressive Symptoms and Post Traumatic Stress Disorder Among Women Engaged in Commercial Sex Work in Southern Uganda.
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Nabunya P, Byansi W, Damulira C, Bahar OS, Jennings Mayo-Wilson L, Tozan Y, Kiyingi J, Nabayinda J, Braithwaite R, Witte SS, and Ssewamala FM
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- Child, Depression epidemiology, Female, Humans, Sex Work, Uganda epidemiology, HIV Infections epidemiology, Stress Disorders, Post-Traumatic epidemiology
- Abstract
This study examined the factors associated with depressive symptoms and post traumatic depressive disorder (PTSD) among economically vulnerable women engaged in commercial sex work (WESW) in southern Uganda. Baseline data from a longitudinal cluster randomized study involving 542 self-identified WESW (18-55 years), recruited from 19 HIV hotspots were analyzed. Hierarchical linear regression modelling was utilized to estimate individual, family-level and economic-level predictors of depressive symptoms and PTSD. Family cohesion, sex work stigma, HIV status, financial distress, household assets, number of children and number of household income earners, were associated with PTSD. Similarly, family cohesion, number of people in the household, HIV status, sex work stigma, financial distress, and household assets, were associated with depressive symptoms. Women engaged in commercial sex work are at a higher risk of HIV and poor mental health outcomes. Sex work stigma and financial distress elevate levels of depressive symptoms and PTSD, over and above an individual's HIV status. Family and economic-level factors have the potential to mitigate the risk of poor mental health outcomes. As such, integrating stigma reduction and economic strengthening components in the programming targeting WESW-a key population, may be critical to address their mental health outcomes., (Copyright © 2021. Published by Elsevier B.V.)
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- 2021
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209. Prevalence and correlates of depressive symptoms among high school adolescent girls in southern Uganda.
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Nabunya P, Damulira C, Byansi W, Muwanga J, Bahar OS, Namuwonge F, Ighofose E, Brathwaite R, Tumwesige W, and Ssewamala FM
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- Adolescent, Female, Humans, Longitudinal Studies, Prevalence, Risk Factors, Schools, Students psychology, Students statistics & numerical data, Uganda epidemiology, Depression epidemiology
- Abstract
Background: In sub-Saharan Africa (SSA), adolescent girls and young women are three times more likely than boys to have depressive disorders. Understanding adolescents' unique and common vulnerabilities and protective factors is essential for the development of appropriate interventions and programming focused on child and adolescent mental health. This paper examines the prevalence and predictors of depressive symptoms among high school adolescent girls in southern Uganda., Methods: Baseline data from a longitudinal cluster randomized study involving 1260 adolescent girls (14-17 years), recruited from 47 secondary schools were utilized. Depressive symptoms were estimated using the 21-item Beck's Depression Inventory. Hierarchical linear regression modelling was utilized to estimate key predictors of depressive symptoms among adolescent girls., Results: Of the total sample, 16.35% (n = 206) reported severe depressive symptoms and almost one in every three adolescent girls interviewed (29.68%, n = 374) reported moderate symptoms. These symptoms were more prevalent among older adolescents (16 years and above). In addition, family relationships, social support, as well as measures of psychological wellbeing (self-concept and self-esteem) were all associated with lower levels of depressive symptoms. Hopelessness was associated with higher levels of depressive symptoms among adolescent girls., Conclusion: Findings from this study indicate a high prevalence of depressive symptoms, especially among older adolescent girls. In addition, family support factors and adolescents' psychological wellbeing were associated with low levels of depressive symptoms -pointing to the need to strengthen family functioning and adolescent's psychological wellbeing to mitigate risks. Taken together, findings support increasing calls for early screening and detection of depressive symptoms to facilitate timely referral to care and treatment. Findings may also inform the development and incorporation of gender-specific mental health components in programming targeting adolescent girls, in low-resource communities in SSA., Trial Registration: This trial was prospectively registered with ClinicalTrials.gov (registration number: NCT03307226 ) on 11 October 2017.
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- 2020
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210. Social and Economic Equity and Family Cohesion as Potential Protective Factors from Depression Among Adolescents Living with HIV in Uganda.
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Cavazos-Rehg P, Xu C, Kasson E, Byansi W, Bahar OS, and Ssewamala FM
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- Adolescent, Child, Female, HIV Infections ethnology, Humans, Male, Mental Health, Poverty economics, Protective Factors, Randomized Controlled Trials as Topic, Social Stigma, Socioeconomic Factors, Uganda epidemiology, Depression prevention & control, Family Relations psychology, HIV Infections psychology, Social Determinants of Health, Social Support
- Abstract
Adolescents living with HIV in Uganda are impacted by poverty and face a number of health and social challenges including access to medication, health complications, and social stigma. These stressors have been linked to depression, which can lead to lower HIV treatment adherence. This study seeks to determine how social and economic equity, family cohesion, and social supports may be related to depression among adolescents living with HIV. We used baseline data from the Suubi + Adherence study, a 5-year longitudinal randomized controlled trial among adolescents living with HIV in southwestern Uganda (n = 675; ages 10-16 years). Hierarchical logistic regression models were conducted separately among in-school adolescents and out-of-school adolescents to assess the hypothesized associations between economic and social equity, social support, and depression. About half of the participants meet the criteria for depression. Adolescents with depression were found to have fewer economic and social supports. Our findings indicate that social and economic equity [odds ratio (OR) = 0.85, 95% confidence interval (CI) 0.74, 0.99], family cohesion (OR = 0.94, 95% CI 0.91-0.96), and social support from friends (OR = 0.95, 95% CI 0.91-0.998) are associated with depression for in-school HIV infected adolescents and could be protective factors. The results of this study suggest that social and economic equity may play a protective role against depression and other poor mental health outcomes. Potential interventions for adolescents living with HIV should consider these social and familial factors as they may be protective of depression in this population.
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- 2020
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211. Access and utilization of financial services among poor HIV-impacted children and families in Uganda.
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Sun S, Nabunya P, Byansi W, Bahar OS, Damulira C, Neilands TB, Guo S, Namuwonge F, and Ssewamala FM
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With high prevalence of both poverty and HIV, Sub-Saharan Africa (SSA) has one of the highest numbers of unbanked individuals and families. Although the use of savings products to promote financial inclusion among poor individuals and families has increasingly become more important to policy makers in SSA, limited research exists about the mechanisms and relative importance of institutional and individual-level factors associated with access and utilization of financial services. Using survey data and administrative bank records from a randomized controlled trial in southwestern Uganda, we find that given an opportunity, poor HIV-impacted families and individuals can engage with financial institutions and accumulate savings. Additionally, individual-level factors (e.g., household wealth, child poverty, child work, and attitudes towards savings) were significantly associated with three of the eight outcomes (i.e. saved any money, average monthly total savings, and total number of deposits). Furthermore, institutional-level factors (e.g., access and proximity to the bank, matching incentive rate, and financial education) were associated with all the eight outcomes included in the analysis. Our findings indicate that poor HIV-impacted families can engage with financial institutions and save for their children, if opportunities and institutional arrangements are in place. Findings have implications for financial inclusion policy and programming that target vulnerable youth and families to engage with financial institutions and accumulate savings., Competing Interests: Declaration of Competing Interest The authors declare that they have no conflict of interest.
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- 2020
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212. Examining the relationship of social support and family cohesion on ART adherence among HIV-positive adolescents in southern Uganda: baseline findings.
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Damulira C, Mukasa MN, Byansi W, Nabunya P, Kivumbi A, Namatovu P, Namuwonge F, Dvalishvili D, Bahar OS, and Ssewamala FM
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Several studies in sub-Saharan Africa have linked social support to better ART (antiretroviral therapy) adherence among adults living with HIV. Less is known about the role of social support and family cohesion in ART adherence among children below 18 years. This paper focuses on HIV-infected adolescents as they transition through the vulnerable developmental stage of adolescence to examine the association between family cohesion and social support, and ART adherence in southern Uganda. We utilized baseline data from Suubi+Adherence study, a five-year randomized longitudinal clinical trial with the overall goal of examining the impact and cost associated with an innovative asset-based social intervention to increase adherence to HIV treatment for HIV-infected adolescents in Uganda. This study employed self-reports to measure social support, family cohesion and ART adherence to treatment from 702 participants in 39 clinics situated in southern Uganda. Regression results indicated that after adjusting for sociodemographic characteristics that family cohesion and social support from caregivers/family were associated with self-reported adherence to ART among HIV-infected adolescents. Social support from classmates, teachers, and friends were not associated with ART adherence. Study results suggest that strengthening family relationships and promoting social support within families caring for adolescents living with HIV can be crucial in addressing ART adherence challenges among adolescents in sub-Saharan Africa., Competing Interests: Disclosure statement No potential conflict of interest was reported by the authors.
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- 2019
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