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Background: Alcohol use is increasing among adults in midlife (i.e., ages 35–60), but few studies examine specific alcohol use behaviors in this age group. We examined measures of typical drinks, maximum drinks, binge drinking, and high‐intensity drinking by age, sex, and race/ethnicity among midlife adults, as well as the prospective association between age 18 binge drinking and midlife behaviors. Methods: Data from 5180 respondents participating in the national Monitoring the Future Panel study who were aged 35–60 in 2022 (followed since they were in 12th grade in 1980–2005) were used to estimate past 30‐day midlife drinking behaviors (i.e., typical drinks, maximum drinks, binge, and high‐intensity drinking) by age group, sex, and race/ethnicity. Associations between age 18 binge drinking status and midlife drinking outcomes were examined, as well as moderation by sociodemographic characteristics. Results: Across ages 35–60, the mean typical number of drinks on drinking days within the past month ranged from 1.4 to 1.8; the mean maximum drinks ranged from 2.3 to 3.2. Past‐month binge and high‐intensity drinking prevalence ranged from 19.1% to 31.2% and 3.6% to 8.1%, respectively. Estimates of drinking behaviors were generally higher among respondents aged 35–40 (vs. older age groups), males (vs. females), those identifying as White (vs. other racial/ethnic groups), and those who reported age 18 binge drinking (vs. not). Adolescent binge drinking was a stronger predictor of high‐intensity drinking among females than males and of typical and maximum drinks among older (age 60) than younger (age 35) respondents. Conclusion: Binge and high‐intensity drinking were reported by a meaningful percentage of the US midlife adults. Binge drinking in adolescence was a predictor of subsequent alcohol‐related risks. These long‐term connections were especially strong among females. Age 18 binge drinking was a stronger predictor of high‐intensity drinking at age 60 than earlier in midlife, underscoring that adolescent binge drinking is a key indicator of risk across the lifespan. [ABSTRACT FROM AUTHOR]

Background: When unaddressed, contamination in child maltreatment research, in which some proportion of children recruited for a nonmaltreated comparison group are exposed to maltreatment, downwardly biases the significance and magnitude of effect size estimates. This study extends previous contamination research by investigating how a dual‐measurement strategy of detecting and controlling contamination impacts causal effect size estimates of child behavior problems. Methods: This study included 634 children from the LONGSCAN study with 63 cases of confirmed child maltreatment after age 8 and 571 cases without confirmed child maltreatment. Confirmed child maltreatment and internalizing and externalizing behaviors were recorded every 2 years between ages 4 and 16. Contamination in the nonmaltreated comparison group was identified and controlled by either a prospective self‐report assessment at ages 12, 14, and 16 or by a one‐time retrospective self‐report assessment at age 18. Synthetic control methods were used to establish causal effects and quantify the impact of contamination when it was not controlled, when it was controlled for by prospective self‐reports, and when it was controlled for by retrospective self‐reports. Results: Rates of contamination ranged from 62% to 67%. Without controlling for contamination, causal effect size estimates for internalizing behaviors were not statistically significant. Causal effects only became statistically significant after controlling contamination identified from either prospective or retrospective reports and effect sizes increased by between 17% and 54%. Controlling contamination had a smaller impact on effect size increases for externalizing behaviors but did produce a statistically significant overall effect, relative to the model ignoring contamination, when prospective methods were used. Conclusions: The presence of contamination in a nonmaltreated comparison group can underestimate the magnitude and statistical significance of causal effect size estimates, especially when investigating internalizing behavior problems. Addressing contamination can facilitate the replication of results across studies. [ABSTRACT FROM AUTHOR]

This study evaluated the effects of a comprehensive school-based sexuality education programme in enhancing sexual health knowledge and understanding among adolescents, parents and school personnel in six secondary schools in Hong Kong. Study outcomes were evaluated through pre- and post-tests. A total of 1588 students, 40 parents and 271 school personnel participated. Baseline student knowledge scores were highest among younger students, with significant improvements observed in both years for all grades except one. Baseline student attitude scores were ≥ 85% for younger students, with no significant improvement, while older students showed significant improvements. Parents scored below 40% correct at baseline for knowledge items, while self-efficacy items were generally higher. Baseline teacher knowledge scores were higher than parents, but self-efficacy scores were comparable or lower. Baseline guidance counsellors' surveys indicated low confidence levels and awareness of community resources to support students. This study identified a clear need for sexuality education in Hong Kong and a special focus on students in schools traditionally serving a high proportion of non-Chinese speaking students. The programme has significant potential for expansion in Hong Kong schools as well as for dissemination in Mainland China. [ABSTRACT FROM AUTHOR]

Research shows that young people in foster care experience high levels of behavioral health problems that may lead to life obstacles, including legal system involvement (LSI) during the transition to adulthood. However, few longitudinal studies have examined LSI among foster youth from a behavioral health perspective during the transition to adulthood. To understand adolescent behavioral health conditions associated with adult LSI, we used longitudinal survey data of young people in foster care (n = 540) to compare the prevalence of different behavioral health disorders (age 17) between youth who later reported LSI and those who did not (ages 19–21). We also examined associations between adolescent behavioral health disorders and adult LSI, accounting for other covariates. We find that compared to those who did not, youth who reported later LSI in early adulthood had significantly higher rates of four behavioral health disorders at age 17: alcohol use, drug use, conduct disorder, and oppositional defiant disorder. Regression results showed drug use disorder at age 17 to be a particularly strong predictor of later LSI after accounting for other covariates. Many individuals experience various risk factors for LSI, including behavioral health needs. We discuss implications for practice, policy, and research in the child welfare context. [ABSTRACT FROM AUTHOR]

Although bidirectional associations between parenting and adolescents' social and emotional outcomes have been investigated, how parental warmth and harsh parenting as two different parenting dimensions, adolescents' prosocial behaviors, and emotional problems were longitudinally and bidirectionally related at between- and within-person levels remains unclear. With a three-wave longitudinal design, the present study examined these associations by employing the random-intercept cross-lagged panel model. Data from 606 Chinese adolescents (Mage = 13.80 years, SD = 0.52, at T1; 45.7% girls) were collected at six-month intervals over one year, and participants completed questionnaires assessing their perception of parenting, prosocial behaviors, and emotional problems online. The results indicated that parental warmth and harsh parenting were significantly associated with adolescents' prosocial behaviors and emotional problems at the between-person level. At the within-person level, adolescents' more prosocial behaviors at T1 predicted later within-person decreases in their emotional problems at T2, which in turn predicted subsequent increased prosocial behaviors and more parental warmth at T3. Additionally, a higher level of harsh parenting at T2 unidirectionally predicted more adolescents' emotional problems at T3. These findings highlighted the developmental cascade processes among adolescents' prosocial behaviors, emotional problems, and parenting and the importance of fostering adolescents' prosocial behaviors in reducing their emotional problems and then promoting subsequent psychosocial adjustment and parent-child bonding. [ABSTRACT FROM AUTHOR]

Although much research has shown that parental psychological control undermines adolescents' routine disclosure to parents, past research has not examined whether the effects of psychological control on disclosure are domain-specific and mediated by the quality of adolescents' interactions with mothers and fathers. The present one-year longitudinal study examined whether parental support and negative interactions with each parent mediated longitudinal associations between adolescents' ratings of psychological control and adolescents' disclosure about routine prudential, personal, and multifaceted activities, as defined by social domain theory. These issues were examined over one year in 174 mostly White (74%), U.S. middle class middle adolescents (M = 15.70 years, SD = 0.63, 83 males). Greater parental psychological control was associated over time with less disclosure to both parents about personal activities and less disclosure to fathers about multifaceted issues. Perceived declines in support fully mediated the effects of psychological control on adolescent disclosure to mothers about personal issues and partially mediated the effects on disclosure to fathers about personal and multifaceted issues. In addition, negative interactions led to decreased disclosure about prudential issues. Thus, perceived psychological control and relationship quality had domain-specific and parent-specific longitudinal effects on adolescent disclosure to parents about their routine activities. [ABSTRACT FROM AUTHOR]

Experiences of dating violence are widespread among adolescents. Therefore, increasing the understanding on the developmental antecedents is crucial. However, most existing studies involve cross-sectional designs, which poses a challenge in better understanding the developmental precursors of dating violence victimization. To address this, we examine age 13 predictors of age 17 dating violence victimization in a culturally diverse sample of 643 participants (57.3% girls). Negative binomial regression models showed some significant associations between self-reports of anxiety and depression, poly-victimization, endorsement of violence-legitimizing norms of masculinity, and having initiated sexual relationships and dating at age 13 with dating violence victimization at age 17, with variations depending on the gender of the victim and the form of dating violence measured. Findings increase longitudinal evidence in the field with the aim of informing prevention and intervention strategies that address factors associated with dating violence early in adolescence. [ABSTRACT FROM AUTHOR]

Background: There is growing global concern about poor mental health among adolescents in sub-Saharan Africa. In particular, adolescent girls face multiple challenges in managing menstruation which can impact both their health and wellbeing. In this study we address an evidence gap on the association of a broad range of menstrual-related factors with mental health problems amongst secondary school female adolescents in Uganda. Methods: We used baseline data from a cluster-randomised menstrual health intervention trial conducted in 60 secondary schools in two districts in Uganda. Baseline data were collected between March and July 2022, including socio-demographic characteristics, menstrual knowledge and attitudes, menstrual practices and self-efficacy, and mental health problems measured using the Strengths and Difficulties Questionnaire Total Difficulties score (SDQ-25). We used random-effects linear regression to estimate the adjusted mean difference (aMD) for the association between mental health problems (SDQ Total Difficulties Score) and menstrual-related factors, including the Menstrual Practice Needs Scale (MPNS) and the Self-Efficacy in Addressing Menstrual Needs scale (SAMNS)), accounting for school-level clustering and adjusting for prior confounders. Results: Among the 3841 female participants, there was strong and consistent evidence of associations between mental health problems and menstrual-related factors. Mental health problems were associated with poor knowledge about menstruation (aMD = 1.17, 95%CI 0.50, 1.84 <0.001), using disposable and reusable menstrual products compared to using just disposable products (aMD = 1.42, 95%CI 0.92, 1.92, p <0.001), and experiencing menstrual pain even when using an effective management method at last menstrual period (LMP) compared to those experiencing no pain (aMD = 1.60, 95%CI 1.19, 2.01, p <0.001). Mental health problems were also associated with greater unmet menstrual needs according to the MPNS (aMD = 4.40 95%CI 3.96, 4.84, p <0.001), and with lower menstrual self-efficacy measured by the SAMNS (aMD = 0.94 95% CI 0.51, 1.37, p <0.001). Conclusion: This study shows strong evidence that mental health problems reported by adolescent girls in Uganda are associated with poor menstrual health. The association between menstrual health and mental health provides evidence as to why menstrual health should be a public health priority. Trial registration: Trial registration: ISRCTN 45461276. Registered on 16 September 2021. [ABSTRACT FROM AUTHOR]

Background: Even though mental health problems and alcohol use remain major challenges facing adolescents, our understanding of their developmental progressions primarily stems from cohorts coming 1 of age in the early 2000's. We aimed to examine and describe normative developmental trajectories of depression, conduct problems, and alcohol use across adolescent years among more recent cohorts of Norwegian youth born in the 21st century. Methods: Multilevel mixed linear models for symptoms of depression and conduct disorder, and multilevel mixed logistic models for depressive disorder, conduct problems, any alcohol use, and risky drinking, were estimated with longitudinal data from a nationwide sample N = 3436 (55% girls) of Norwegian adolescents (mean age 14.3 [SD = 0.85] in 2017). We compared models with linear, quadratic, and cubic change with age, and models that tested moderation by sex and centrality (rural vs. urban communities). Results: Average symptoms and the rate of depressive disorder increased sharply from age 13 to age 19, but both the initial levels and the rates of change were greater for girls than for boys. Average symptoms of conduct disorder and the rate of conduct problems increased in early adolescence and were greater for boys than girls. The rates of any alcohol use and risky drinking both increased sharply from age 14, but there were no notable sex differences either in the initial levels or rates of change over time. Adolescents from more rural communities had greater rates of any drinking in mid-adolescence, but there were no other effects of centrality. Conclusions: This study provides a much-needed update concerning normative developmental trajectories of depression, conduct problems, and alcohol use among millennium cohorts. Consistent with prior studies, we observed significant increases in all outcomes across adolescence, with depression being both greater and more prevalent among girls and conduct problems being both greater and more prevalent among boys. Consistent with the emerging evidence, we observed no sex differences in alcohol use. Finally, there were no differences in the examined developmental trajectories as a function of centrality. These findings underscore the importance of early prevention and treatment of mental health and substance use problems. [ABSTRACT FROM AUTHOR]

This study examined whether maternal warmth in early childhood moderates the association between preterm birth and problems in peer relationships and low engagement in romantic relationships in adolescence. We studied 9193 individuals from the Millennium Cohort Study in the United Kingdom, 99 (1.1%) of whom were born very preterm (VPT; < 32 weeks of gestation) and 629 (6.8%) moderate-to-late preterm (MLPT; 32–36 weeks gestation). Maternal warmth was reported by the mothers when their children were 3 years old. Peer relationship problems were reported by both the participants and their mothers at 14 and 17 years. Further, participants reported their engagement in romantic relationships at 14 and 17 years. All outcome variables were z-standardized, and the moderation effect was examined via hierarchical linear regressions. Compared to full-term birth, both MLPT and VPT birth were associated with lower engagement in romantic relationships at 17 years of age (b =.04, p =.02; b =.11, p =.02, respectively), and VPT birth was associated with increased peer relationship problems at 14 (b =.29, p =.01) and 17 years of age (b =.22, p =.046). Maternal warmth in early childhood was similarly associated with lower peer relationship problems in MLPT, VPT and full-term born adolescents. However, there was no influence of maternal warmth on engagement in romantic relationships at 17 years of age. There is no major modifying effect of maternal warmth in early childhood on the association between PT birth and peer relationship problems and low engagement in romantic relationships at 14 and 17 years of ages. [ABSTRACT FROM AUTHOR]

The current study aims to advance knowledge on the causal interrelationship between childhood CU traits and lying both at a between- and a within-person perspective across a significant developmental period of mid-childhood to mid-adolescence. Cross-lagged panel models and Random-intercept cross-lagged panel models were used to investigate the prospective associations between lying and the distinct subcomponents of CU traits, including Callousness, Uncaring, and Unemotional in a sample of 719 children (T1; Mage = 10.73 years, SDage = 1.38, range = 7–15 years, 54.4% girls) across four assessment points. Results supported large vulnerability effects at the between-person level across time, indicating that CU traits predominantly influence the subsequent development of lying, with Callousness and Uncaring showing most profound effects on subsequent developmental processes of lying. At the within-person level, fluctuations in CU traits and lying were overall meaningfully related, but no causal relationship could be empirically determined. These findings provide a differentiated etiological viewpoint on the intertwinement of CU traits and lying at a young age, and underscore the importance of an early identification of children with callous and uncaring tendencies in order to prevent more persistent lying in adolescence. [ABSTRACT FROM AUTHOR]

Background: Climate anxiety is increasingly prevalent among adolescents worldwide. Are climate‐anxious adolescents prone to engage in pro‐environmental behavior? Or might the association between climate anxiety and pro‐environmental be curvilinear, such that high levels of climate anxiety become 'paralyzing'? And do these associations depend on whether adolescents believe that, with effort, the worst impacts of climate change can still be prevented? Methods: We addressed these questions in three studies (two preregistered; combined N = 2,211), conducted across two countries. We used cross‐sectional and longitudinal methods, and various measures of climate anxiety and pro‐environmental behavior. We performed Bayesian regression analyses comparing two models that tested competing hypotheses. The first model included a linear effect of climate anxiety on pro‐environmental behavior, and the second model included both a linear and a curvilinear (i.e. inverted U‐shaped) effect of climate anxiety on pro‐environmental behavior. Next, we added environmental efficacy to the best fitting model and explored its moderating effects. Results: Adolescents reported low‐to‐moderate levels of climate anxiety. Across the board, we found evidence for a small, positive, and mostly linear (rather than curvilinear) association between climate anxiety and pro‐environmental behavior. While Study 1 supported a curvilinear association (Bayes Factor (BF) = 18.87), Studies 2 and 3 mostly supported a linear model (BFs range 6.86–12.71), except for weak support (BF = 1.62) for a curvilinear association between climate anxiety symptoms and public sphere pro‐environmental behavior. Adolescents' environmental efficacy moderated this link for public sphere (e.g. activism), but not private sphere (e.g. recycling), pro‐environmental behavior. Conclusions: Climate‐anxious adolescents are prone to engage in pro‐environmental behavior. We found limited evidence for 'eco‐paralysis' (i.e. a passive state of pro‐environmental behavioral stasis) at high levels of climate anxiety. Our results are consistent with the possibility that supporting adolescents' environmental efficacy will help climate‐anxious adolescents engage in public sphere pro‐environmental behavior. [ABSTRACT FROM AUTHOR]

This analysis aimed to (1) identify longitudinal joint trajectories of participation in organized and unorganized physical activity contexts, and level of daily moderate‐to‐vigorous physical activity (MVPA) and (2) assess whether basic psychological need satisfaction during adolescence differentiates between membership in different physical activity trajectories. Participants (n = 888; 56% girls) reported their involvement in 36 different physical activities, level of MVPA, and their perceived satisfaction of competence, autonomy, and relatedness satisfaction in physical activity up to three times per year, over 8 years (from ages 10 to 17 years). Group‐based multi‐trajectory models were used to identify longitudinal joint trajectories of physical activity participation. We estimated a multinomial logistic regression model for membership in a physical activity trajectory by including individual‐level intercepts and slopes for each psychological need obtained using mixed models over the 24 cycles modelized as natural cubic splines. Five longitudinal trajectory groups emerged: Non‐participants, Dropouts, Active in unorganized physical activities, Active in organized physical activities, and Active through a variety of activities. Relative to Non‐participants, we identify a dose–response relationship in baseline competence and membership in the higher active trajectory groups. In addition, a positive change in competence in early adolescence predicted membership in all three Active trajectory groups. [ABSTRACT FROM AUTHOR]

Objectives: This retrospective cohort study aims to understand the effectiveness of the Singular Therapeutic Project (STP) implemented in a Child Psychosocial Care Center in preventing recurrence of self-harm and suicide attempt (SA), by comparing the group of patients who adhered to the STP with the group that did not adhere completely. Method: Data were collected from the medical records of adolescents with self-harm or SA during the period from 2015 to 2019. The primary outcomes analyzed were recurrence of SA, self-harm, and hospitalization; and the secondary outcomes analyzed were demographics, diagnosis, number of appointments, and negative life events. Results: A total of 228 adolescents were included. After multivariate analysis, social service consultations decreased risk in 94.6% (HR.054, 95% CI:.004–.681) of the cases, but risk was increased by 23 times if there was an episode of self-harm among family members and/or friends (HR 23.641, 95% CI: 1.394–400.8). Additionally, in terms of SA, adherence to family interventions reduced the risk by 66.2% (HR.338, 95% CI:.125–.913). Victims of prejudice, racism, homophobia, transphobia presented a 3.7-fold increased risk (HR 3.766, 95% CI: 1.058–13.401). Conclusion: The STP interventions were effective in reducing the recurrence of self-harm and SAs in adolescents. [ABSTRACT FROM AUTHOR]

Although parental psychological control has been well-documented as a significant predictor of social anxiety among adolescents, few studies examine how changes in parental psychological control and adolescent social anxiety are reciprocally related at the within-person level, especially in Chinese culture. This longitudinal study examined reciprocal relations between parental psychological control and social anxiety, and the potential mediating role of self-concept clarity, by disentangling between- and within-person effects. A total of 4731 students (44.9% girls; Mage = 10.91 years, SD = 0.72) participated in a four-wave longitudinal study with 6-month intervals. Results from random intercept cross-lagged panel modeling indicated that parental psychological control directly predicted social anxiety, and vice versa. Parental psychological control indirectly predicted social anxiety via self-concept clarity, and social anxiety also indirectly predicted parental psychological control via self-concept clarity. These findings reveal a vicious cycle of mutual influence between parental psychological control and adolescent social anxiety in Chinese youth, and highlight the crucial role of self-concept clarity in the interplay between parenting and adolescent social functioning. [ABSTRACT FROM AUTHOR]

Adolescent residential mobility can be a stressful life event, potentially aggravating internalizing or externalizing problems. However, the longitudinal effects of residential mobility are understudied and may be context-dependent. This study investigates the longitudinal associations between adolescent residential mobility and internalizing and externalizing problems. Additionally, this study examines for whom residential moves are most detrimental by including subjective moving experience, gender, and friendship quality before the move as moderators. Longitudinal data from 2,029 adolescents (51% female) from the TRacking Adolescents' Individual Lives Survey (TRAILS) were used (Mage [SD] at T1 = 11.1 [0.55], T2 = 13.6 [0.52], and T3 = 16.3 [0.70]). Results from stepwise multi-level random-effect models showed that adolescents who experienced an unpleasant move remained stable in internalizing problems, while others decreased over time. Adolescents who moved increased stronger in externalizing problems than adolescents who did not move, independent of whether they experienced the move as unpleasant. Gender and friendship quality before the move did not moderate the relation between residential mobility and internalizing or externalizing problem development. These results emphasize that residential moves in adolescence, especially when experienced as unpleasant, can have long-lasting negative effects on adolescent development. [ABSTRACT FROM AUTHOR]

Physical activity is universally acknowledged for its benefits to mental health; however, the specific intensities and timings that best benefit adolescents' mental health, crucial due to their significant influence on daily schedules, have not been thoroughly investigated. This study addresses the substantive research gap by exploring the varied effects of physical activity intensity (light versus moderate to vigorous) and timing (weekdays versus weekends and holidays) on adolescent mental health. Utilizing a large-scale longitudinal dataset (NT1 = 84,054; NT2 = 44,623) from 158 schools, this research describes the current state of adolescent physical activity and investigates the effects of physical activity on mental health outcomes, including positive (i.e., life satisfaction, positive mental health) and negative indicators (depression, anxiety), over a 6-month period. Participants were adolescents aged 9–19 years (mean age = 12.73 ± 2.43 years, 48.9% female), with the analysis adjusted for potential confounding factors. Results showed that as adolescents grow older, their engagement in moderate-to-vigorous physical activity during both weekdays and weekends/holidays tends to decrease, while light physical activity during weekdays increases. Multilevel regression analysis indicated that moderate-to-vigorous physical activity during weekends/holidays at Time 1 positively correlated with better mental health outcomes at Time 2 (six months later), featuring enhanced positive indicators and reduced negative ones. Moderate-to-vigorous physical activity on weekdays at Time 1 was positively linked to mental health at Time 2. Light physical activity during weekends/holidays at Time 1 positively predicted life satisfaction and positive mental health at Time 2. In contrast, light physical activity on weekdays at Time 1 negatively correlated with life satisfaction at Time 2. The study underscores the importance of promoting moderate-to-vigorous physical activity, particularly on weekends and holidays, to improve mental health outcomes among adolescents. [ABSTRACT FROM AUTHOR]

Leadership in peer groups is an important issue in adolescent socioemotional development, yet it has received limited attention in research. This one-year longitudinal study examined peer group leadership and the roles of social, academic, and psychological characteristics in the dynamics of group leadership. Participants included 1061 Chinese students (initial mean age =11.17 years; SD = 6.98 months; 49.4% female). Data were collected from peer assessments, teacher ratings, and self-reports. The longitudinal social network analysis (SIENA) indicated that peer group leadership was fluid with leadership status evolving over time across groups in a hierarchical manner. Adolescents displaying higher social competence and aggression and lower shyness were more likely to become group leaders. Academic performance and loneliness were not significantly associated with the dynamics of peer group leadership. The results help understand peer group leadership and contributions of social behaviors to the attainment of leadership status in peer groups in early adolescence. [ABSTRACT FROM AUTHOR]

Several cross-sectional studies indicated a positive association between school bullying and homicidal ideation during early adolescence. However, few longitudinal studies investigated this association. This study examined whether a bi-directional relationship exists within the longitudinal association between bullying victimization or bullying perpetration and homicidal ideation among early adolescents using a Random Intercept Cross-Lagged Panel Model. A total of 1611 early adolescents (39.5% girls; Mage = 12.50 years, SD = 0.50) were recruited from the Chinese Early Adolescents Cohort study. Data on bullying victimization, bullying perpetration, and homicidal ideation collected during three time points (September 2019, September 2020, and September 2021) were used. Bullying victimization showed a significant positive association with homicidal ideation at the between-person level. Bullying victimization and bullying perpetration had a bi-directional relationship with homicidal ideation at the within-person level. Additionally, this study considered the impact of biological sex-based differences and bullying types on adolescents' homicidal ideation. Based on these findings, school bullying might exhibit unique reciprocal associations with homicidal ideation. [ABSTRACT FROM AUTHOR]

Although family and school experiences play an important role in adolescents' adjustment during the transition to high school, most prior studies investigated the effects of these experiences in isolation; their joint implications for both adolescents' concurrent and long-term adjustment outcomes are less clear, and the potential role of individual characteristics within such associations remains understudied. Based on 525 10th graders (Mage = 15.48, SDage = 0.71, 43.6% boys) who participated in a longitudinal study, the present research aimed to identify distinct family and school experience profiles among first-year high school students and examine their associations with adolescents' internalizing problems and externalizing problems, both concurrently and 18 months later. Latent profile analysis revealed four distinctive profiles: thriving, low resources—moderate family risk, developmental stress—high parental conflicts, and developmental stress—high peer victimization profiles. The other three profiles (vs. the thriving profile) reported significantly higher levels of concurrent internalizing problems; while these differences diminished after 18 months. However, the enduring impacts of these profiles on internalizing problems persisted among adolescents with higher levels of environmental sensitivity. Additionally, adolescents characterized by two developmental stress profiles (vs. the thriving profile) exhibited significantly higher levels of externalizing problems both currently and longitudinally. Findings underscore the importance of identifying at-risk populations among adolescents during the transition to high school by including both family and school experiences when examining environmental influence on their adjustment, as well as the necessity to take individual environmental sensitivity into account when examining these associations. [ABSTRACT FROM AUTHOR]

Despite the well-established associations between adolescents' internalizing symptoms and career development, it still remains unclear whether adolescents' internalizing symptoms are precursors or consequences of their career adaptability/ambivalence. Subtler nuance inherent within such association also await to be revealed, because internalizing symptoms and career development have been primarily treated as broad constructs, despite the multifaceted nature of both. To narrow such gaps, this study examined the potentially dynamic associations among career adaptability, career ambivalence, and internalizing symptoms using three-wave longitudinal data. The study collected data from 3196 Chinese adolescents (52.72% girls, mean age = 15.56 years, SD = 0.58) at Wave 1, with 2820 (attrition rate = 11.76%) participating in Wave 2 and 2568 (attrition rate = 8.93%) in Wave 3. The measurement invariance suggested that there were no significant differences across both waves and genders. This study approached associations at both broader construct levels and subtler dimension levels. Results of cross-lagged path models at broader construct levels demonstrated a unidirectional association between internalizing symptoms and career adaptability. Results of models at subtler dimension levels indicated a series of transactional links over time between career adaptability dimensions/ambivalence and depressive symptoms in particular. Career adaptability dimensions and career ambivalence predicted later anxiety symptoms rather than the reverse. Group model comparisons showed no difference across waves and genders. These findings shed light on the dynamic nature of the associations during adolescence between career adaptability/ambivalence and internalizing symptoms, particularly at subtler dimensional levels, which should be considered in relevant clinical and educational practices. [ABSTRACT FROM AUTHOR]

Past research supports the detrimental effects of parental psychological control on adolescent school adjustment in both emotional and academic domains. However, how psychological control changes during adolescence, and how such developmental course is related to adolescent psychological well-being and academic functioning are unclear. The direction of effects between parenting and child behaviors is also inconclusive. This 3-year longitudinal study addressed these research gaps by using five waves of survey data on 710 Chinese adolescents of high school ages (Mean age at T1 = 15.54 years, SD = 0.45, 50% males). Using latent growth curve models and latent class growth analysis, the majority of adolescents (about 63%) reported gradual increases of parental psychological control in the first 2 years of high school but a slight decline afterwards, while the other 37% perceived low and stable levels. Results from parallel latent growth modeling suggested that trajectories of psychological control were positively related to developmental trends of internalizing problems (i.e., depression and anxiety) and maladaptive academic functioning, but negatively associated with the trajectory of adaptive academic functioning, as indexed by intercept-intercept and slope-slope associations. The random-intercept cross-lagged models further revealed that psychological control was predictive of adolescent anxiety and lower adaptive academic functioning, and bidirectionally associated with maladaptive academic-related beliefs and behaviors at the within-person level. Taken together, these findings highlight the crucial role of parental psychological control on adolescent school adjustment in the Chinese cultural context and support the reciprocal model of parent-child interactions. [ABSTRACT FROM AUTHOR]

Few studies have focused on evaluating the relationship between dating violence (DV) and suicide during the critical period of adolescence, particularly for transgender and gender-diverse (TGD) youth. The study examined the relationship between experiencing DV victimization and perpetration in the past 6 months and suicidality (ideation and attempts) among male, female, and TGD adolescents. This study used data from a longitudinal randomized trial examining the effectiveness of myPlan, a healthy relationship and safety planning app intervention for adolescents, to a control website. Data for this study was collected virtually, in which participants completed surveys through online platforms. A convenience sample was recruited through youth organizations and posting on online platforms including social media. N = 610 adolescents age 15–17 years, who resided in the U.S. experienced DV in the past 6 months, had access to a safe device, and were able to access online surveys were included in this study. The majority were female (63.8%) with (19.5%) TGD and 16.7% male. Nearly 22% of the sample identified as Hispanic/Latino and 61.0% as white. Participants completed an online survey consisting of measures of socio demographics, DV victimization and perpetration via the Conflict of Adolescent Dating Relationships Inventory (CADRI), and suicidality. The primary outcome was the association between DV victimization and perpetration on suicidality. Different forms of DV were accounted for including emotional/relational, physical, and sexual DV. Logistic regressions determined differences in the rate of DV victimization and perpetration on suicidality between gender groups (cisgender female, cisgender male, and TGD). A stratified analysis was conducted to test if the relationship between DV and suicidality differed across gender identity. Approximately one-third (32.2%) of adolescents reported suicidality in the past 6 months. TGD adolescents were more likely to report suicidality compared to males (20.6%, p <.05) and females (32.7%, p >.05). The overall odds of suicidality increased as frequency of emotional/relational DV victimization (OR = 1.37, p <.001), physical DV victimization (OR = 1.59, p <.001) and sexual DV victimization (OR = 1.42, p <.001) increased. These relationships were not significant for DV perpetration. When stratifying findings by gender groups, all forms of DV victimization significantly increased the odds of suicidality for females as well as female perpetration of physical violence. For males, all forms of DV victimization and perpetration were associated with increased odds of suicidality, although not significant due to the smaller sample size. While DV victimization is associated with increased odds of suicidality for TGD, perpetration of DV is associated with decreased odds of suicidality, although not significant due to small sample size. The findings from this study provide further insight into experiences of DV and suicidality among gender diverse youth and can guide future interventions aimed at preventing DV and suicide among adolescents. [ABSTRACT FROM AUTHOR]

Screen time and self-esteem have been shown to be important correlates of eating disorders in adolescence. However, there is an absence of longitudinal studies that distinguish between time-varying factors, accounting for parallel developmental changes and common underlying vulnerability. A total of 3,801 adolescents were administered self-report measures, annually, over the course of 5 years. The association of screen time (social media use, television watching, video gaming) on eating related symptoms was analyzed using a longitudinal Bayesian multilevel path analysis framework. Self-esteem was examined as a mediating factor in this model. This study investigated direct and indirect associations at between-person, concurrent within-person, and lagged-within-person levels, while controlling for gender. The findings revealed that all types of screen time exposure were significantly associated with eating related symptoms at between and within-person levels. A significant association at the lagged-within person level was only revealed for social media use. Self-esteem was found to be a significant mediating factor between screen time and eating related symptoms. An increase in social media use one year was associated with increased of eating related symptoms two years later through lower self-esteem. Implications for prevention are discussed. [ABSTRACT FROM AUTHOR]

Introduction. International research suggests free online postal self-sampling for sexually transmitted infection (STI) testing is an acceptable alternative to clinic-based testing. A userpays online STI testing service exists in Aotearoa New Zealand, but acceptability among priority populations is unknown. Aim. To explore Māori and Pacific young people’s perspectives on online postal self-sampling for STI testing (as prospective service users). Methods. Four wānanga (knowledge-sharing forum) were held between November 2022 and May 2023 with Māori and Pacific participants aged 15–24 years who were recruited via youth-focused community organisations. Three facilitators guided discussions about STI testing and use of an online service. Inductive thematic analysis was used to analyse data generated from audio-recorded discussions, group work notes and facilitator field notes. Results. None of the 38 participants were aware of online STI testing and all considered it cost-prohibitive. Perceptions of online testing were mixed, and discussion about concerns outweighed perceived benefits. Three themes were identified: (i) potential to support autonomy (perceived benefits and positive features of self-sample collection kits); (ii) barriers and process-related concerns; and (iii) tailoring online STI testing to young people’s needs (facilitating engagement with online testing). Discussion. For online STI testing to be an accessible alternative to clinic-based testing for priority populations, cost, low awareness and other barriers in the testing pathway need to be addressed. Clinician follow-up on positive results and free treatment would be critical to ensure the cycle of best practice care is completed. Regardless of where testing is accessed, investment is needed to support young people’s knowledge of when, why and how to access a sexual health check. [ABSTRACT FROM AUTHOR]

The prevalence of mental health problems among youth worldwide is alarming and a public health concern. This study aimed to determine the prevalence of psychological distress (PD) among youth at two time points, ages 15 and 20 years, and to identify groups that are particularly vulnerable to PD. Utilizing data from the Malaysian Health and Adolescents Longitudinal Research Team study, we analyzed a cohort of 416 participants who underwent mental health assessments in 2014 and 2019/2020. The prevalence of PD increased significantly between the ages of 15 (15.9%) and 20 (34.6%) years. Factors such as parental mental health problems, Indian and other ethnicity, lower maternal education attainment, and alcohol consumption were significantly associated with PD in youth. This study underscores the importance of increasing access to mental health care while improving surveillance and prevention programs to protect youth's psychosocial well-being. [ABSTRACT FROM AUTHOR]

This longitudinal study aimed to identify the role of psychosocial factors affecting smartphone addiction (SA) among Korean adolescents and predict the trajectory of SA based on the Korean Children and Youth Panel Survey (KCYPS) 2018 to 2020. The dependent variable was SA score as measured by the Korean Smartphone Addiction Propensity Scale (SAPS), and the independent variables were psychosocial factors (attention, grit, life satisfaction, self-esteem, aggression, depression, social withdrawal and physical symptom). Generalized estimating equation (GEE) analysis (adjusted for covariates) results indicated that attention (B = −0.346, P <.001), grit (B = −0.402, P <.001), life satisfaction (B = −0.150, P <.001), and self-esteem (B = −0.099, P <.001) were protective factors for reducing SA score. Conversely, aggression (B = 0.222, P <.001) and depression (B = 0.067, P =.005) were predicted to be risk factors for increasing SA score. A better understanding of the relationship between behavioral addiction and psychosocial development factors in adolescence will assist in the development of more effective prevention and treatment strategies. [ABSTRACT FROM AUTHOR]

It is unclear how delay discounting and substance use develop across adolescence and whether contextual factors alter their trajectories. The present study used a longitudinal design to examine whether socioeconomic status is related to developmental trajectories of delay discounting and substance use across adolescence. The sample included 167 adolescents (Mage = 14 at Time 1; 53% male) and their parents who participated annually across four years. Parents reported SES at Time 1 and adolescents completed delay discounting behavioral assessments and substance use questionnaires at Times 1 to 4. Bivariate latent growth curve modeling revealed that low SES was related to steeper increases in substance use from age 14 through 17, mediated through elevated delay discounting at age 14. The findings clarify the mediating role of delay discounting in linking family economic environment to the progression of substance use. [ABSTRACT FROM AUTHOR]

This study uses a novel measure to describe school refusal (SR) behavior among 91 U.S. adolescents ages 13 to 18 years old in the month leading up to a partial hospitalization program (PHP) admission. Youth exhibit a range of SR behaviors. Three fourths (77%) reported missing at least two full days of school and nearly one third (29%) reported being absent from school the entire month before PHP admission. Among youth who reported attending school, 36% reported leaving school early, 55% reported leaving the classroom, and 59% reported arriving late to school at least "a little" or 2 days in the month prior to PHP admission. Youth rarely shared that they spend time with friends or doing homework while absent from school. In addition, agreement between caregivers and youth on the extent to which youth are struggling with school attendance and how youth spend their time while out of school was low to moderate (r =.14–.52). Results suggest that the School Interference Questionnaire (SIQ) can complement existing SR instruments to offer descriptive information about the frequency and type of SR behavior, perceived impact, and targets of intervention by identifying potential positive and negative reinforcers. [ABSTRACT FROM AUTHOR]

Background: Among elementary-aged children (5-12yrs), summer vacation is associated with accelerated gains in Body Mass Index (BMI). A key behavioral driver of BMI gain is a lack of physical activity (PA). Previous studies indicate PA decreases during summer, compared to the school year but whether this difference is consistent among boys and girls, across age, and by income status remains unclear. This study examined differences in school and summer movement behaviors in a diverse cohort of children across three years. Methods: Children (N = 1,203, age range 5–14 years, 48% girls) wore wrist-placed accelerometers for a 14-day wear-period during school (April/May) and summer (July) in 2021 to 2023, for a total of 6 timepoints. Mixed-effects models examined changes in school vs. summer movement behaviors (moderate-to-vigorous physical activity [MVPA], sedentary) for boys and girls, separately, and by age and household income groups (low, middle, and upper based on income-to-poverty ratio). Results: Children provided a total of 35,435 valid days of accelerometry. Overall, boys (+ 9.1 min/day, 95CI 8.1 to 10.2) and girls (+ 6.2 min/day, 95CI 5.4 to 7.0) accumulated more MVPA during school compared to summer. Boys accumulated less time sedentary (-9.9 min/day, 95CI -13.0 to -6.9) during school, while there was no difference in sedentary time (-2.7 min/day, 95CI -5.7 to 0.4) for girls. Different patterns emerged across ages and income groups. Accumulation of MVPA was consistently greater during school compared to summer across ages and income groups. Generally, the difference between school and summer widened with increasing age, except for girls from middle-income households. Accumulation of sedentary time was higher during school for younger children (5-9yrs), whereas for older children (10-14yrs), sedentary time was greater during summer for the middle- and upper-income groups. For boys from low-income households and girls from middle-income households, sedentary time was consistently greater during summer compared to school across ages. Conclusions: Children are less active and more sedentary during summer compared to school, which may contribute to accelerated BMI gain. However, this differs by biological sex, age, and income. These findings highlight the complex factors influencing movement behaviors between school and summer. [ABSTRACT FROM AUTHOR]

Spinal fusion surgery is one of the most common major surgical procedures in youth. Adolescent idiopathic scoliosis (AIS) is the most frequent reason for corrective spinal fusion. AIS (∼25%–47% of cases) and spinal fusion surgeries are associated with pain, including the development of new onset chronic pain for up to 15% of youth. This research used photovoice approaches to explore the journeys of youth from before, during, and after spinal fusion surgery, to demonstrate their experiences both of and beyond pain. Twenty participants were recruited from a previous study conducted by the senior author's lab. Participants captured photos/videos in their daily life (Phase 1); collected previously taken photos/videos from before/during/after their surgery (Phase 2); and participated in individual interviews to reflexively discuss the meaning behind photos/videos (Phase 3). Before interviews, a questionnaire was administered to assess pain characteristics. Nineteen girls/women with scoliosis and one boy/man with kyphosis (12–19 years old, M age = 16 years) participated; they identified as white (80%), other (15%), and Southeast Asian (5%). The researchers used a reflexive thematic analysis approach, which generated five themes: (1) body aesthetic versus machine; (2) expectations and anticipation of surgery/outcomes; (3) desire of normalcy and freedom; (4) navigating a hoped-for positive surgery experience; and (5) the journey sculpts identity formation and sense of self. Findings support youth advocacy, underscoring the need to validate youth concerns and inform healthcare professionals of the importance of individualized care. Youth perspectives highlighted opportunities for optimizing surgery/healthcare experiences and the psychosocial impacts of scoliosis on body image and appearance. [ABSTRACT FROM AUTHOR]

Social mobility beliefs play a significant role in shaping adolescents' adaptive developmental outcomes, including well-being and academic functioning. Nevertheless, existing research may not cast light on the distinct trajectories and potential protective factors of social mobility beliefs. The present study aims to identify heterogeneity in trajectory patterns of social mobility beliefs among Chinese adolescents (Mage = 12.45, SDage = 2.60; 55.1% boys; 40.0% rural adolescents) in a four-wave (i.e., fall 2017, fall 2018, spring 2019, and fall 2019) longitudinal design, and examines the protective roles of parental academic involvement and adolescent future orientation. Three distinct trajectories of social mobility beliefs were identified: high-increasing (35.1%; a positive trajectory with the best developmental outcomes, including the lowest problem behaviors and depression symptoms, and the highest life satisfaction and academic competence), moderate-stable (49.8%), and low-decreasing (15.1%; a negative trajectory with the worst developmental outcomes, including the highest problem behaviors and depression symptoms, and the lowest life satisfaction and academic competence). Apart from the main effects of parental academic involvement and future orientation, a significant interaction effect of these two protective factors and adolescent group was detected, and only rural adolescents who reported both high levels of parental academic involvement and future orientation have a greater chance of being placed in the high-increasing trajectory than the low-decreasing trajectory. These findings highlight the significance of clarifying individual differences in the dynamic process of social mobility beliefs during adolescence, and elucidate rural-urban disparities in the influences of protective factors on social mobility beliefs trajectories, and inform individualized intervention strategies. [ABSTRACT FROM AUTHOR]

It is widely known controversies about the results of violent video game increase aggression. However, the role of competitive video games, has received less research attention, and the underlying mechanisms of their influence are unknown. This study aimed to expand the existing literature by systematically exploring the effects of competitive video game exposure on adolescent aggression and the mediating role of impulsivity. In so doing, three types of studies (collectively N = 2919, mean age varied from 13.75 to 15.44 years, with a balanced gender) combining cross-sectional, experimental, and longitudinal approaches, were conducted. The findings consistently show that competitive video game exposure increased adolescents' aggression and impulsivity. Also, impulsivity mediated the correlation and long-term effect of competitive video game exposure on aggression. However, the experimental study did not confirm the short-term mediating effect of impulsivity, which may be related to the type of aggression measured in the study. The results indicate that competitive video game exposure is an important antecedent factor for adolescent aggression, and impulsivity is the key underlying mechanism. [ABSTRACT FROM AUTHOR]

Background: We used a polygenic score for externalizing behavior (extPGS) and structural MRI to examine potential pathways from genetic liability to conduct problems via the brain across the adolescent transition. Methods: Three annual assessments of child conduct problems, attention‐deficit/hyperactivity problems, and internalizing problems were conducted across across 9–13 years of age among 4,475 children of European ancestry in the Adolescent Brain Cognitive DevelopmentSM Study (ABCD Study®). Results: The extPGS predicted conduct problems in each wave (R2 = 2.0%–2.9%). Bifactor models revealed that the extPRS predicted variance specific to conduct problems (R2 = 1.7%–2.1%), but also variance that conduct problems shared with other measured problems (R2 =.8%–1.4%). Longitudinally, extPGS predicted levels of specific conduct problems (R2 = 2.0%), but not their slope of change across age. The extPGS was associated with total gray matter volume (TGMV; R2 =.4%) and lower TGMV predicted both specific conduct problems (R2 = 1.7%–2.1%) and the variance common to all problems in each wave (R2 = 1.6%–3.1%). A modest proportion of the polygenic liability specific to conduct problems in each wave was statistically mediated by TGMV. Conclusions: Across the adolescent transition, the extPGS predicted both variance specific to conduct problems and variance shared by all measured problems. The extPGS also was associated with TGMV, which robustly predicted conduct problems. Statistical mediation analyses suggested the hypothesis that polygenic variation influences individual differences in brain development that are related to the likelihood of conduct problems during the adolescent transition, justifying new research to test this causal hypothesis. [ABSTRACT FROM AUTHOR]

Objective: Research suggests that both compulsive exercise and eating disordered behaviors increase during college. Despite strong cross‐sectional associations between compulsive exercise and eating disorders, it is unknown if compulsive exercise is a variable risk factor for eating disorders or simply a correlate. It was hypothesized that increases in compulsive exercise would significantly and prospectively predict increases in overall number of eating disorder symptoms over the study period. Method: A total of 265 first year college students who did not meet criteria for a full or subthreshold eating disorder diagnosis at Time 1 (age M = 18.15; SD = 0.42; 122 female [46%] at Time 1) completed reports of compulsive exercise and eating disorder symptoms via online questionnaires at four timepoints over the 9‐month 2021–2022 academic year (76% retention rate). Hypotheses were tested using a bivariate latent change score model. Results: Hypotheses were not supported. Change in compulsive exercise did not predict change in number of eating disorder symptoms. Change in number of eating disorder symptoms also did not predict change in compulsive exercise. Conclusions: Compulsive exercise did not emerge as a variable risk factor for the development of eating disorder symptoms among first year college students. The relationship between these behaviors should be investigated at different developmental timepoints, such as early adolescence, and potential third variables that may explain the observed co‐occurrence should be explored. Public significance: This study investigated whether increases in compulsive exercise predicted increases in number of eating disorder symptoms among first year college students. Compulsive exercise did not significantly predict number of eating disorder symptoms. Additional research is warranted to clarify the relationship between compulsive exercise and eating disorder symptoms. [ABSTRACT FROM AUTHOR]

The sexual exploitation of children and youth remains a critical issue within the child welfare system, despite the limited availability of models of care to support these vulnerable individuals. The START with the YOUTH (STAR‐Y) program adopts a preventative approach, offering personalized care and wraparound support to youth exhibiting at‐risk behaviours. This paper employs a case study methodology using both thematic and content analyses to longitudinally assess the effectiveness of this exploratory program. This evaluation encompasses a comprehensive assessment of various factors associated with the risk of sexual exploitation among program participants. Throughout the program's extended duration (originally planned for one year), predefined risk factors, including concerning Internet behaviours, were monitored and analysed. Qualitative data were gathered through interviews and observations, focusing on the experiences of both the youth and their foster parents. The results highlight the program's successful implementation, with youth enrollment (N = 3) demonstrating a reduction in sexual exploitation risk factors over time, including a decrease in behaviours such as concerning Internet usage. The importance of wraparound support and the foster parent‐youth relationship in mitigating risk and nurturing resilience became evident. This exploratory evaluation serves as the initial phase of a comprehensive assessment aimed at understanding how to effectively support youth within this population, including those at higher risk, such as those possibly involved in sex trafficking. The study's findings provide valuable insights into strategies for mitigating the risk of sexual exploitation among vulnerable youth, informing future endeavours to develop and implement similar programs within the child welfare system. [ABSTRACT FROM AUTHOR]

Fathers play a critical yet underappreciated role in adolescent development. To examine contributions of fathers' parenting to attachment in adolescence and adulthood, this longitudinal study followed 184 adolescents from ages 13–24. At age 13, adolescents reported on their fathers' parenting behavior and were observed in a father–teen conflict task; at ages 14 and 24, they completed the Adult Attachment Interview. Adolescents who lived with their father showed higher attachment security at age 14 (Cohen's d =.72), compared to those with non-residential fathers. Fathers' positive relatedness and support for teens' psychological autonomy predicted attachment security at age 14. Fathers' physical aggression predicted attachment insecurity in adolescence, whereas fathers' verbal aggression predicted insecurity in adulthood, illuminating developmental shifts. Pathways to security were moderated by father residential status, adolescent gender, and race. Findings underscore the importance of fathers' presence, autonomy support, and non-aggression in predicting adolescents' state of mind in close relationships. [ABSTRACT FROM AUTHOR]

This study adopts a cultural ecological perspective to examine how cumulative effects of external transcultural and cultural strengths are related to baseline and changes in three markers of Mexican-origin adolescents' self-growth (i.e., resilience, life meaning, and discipline). Using a three-wave longitudinal data set (5 years) of 604 adolescents, cumulative strengths (CS) was calculated, and growth curve analyses showed a similar pattern of findings for both transcultural and cultural cumulative strengths models: Adolescents with higher CS showed higher baseline resilience, life meaning, and discipline. While there were no significant associations between adolescents' CS scores and the increase in resilience, adolescents with higher CS scores showed steeper declines in life meaning and discipline (although these declines were no longer significant for cultural CS when transcultural and cultural CS were simultaneously tested in the same model). The findings emphasize a cultural ecological understanding of Mexican-origin youths' positive development from early to later adolescence. They also provide support for a CS model and have implications for positive psychology theories. Public Significance Statement: This study advances knowledge regarding the cumulative effects of external transcultural and cultural strengths on Mexican-origin adolescents' self-growth. Higher cumulative strengths are associated with increased baseline resilience, life meaning, and discipline. Our findings suggest that Mexican-origin youths can capitalize on cultural ecological factors to facilitate positive development in adolescence. [ABSTRACT FROM AUTHOR]

Both parasympathetic nervous system regulation and receipt of social support from close relationships contribute to prosocial development, although few studies have examined their combined influences in adolescence and particularly within racially and ethnically minoritized populations. In this longitudinal study of 229 U.S. Mexican-origin adolescents (48% female-identifying), youths reported on receipt of social support from family and friends from 10 to 16 years, had their baseline respiratory sinus arrhythmia (RSA) measured at 17 years, reported their prosocial behavior and completed the Mind in the Eyes test to assess cognitive empathy at 17 and 19 years, and reported their prosocial civic behavior (i.e., community activity) at 19 years. Family social support predicted prosocial behavior at 17 years, and friend social support predicted prosocial civic behavior at 19 years. Compared to youths with lower or higher baseline RSA, youths with moderate RSA reported more prosocial civic behavior, had greater cognitive empathy, and tended to report more general prosocial behavior at 19 years. The quadratic association between baseline RSA and cognitive empathy was stronger for youths with greater family social support. These findings are the first to extend the evidence that moderate baseline parasympathetic nervous system activity supports prosocial development into late adolescence and with the U.S. Mexican-origin community, and these findings address calls for more integrative biopsychosocial studies of prosociality. Public Significance Statement: This study shows that physiological regulation and social support from family and friends support prosocial development for U.S. Mexican-origin youths. [ABSTRACT FROM AUTHOR]

Peer victimization (PV) is a common and serious problem in school contexts, which hinders adolescents' emotional development and social adaptation. The present study aimed to test the longitudinal relationship between PV and the increase of depressive symptoms (DSs) among Chinese mid-late adolescents using a two-wave longitudinal design and examine the buffering effects of self-compassion (SC) and parental autonomy support (PAS) on this relationship. A relatively large sample of Chinese high school students (N = 722, 52.1% boys; age at Time 2 = 16.23 years old, SD = 0.79) were surveyed annually at two time points. The results showed that PV at Time 1 positively predicted DSs at Time 2 after controlling for the DSs at Time 1. In addition, SC and PAS moderated the longitudinal relationship between PV and the development of DSs, while such moderating effects only existed in girls but not in boys. Specifically, the positive relationship between PV and DSs was non-significant among girls with higher levels of SC or PAS. Our findings highlighted that SC and PAS might be important protective factors buffering against DSs for victimized girls. [ABSTRACT FROM AUTHOR]

Although the influences of extraversion and neuroticism on the relationship between childhood adversity and substance misuse have been considered in adults, they are not yet clear and have not been examined among adolescent samples. This study sought to investigate the relationship between childhood adversity and adolescent substance misuse, alongside the influences of extraversion and neuroticism, using data from a longitudinal birth cohort study. Statistical analyses were performed on a longitudinal dataset provided by the Christchurch Health and Development Study (CHDS). After controlling for confounds, childhood adversity was a significant predictor of substance use disorder symptoms in adolescence. Moderation analyses showed that experiences of childhood adversity were most strongly associated with adolescent substance use disorder symptoms at higher levels of extraversion and at higher levels of neuroticism. Among adolescents who have experienced childhood adversity, extraversion and neuroticism may be risk factors for substance use disorder. By encouraging professionals to target adolescent substance misuse intervention and prevention approaches towards those who have experienced childhood adversity and are high in extraversion and/or neuroticism, these findings may help to diminish the prevalence of adolescent substance misuse and improve the health of adolescents. [ABSTRACT FROM AUTHOR]

Background: Mental health and health-related quality of life (HRQoL) in children and adolescents deteriorated during the COVID-19 pandemic. The aim of this population-based longitudinal study was to explore whether distinct mental health trajectories in youths can be identified over the course of the pandemic. Methods: Mental health problems (MHP), psychosomatic symptoms and HRQoL were assessed at five time points between May 2020 and October 2022 in 744 children and adolescents aged 7 to 20 years using established instruments. We used generalized mixture modeling to identify distinct mental health trajectories and fixed-effects regressions to analyse covariates of the identified profiles of change. Results: We found five distinct linear latent trajectory classes each for externalising MHP and psychosomatic symptoms and four trajectory classes for internalising MHP. For HRQoL, a single-class solution that indicates a common development process proved to be optimal. The largest groups remained almost stable at a low internalising and externalising symptom level (64 to 74%) and consistently showed moderate psychosomatic symptoms (79%), while 2 to 18% showed improvements across the pandemic. About 10% of the youths had consistently high internalising problems, while externalising problems deteriorated in 18% of youths. Class membership was significantly associated with initial HRQoL, parental and child burden, personal resources, family climate and social support. Conclusions: The mental health of most children and adolescents remained resilient throughout the pandemic. However, a sizeable number of youths had consistently poor or deteriorating mental health. Those children and adolescents need special attention in schools and mental health care. [ABSTRACT FROM AUTHOR]

Background: The pain analgesia hypothesis suggests that reduced pain sensitivity (PS) is a specific risk factor for the engagement in non-suicidal self-injury (NSSI). Consistent with this, several studies found reduced PS in adults as well as adolescents with NSSI. Cross-sectional studies in adults with borderline personality disorder (BPD) suggest that PS may (partially) normalize after remission or reduction of BPD symptoms. The objective of the present study was to investigate the development of PS over 1 year in a sample of adolescents with NSSI and to investigate whether PS at baseline predicts longitudinal change in NSSI. Methods: N = 66 adolescents who underwent specialized treatment for NSSI disorder participated in baseline and 1-year follow-up assessments, including heat pain stimulation for the measurement of pain threshold and tolerance. Associations between PS and NSSI as well as BPD and depressive symptoms were examined using negative binomial, logistic, and linear regression analyses. Results: We found that a decrease in pain threshold over time was associated with reduced NSSI (incident rate ratio = 2.04, p = 0.047) and that higher pain tolerance at baseline predicted lower probability for NSSI (odds ratio = 0.42, p = 0.016) 1 year later. However, the latter effect did not survive Holm correction (p = 0.059). No associations between PS and BPD or depressive symptoms were observed. Conclusion: Our findings suggest that pain threshold might normalize with a decrease in NSSI frequency and could thus serve as a state marker for NSSI. [ABSTRACT FROM AUTHOR]

Fear of negative evaluation and prosocial behavior have been identified as predictive factors influencing the development of loneliness in adolescence, representing typical factors in the cognitive and behavioral processes of re-affiliation. The elucidation of plausible direct and indirect pathways linking these pivotal factors to adolescents' loneliness need further exploration. This study aimed to investigate the direct and indirect relationships between the fear of negative evaluation, prosocial behavior, and adolescents' loneliness through the lens of developmental changes. A total of 533 adolescents (49.0% girls, Mage = 15.18 years, SD = 0.71) participated in this longitudinal study, assessed at three timepoints over a span of two years with 12-month intervals. Latent growth modeling uncovered direct associations between the developmental trajectories of both fear of negative evaluation and prosocial behavior with the developmental trajectory of adolescents' loneliness. The developmental trajectory of fear of negative evaluation exhibited an indirect association with the developmental trajectory of loneliness through the mediating role of prosocial behavior. These findings highlighted the roles of cognitive and behavioral re-affiliation processes, both independently and as mediators, in influencing adolescent loneliness, suggesting that interventions aimed at reducing fear of negative evaluation and promoting prosocial behavior could effectively mitigate adolescents' loneliness. [ABSTRACT FROM AUTHOR]

Existing research on non-suicidal self-injury (NSSI) among adolescents has primarily concentrated on general risk factors, leaving a significant gap in understanding the specific NSSI characteristics that predict diverse psychopathological outcomes. This study aims to address this gap by using Random Forests to discern the significant predictors of different clinical outcomes. The study tracked 348 adolescents (64.7% girls; mean age = 13.31, SD = 0.91) over 6 months. Initially, 46 characteristics of NSSI were evaluated for their potential to predict the repetition of NSSI, as well as depression, anxiety, and suicidal risks at a follow-up (T2). The findings revealed distinct predictors for each psychopathology. Specifically, psychological pain was identified as a significant predictor for depression, anxiety, and suicidal risks, while the perceived effectiveness of NSSI was crucial in forecasting its repetition. These findings imply that it is feasible to identify high-risk individuals by assessing key NSSI characteristics, and also highlight the importance of considering diverse NSSI characteristics when working with self-injurers. [ABSTRACT FROM AUTHOR]

Background: It has been proposed that children and young people living in low‐ and middle‐income countries (LMICs) are not only exposed more frequently to trauma but also have a higher likelihood of encountering traumas of greater severity than those living in high‐income countries (HICs). This may lead to higher rates of post‐traumatic stress symptoms (PTSS). However, developmental pathways to risk or resilience after trauma exposure in LMICs are underresearched. Methods: We examined early parenting and attachment as potentially important formative factors for later stress reactivity in a longitudinal cohort of South African children (N = 449). Parenting and attachment were assessed at child age 18 months, and interpersonal trauma exposure, PTSS and parenting stress were measured at 13 years (N = 333; core sample with data on all measures: N = 213). Following a vulnerability‐stress approach, separate regression models were run to investigate whether parent–child attachment at 18 months, parental sensitivity and intrusiveness during play at 12 months, and current parenting stress at 13 years, interacted with adolescents' extent of interpersonal trauma exposure to predict their PTSS levels at 13 years. Results: We found no predictive effects of either early attachment or current parenting stress in relation to child PTSS. There was some evidence for predictive influences of parental early intrusiveness and sensitivity on adolescent outcomes, though associations were unexpectedly positive for the latter. No interaction effects supporting a vulnerability‐stress model were found. Conclusions: Overall, we found limited evidence that elements of the early parent–child environment predict child risk/resilience to trauma in LMIC children. Future studies should include more frequent assessments of relevant constructs to capture changes over time and consider further what comprises adaptive parenting in high‐risk contexts. [ABSTRACT FROM AUTHOR]

Background and Aim: To date, little research is available that objectively quantifies female adolescent singing-voice characteristics in light of the physiological and functional developments that occur from puberty to adulthood. This exploratory study sought to augment the pool of data available that offers objective voice analysis of female singers in late adolescence. Methods: Using long-term average spectra (LTAS) and inverse filtering techniques, dynamic range and voice-source characteristics were determined in a cohort of vocally healthy cis-gender female adolescent singers (17 to 19 years) from high-school choirs in Aotearoa New Zealand. Non-parametric statistics were used to determine associations and significant differences. Results: Wide intersubject variation was seen between dynamic range, spectral measures of harmonic organisation (formant cluster prominence, FCP), noise components in the spectrum (high-frequency energy ratio, HFER), and the normalised amplitude quotient (NAQ) suggesting great variability in ability to control phonatory mechanisms such as subglottal pressure (Psub), glottal configuration and adduction, and vocal tract shaping. A strong association between the HFER and NAQ suggest that these non-invasive measures may offer complimentary insights into vocal function, specifically with regard to glottal adduction and turbulent noise in the voice signal. Conclusion: Knowledge of the range of variation within healthy adolescent singers is necessary for the development of effective and inclusive pedagogical practices, and for vocal-health professionals working with singers of this age. LTAS and inverse filtering are useful non-invasive tools for determining such characteristics. [ABSTRACT FROM AUTHOR]

Abundant studies have explored the relations among deviant peer affiliation, self-control, and aggression without separating within-person from between-person effects. Moreover, it is unclear whether self-control mediates the associations between deviant peer affiliation and aggression during early adolescence. This longitudinal study used Random Intercept Cross-Lagged Panel Model to examine the dynamic relations among deviant peer affiliation, self-control, and aggression within individuals, including examining whether self-control mediated the relations between deviant peer affiliation and aggression. A total of 4078 early adolescents (54% boys, Mage = 9.91, SD = 0.73) completed questionnaires on four occasions across 2 years. Results indicated: (a) Deviant peer affiliation and aggression positively predicted each other; (b) Self-control and aggression negatively predicted each other but were unstable; (c) Deviant peer affiliation and self-control negatively predicted each other; and (d) Self-control mediated the path from aggression to deviant peer affiliation, but not vice versa. The results more precisely identify the relations among deviant peer affiliation, self-control, and aggression within individuals, providing valuable information for prevention and intervention programs targeted at alleviating early adolescent aggression. [ABSTRACT FROM AUTHOR]

Emerging evidence suggests an association between maternal hypertension during pregnancy and mental health in the offspring. However, less is known about the role of hypertensive pregnancy in behavioral symptoms and brain structures of the offspring as well as in their developmental changes. Here, we utilized neuroimaging and behavioral data from 11,878 participants aged 9–10 years and their 2-year follow-up from the Adolescent Brain Cognitive Development (ABCD) study to investigate the long-term effects of maternal hypertension during pregnancy on early adolescent behavior and brain anatomy. Specifically, adolescents born of mothers with maternal hypertension are at risk of long-lasting behavioral problems, as manifested by higher externalizing and internalizing behavior scores at both 9–10 years and 11–12 years. These participants additionally presented with a higher cortical thickness, particularly in the fronto-parieto-temporal areas at 9–10 years. Four regions, including the left parahippocampus, left lateral orbitofrontal lobe, right superior temporal lobe and right temporal pole, remained thicker 2 years later. These findings were partially validated in rats modeled with Nω-nitro-L-arginine methyl ester (L-NAME) preeclampsia. Therefore, clinicians and women who experience hypertension during pregnancy should be warned of this risk, and healthcare providers should recommend appropriate clinical interventions for pregnancy-induced hypertension. [ABSTRACT FROM AUTHOR]

Reading comprehension requires phonics skills, described as "blending phonemes in a word". Adolescents diagnosed with Autism Spectrum Disorder (ASD) often experience poor reading comprehension. The aim of the present study was to explore if it is possible for an adolescent with ASD and intellectual disability to learn reading comprehension skills even without direct teaching, when the focus of the intervention is on teaching phonics skills. An adolescent with ASD, profound intellectual disability and limited behavioral repertoire participated in the study. The participant received intensive ABA‐based interventions according to University of California at Los Angeles‐Young Autism Project (UCLA‐YAP) model and intensive phonics training. Intervention data show emergence of early reading comprehension skills in terms of words/pictures matching and responding to written instructions. It is suggested that implementation of similar interventions could change the opportunities for people with autism who have limited behavioral repertoire and who did not begin an ABA‐based interventions until their adolescence. [ABSTRACT FROM AUTHOR]