Suicide is the second leading cause of death in adolescents (ages 12-19) in the United States, and more work is needed to shed light on the interpersonal protective factors associated with adolescent suicidality. To address this gap in the empirical literature, we examined the application of the Interpersonal Theory of Suicide (IPTS) to the middle…

Little is known about the implications of cannabis legalization on adolescent health behaviors. This study sought to examine the relationship between recreational cannabis legalization and adolescent sexual risk behaviors. Data on 371,487 respondents who have ever had sexual intercourse from 41 states in the 2005 to 2019 Youth Risk Behavior Survey…

Engaging parents in school health examinations can promote adolescents' well-being. We examined parents' participation in universal school health examinations in Finland reported by adolescents in school surveys (14 to 16-year-olds, N = 58,232). Further we studied variation between service providers and schools, and student and school-level…

Youth with greater levels of narcissism face a wide array of difficulties in interactions with others. However, there exists a curious lack of research on their close relationships, such as friendships. In this study, we examined associations between narcissism and friendship features over time. Participants were 261 eighth and ninth graders (112…

"Youth Risk Behavior Survey" 2011-2017 data were examined for associations among high school population subsets who self-reported suicide risk behaviors and experiences with bullying. High-school students who reported suicidal risk behaviors were 4.64 times more likely to have experienced bullying electronically. Ninth grade and female…

Sexual minority adolescents have worse sleep health than their peers. Adolescents who identify as heterosexual and report prior same-sex sexual contact (termed 'discordant heterosexuals') have elevated health risks, but little is known about this group's sleep health. This study examined 2015-2017 Youth Risk Behavior Survey data (n = 12,773 high…

Background: Robust research indicates that social support is negatively associated with depression and anxiety. Less work has investigated social support as a network of support across sources like parents and classmates. Past work suggests that sources of support have differential associations with internalizing outcomes. More work exploring the…

An emerging body of research documents a relationship between sleep quantity and delinquency during adolescence. Absent from this line of research, however, is an evaluation of whether the associations between sleep duration and different forms of delinquency vary across periods of adolescence and sex. The current study aimed to address this gap…

This study explored whether Latinx adolescents' ethnic identity and stressful experiences predicted characteristics of their naturally-occurring mentoring relationships with non-parental adults. Ninth-grade Latinx students completed surveys about ethnic identity, stress exposure, and their natural mentoring relationships during 9th and 10th grade.…

Past research has established clear educational inequities between young people with disabilities and their peers. In part, some of these inequities may be attributed to expectations. In this study, we examined whether parental expectations were related to school functioning at high school, with school functioning broadly defined as ease and…

High-achieving minority students have fewer friends than their majority counterparts. Exploring patterns of friendship formation in the Add Health data, we find strong racial homophily in friendship formations as well as strong achievement homophily within race. However, we find that achievement matters less in cross-racial friendships. As a…

This study examined mediating effects of body weight control behaviors in the relationship between body weight perception and health-related behaviors among 11,458 U.S. adolescents from the 2010 National Youth Physical Activity and Nutrition Survey. Parallel multiple mediation analysis was performed for the secondary data analysis. Nearly one…

Bullying is common among students; however, there are several individual characteristics or identities that make an adolescent more susceptible to victimization. This secondary data analysis of a sample of 20,302 high school students in Wisconsin uses a multilevel model to assess common risk factors such as gender identity, sexual orientation,…

Youth today spend a tremendous amount of time with digital media. The purpose of the present study was to estimate developmental associations between screen media use between the ages of 15 and 17 and corresponding changes in prosocial behavior. Participants (N = 1,509) were part of the Quebec Longitudinal Study of Child Development, a…

This mixed method study explored whether and how familial mentor support may have influenced the parent-adolescent relationship, and whether the impact of familial mentor support on the parent-adolescent relationship may have differed across adolescents' developmental stage. Findings from analyses of survey data from 106 Black adolescents…