Although the rate of sexual intercourse among adolescents has increased in Asian countries, including Korea, many sexually active adolescents still do not use contraception. The aim of this study was to identify the risk factors for contraceptive nonuse among adolescents using decision tree analysis of the 2018 Korea Youth Risk Behavior Survey…

Iceland has witnessed a dramatic decline in adolescent substance use that may be partly the result of efforts related to the Icelandic prevention model (IPM). We sought to test risk and protective factor assumptions of the IPM using a prospective cohort study with 12 months separating baseline from follow-up. Participants were students in grades 8…

Background: We examined the longitudinal trajectory of substance use (binge drinking, marijuana use, and cocaine use) in relation to self-esteem from adolescence to young adulthood. Methods: Generalized estimating equation models were fit using SAS to investigate changes in the relation between self-esteem and each substance use (binge drinking,…

This study investigated the social status (i.e., popularity, likeability, and friendships) of adolescents with an early onset of externalizing behavior (i.e., alcohol use, tobacco use, and antisocial behavior). Building on Moffitt's dual-taxonomy model, it was hypothesized that early onset adolescents were more popular, but not necessarily more…

Previous research has identified school bonding as protective against substance use during adolescence. However, there is still a question as to whether school involvement predicts changes in substance use or if substance use actually predicts changes in level of school bonding. This study investigated the relationship between school bonding and…

This collection of fact sheets includes: (1) Alcohol and Drug Use; (2) Bullying and Suicidal Behaviors; (3) Dietary Behaviors; (4) Disease Prevention and Health Care Access; (5) Injury Risk and Violence Behaviors; (6) Physical Inactivity; (7) Sexual Behaviors; (8) Tobacco Use Behaviors; and (9) Weight Management. [For "[West Virginia Youth…

Past research on parentification suggests that adopting adult responsibilities to the point at which the child plays a parental role places children at risk for poor mental and behavioral health outcomes. Since family relations are particularly important in Mexican culture, two hypotheses were posed to examine the indirect effects of…

Although evidence-based interventions to reduce underage drinking have been identified, dissemination into "real-world" communities remains challenging. The purpose of this community-based translational research is to test SAMHSA's Strategic Prevention Framework (SPF) as a model for such dissemination and evaluate its effect on alcohol…

We investigated the links between racial/ethnic marginalization (i.e., having few same-race/ethnic peers at school) and adolescents' socioemotional distress and subsequent initiation of substance use (alcohol and marijuana) and substance use levels. Data from 7,731 adolescents (52% female; 55% White, 21% African American, 16% Latino, 8% Asian…

The identification of developmentally specific windows at which key predictors of adolescent substance use are most influential is a crucial task for informing the design of appropriately targeted substance use prevention and intervention programs. The current study examined effects of conduct problems and depressive symptomatology on changes in…

This collection of fact sheets includes: (1) Alcohol and Drug Use among Middle School Students in West Virginia; (2) Bullying and Suicidal among Middle School Students in West Virginia; (3) Chronic Disease and Disease Prevention among Middle School Students in West Virginia; (4) Dietary Behaviors among Middle School Students in West Virginia; (5)…

This collection of fact sheets includes: (1) Bullying, Suicidal Behaviors, Violence, and Safety-Risk Behaviors among Middle School Students in West Virginia; (2) Dietary and Physical Activity Behaviors among Middle School Students in West Virginia; and (3) Tobacco, Alcohol, and Drug Use among Middle School Students In West Virginia.

In a sample of 711 ethnically diverse adolescents, the observed interpersonal dynamics of dyadic adolescent friendship interactions were coded to predict early adulthood tobacco, alcohol, and marijuana use. Deviant discussion content within the interactions was coded along with dyadic coregulation (i.e., interpersonal coordination, attention…

This study examined alcohol use development from ages 13-20 years. The sample comprised 256 youth (50.4% female; 51.2% White, 48.8% African American) assessed annually for 6 years. A cohort-sequential latent growth model was used to model categorical alcohol use (non-use vs. use). Covariates included gender, race, income, parent marital status,…

The influence of using substances with friends on future individual use was examined in the context of parental monitoring rules and the ecology of peer activities. A 1-year longitudinal study design included a combined sample of North Italian and French Canadian adolescents (N = 285, 53% girls, M = 14.25 years). Data analyses were conducted using…