Background: The comprehensive school health (CSH) framework has four components: social and physical environment; partnerships and services; teaching and learning; and policy. This study examines associations between CSH and student physical activity (PA). Methods: Using 2015/2016 COMPASS study survey data of 37,397 students (grades 9-12) from 80…

This study aimed to determine whether problematic internet use and healthy lifestyle behaviors among high school students varied by gender, grade level, academic average, and school type variables and to investigate the relationship between problematic internet use and healthy lifestyle behaviors. The sample of the study consisted of a total of…

Monitoring the Future (MTF) is an ongoing research program conducted at the University of Michigan's Institute for Social Research under a series of investigator-initiated research grants from the National Institute on Drug Abuse beginning in 1975. The integrated MTF study includes annual surveys of nationally-representative samples of 8th, 10th,…

The characteristics of and risk factors associated with binge drinking among South Korean and American adolescents were identified in this study. Data on adolescents in the 9th to 12th grades were extracted from two nationwide data sets: the Korea Youth Risk Behavior Web-based Survey System and the U.S. Youth Risk Behavior Surveillance System.…

The purpose of the study was to describe adherence to screen time (ST) and physical activity (PA) recommendations among Canadian youth. The present study was based on a representative sample of Canadian students from Grades 7 through 12 (N = 47,203). ST and PA as well as demographic (gender, ethnicity, grade, and province of residence) and…

This study examined the association between various types of peer-directed violence and suicidal thoughts and behaviors among adolescents. A nationally representative sample of 15,425 high school students completed the 2011 Youth Risk Behavior Survey. All types of peer victimization (bullying, physical violence, and dating violence) were found to…

This study applies cumulative adversity and stress proliferation theories to examine risk and protective resource profiles of youth with three different levels of housing and parental care instability. Data derive from a state representative sample (n=27,087) of school-based adolescent students. ANCOVA analyses identified significant differences…

Although early sexual initiation has been linked to negative outcomes, it is unknown whether these effects are causal. In this study, we use propensity score methods to estimate the causal effect of early sexual initiation on young adult sexual risk behaviors and health outcomes using data from the National Longitudinal Study of Adolescent to…

Substance use is a leading cause of preventable morbidity and mortality; it is in large part why, among 17 high-income nations, people in the U.S. have the highest probability of dying by age 50. Substance use is also an important contributor to many social ills including child and spousal abuse, violence more generally, theft, suicide, and more;…

The present volume presents new 2019 findings from the U.S. national Monitoring the Future (MTF) follow-up study concerning substance use among the nation's college students and adults from ages 19 through 60. This report includes 2019 prevalence estimates on numerous illicit and licit substances, examines how substance use differs across this age…

Background: Associations of lower school connectedness have been seen with adolescent sexual risk behaviors, but little is known about gender differences with respect to these relationships. Understanding any such differences could contribute to better supporting the school environment to promote youth sexual health. Methods: We used provincially…

This volume presents new 2018 findings from the U.S. national Monitoring the Future (MTF) follow-up study concerning substance use among the nation's college students and adults from ages 19 through 60. The authors report 2018 prevalence estimates on numerous illicit and licit substances, examine how substance use differs across this age span, and…

Although much is known about health-risk behaviors of adolescents, less is known about their health-promoting behaviors. The purpose of this analysis was to compare health-promoting behaviors in adolescents in Grades 9-12 by gender and ethnicity and explore how these behaviors changed over time. Data were collected from 878 rural adolescents…

Substance use is a leading cause of preventable morbidity and mortality; it is in large part why, among 17 high-income nations, people in the U.S. have the highest probability of dying by age 50. Substance use is also an important contributor to many social ills including child and spousal abuse, violence more generally, theft, suicide, and more;…

Parents play an important role in influencing adolescent health behaviors and parenting practices may be an important pathway through which social disadvantage influences adolescent health behaviors that can persist into adulthood. This analysis uses the National Longitudinal Study of Adolescent Health to examine how parenting practices mediate…