Antisocial peer behavior and low parental knowledge of adolescents' activities are key interpersonal risk factors for adolescent substance use. However, how the magnitude of associations between these risk factors and substance use may vary across adolescence remains less well understood. The present study examined the age-varying associations of…

Data from the spring 2010 Minnesota student survey were analyzed in order to quantify the risk for suicide ideation as a function of bullying variability. Other factors available from the survey included alcohol and other drug use, within-family violence and abuse, mental health symptoms. In addition, a factor analysis revealed a protective…