“…Within the content area of substance use, selected items reflected both substance use across one's lifetime as well use within the past few weeks. Based on previous literature regarding behaviors that might reflect adolescents at-risk, items related to cigaret, alcohol, marijuana, cocaine, heroin, ecstasy, methamphetamines, and prescription drug use and the relationship to health behaviors were included (Wickrama et al, 1999 ; Safron et al, 2001 ; Hamilton, 2009 ; Landis et al, 2009 ; Grana et al, 2010 ), whereas drugs related to possible performance enhancement such as steroids were excluded from the analysis. With respect to risky sexual behaviors, items related to age of onset of sexual behavior, number of partners in one's lifetime, and number of partners within the last 3 months were selected.…”