Abstract
INTRODUCTION: Previous research has demonstrated that externalizing symptoms, cannabis use problems, and poor decision-making abilities are each independently related to risky sexual behavior (RSB). However, few studies have examined the joint effect of these factors on RSB among a sample of adolescents. METHODS: The current study addresses this gap in the literature by examining how externalizing disorder symptoms, cannabis use, and decision-making abilities interact to predict RSB among a sample of adolescents (n = 204; M(age) = 15.5) at-risk for escalation in cannabis use. Poisson regression was used for all analyses, and simple slope difference tests were used for all post-hoc analyses. RESULTS: A greater number of externalizing symptoms, more problems from cannabis use, and more risk disadvantageous choices on the Cups Task (CT) total trials and more risk disadvantageous choices on the CT-gain trials predicted greater RSB endorsement. Findings also highlight significant interactions between cannabis use problems and CT-total and -gain trial performance, as well as between cannabis use problems and externalizing symptoms in predicting RSB. CONCLUSION: Current treatment and prevention approaches to reduce RSB among adolescents may benefit from incorporating techniques that improve decision-making skills.