This study examined the relationship of social influences to use drugs and competence variables with lifetime poly-drug use for adolescents residing in inner-city regions. The same model was tested separately for boys and girls. Sixth- and seventh-graders (N = 2400) in inner-city schools self-reported substance use, social influences to use drugs…

This article examines family, friend, and media influences on competent and problem behaviors in a sample of 1,174 urban minority youth followed over 6th, 7th, and 8th grades. Students completed annual surveys at their schools. Each of the contextual factors investigated was significantly associated with concurrent aggression and delinquency as…