Research has begun to show associations between adolescents' mealtime practices and their engagement in problem behaviors. Few studies have addressed this longitudinally and/or examined lunchtime practices during the school day. This study tests for associations between urban multiethnic middle school students' (N = 1498) lunchtime practices in…

This study examines patterns of organized activity and their concurrent association with academic achievement, problem behavior, and perceived adult support in a sample of urban, early adolescent, middle school students (mean age = 13.01; N = 2,495). Cluster analyses yielded six activity profiles: an uninvolved group (n = 775, 31.1%), a multiply…

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…