In the Fall of 2004, 1,948 5th grade students from Phoenix, AZ enrolled in an evaluation of a school-based, substance use prevention intervention. To assess the consistency of Mexican and Mexican-American students' self-reports of lifetime substance use, the present study analyzed data reported by 1,418 students who reported Mexican ancestry and…

This article examined the impact of linguistic acculturation and gender on the substance use initiation of a sample of 1,473 Mexican heritage preadolescents attending 30 public schools in Phoenix, Arizona. It was hypothesized that linguistic acculturation operates differently as a risk or protective factor for young children than for older youth.…

This study explores the extent to which parental and peer behaviors and norms may affect substance use, personal antidrug norms, and intentions to use drugs in a group of Mexican heritage preadolescents in the Southwest United States, and whether these parental and peer influences differ according to gender. Secondary data from a randomized trial…