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The present study examined the prevalence rates and common predictors of substance use, aggression, and delinquency among inner-city minority youth entering middle school. A survey was administered to sixth grade students (N=5442) from 42 New York City schools. Aggressive behaviors were reported most frequently, followed by delinquent behaviors, alcohol use, and cigarette smoking. Across all behavioral outcomes, social and environmental influences explained the largest proportion of variance, followed by individual characteristics and skills, bonding to conventional institutions, and demographic variables. For the majority of predictor variables, there was substantial overlap in patterns of prediction across outcomes. These findings indicate that several factors that correspond to the predominant psychosocial theories of adolescent development explain variation across different problem behavior outcomes among inner-city minority youth.

National survey data indicate that illicit drug use has steadily increased among American adolescents since 1992. This upward trend underscores the need for identifying effective prevention approaches capable of reducing the use of both licit and illicit drugs. The present study examined long-term follow-up data from a large-scale randomized prevention trial to determine the extent to which participation in a cognitive-behavioral skills-training prevention program led to less illicit drug use than for untreated controls. Data were collected by mail from 447 individuals who were contacted after the end of the 12th grade, 6.5 years after the initial pretest. Results indicated that students who received the prevention program (Life Skills Training) during junior high school reported less use of illicit drugs than controls. These results also support the hypothesis that illicit drug use can be prevented by targeting the use of gateway drugs such as tobacco and alcohol.

Epidemiological research indicates that the prevalence rate of drug use among adolescents has risen steadily during this decade, and although alcohol use has stabilized it is still highly prevalent. Psychosocial etiological models have typically examined main effects of risk and protective factors. This study examined moderating effects of intrapersonal skills on social (peer and parental) risks associated with alcohol and marijuana use among eighth-grade rural adolescents, an understudied population. Results indicated that the relationships of peer and parental attitudes, and peer usage to alcohol and marijuana use, are moderated by adolescents' decision-making and self-reinforcement skills. Social risk factors were strongly associated with increased alcohol and marijuana use among adolescents with poor intrapersonal skills. However, good decision-making and self-reinforcement skills diminished the influence of social risk factors on substance use. Results are discussed in terms of implications for psychosocial models of alcohol and drug use, and for designing effective school-based universal prevention interventions.