Substance use by hispanic and white non-hispanic pregnant adolescents: A preliminary survey

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Abstract
White non-Hispanic and Hispanic adolescents aged 17 years and under n= 81) who delivered in San Jose, California area hospitals during a 6-week period were interviewed within 24 hours concerning their use of cigarettes, marijuana, and alcohol during pregnancy, and a number of background, social support, and psychosocial factors. Before 12–16 weeks of pregnancy, each of the substances studied was used by over 50% of this population, with 53% smoking cigarettes, 51% smoking marijuana, and 58% consuming beer or wine. Most substance use ceased after 12–16 weeks of pregnancy. There were no significant differences between ethnic groups in substance use. Multiple regression analyses showed that cigarette smoking decreased when social support was provided by the adolescent's partner and it was higher if parents smoked and/or used alcohol p<.001. Parental substance use, combined with lack of social support, was also associated significantly with marijuana use p<.001, explaining 30% of the variance. Use of birth control prior to pregnancy was related to beer and wine consumption p<.05, explaining 16% of the variance. Active inclusion of members of the adolescent's support network in pregnancy care, and initiative by educators and clinicians in discussing substance use, may accelerate its cessation. Ethnicityrelated behavior change strategies may be of little relevance to adolescent substance use during pregnancy.