Efficacy of a theory-based abstinence-only intervention over 24 months: a randomized controlled trial with young adolescents.

Archives of Pediatrics & Adolescent Medicine
John B JemmottGeoffrey T Fong

Abstract

To evaluate the efficacy of an abstinence-only intervention in preventing sexual involvement in young adolescents. Randomized controlled trial. Urban public schools. A total of 662 African American students in grades 6 and 7. An 8-hour abstinence-only intervention targeted reduced sexual intercourse; an 8-hour safer sex-only intervention targeted increased condom use; 8-hour and 12-hour comprehensive interventions targeted sexual intercourse and condom use; and an 8-hour health-promotion control intervention targeted health issues unrelated to sexual behavior. Participants also were randomized to receive or not receive an intervention maintenance program to extend intervention efficacy. The primary outcome was self-report of ever having sexual intercourse by the 24-month follow-up. Secondary outcomes were other sexual behaviors. The participants' mean age was 12.2 years; 53.5% were girls; and 84.4% were still enrolled at 24 months. Abstinence-only intervention reduced sexual initiation (risk ratio [RR], 0.67; 95% confidence interval [CI], 0.48-0.96). The model-estimated probability of ever having sexual intercourse by the 24-month follow-up was 33.5% in the abstinence-only intervention and 48.5% in the control group. Fewer abst...Continue Reading

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