Resumen

GALLEGOS, Esther C et al. Intervention to reduce adolescents’ sexual risk behaviors: a randomized controlled trial. Salud pública Méx [online]. 2008, vol.50, n.1, pp.59-66. ISSN 0036-3634.

OBJECTIVE: To test the efficacy of a behavioral intervention designed to decrease risk sexual behaviors for HIV/AIDS and unplanned pregnancies in Mexican adolescents. MATERIAL AND METHODS: Randomized controlled trial with four follow ups; 832 adolescents recruited from high schools, age 14-17, were randomly assigned to the experimental or control group. The six hour intervention used active learning strategies, and was delivered in two sessions on two consecutive Saturdays. The study was carried out in Monterrey, Mexico, 2002-2005. RESULTS: GEE analysis indicated no differences in sexual relationships’ intentions between the two conditions, however, the experimental group had higher intentions to use condoms and contraceptives (mean differences 0.15 and 0.16, CI 95%) in the next three months, as compared with the control group. Theoretical variables, such as control beliefs, were significant mediators of the intervention. CONCLUSIONS: The behavioral intervention represents an important effort in promoting safe sexual behaviors among Mexican adolescents.

Palabras llave : prevention [control pregnancy in adolescence]; prevention [control AIDS]; risk taking; risk groups; culturalfactors; Mexico.

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