Abstinence Ed Effective
Randomized Trial Finds Teen Abstinence Ed Effective

An article in the January, 2005 Journal of Adolescent Health reports a rigorous 4 year study, which found that randomly assigned female students exposed to an abstinence-centered program in a Chilean high school had five times lower pregnancy rates than the control group of female students, which received no intervention. The abstract follows.

Adolescent pregnancy prevention: an abstinence-centered randomized controlled intervention in a Chilean public high school Carlos Cabezon, M.D., Ph.D. a,*, Pilar Vigil, M.D., Ph.D.b, Ivan Rojasc, M. Eugenia Leivad, Rosa Riquelme e, Waldo Arandaf, and Carlos Garcia, M.D.ctober 17, 2003 Abstract

Purpose: To evaluate the efficacy of an abstinence-centered sex education program in adolescent pregnancy prevention, the TeenSTAR Program was applied in a high school in Santiago, Chile. Methods: A total of 1259 girls from a Santiago high school were divided into three cohorts depending on the year they started high school: the 1996 cohort of 425 students, which received no intervention; the 1997 cohort, in which 210 students received an intervention and 213 (control group) did not; and the 1998 cohort, in which 328 students received an intervention and 83 (control group) did not. Students were randomly assigned to control and intervention groups in these cohorts, before starting with the program. We conducted a prospective, randomized study using the application of the TeenSTAR sex education program during the first year of high school to the intervention groups in the 1997 and 1998 cohorts. All cohorts were followed up for 4 years; pregnancy rates were recorded and subsequently contrasted in the intervention and control groups. Pregnancy rates were measured and Risk Ratio with 95% confidence interval were calculated for intervention and control groups in each cohort.

Results: Pregnancy rates for the intervention and control groups in the 1997 cohort were 3.3% and 18.9%, respectively (RR: 0.176, CI: 0.076-0.408). Pregnancy rates for the intervention and control groups in the 1998 cohort were 4.4% and 22.6%, respectively (RR 0.195, CI: 0.099-0.384).

Conclusions: The abstinence-centered TeenSTAR sex education intervention was effective in the prevention of unintended adolescent pregnancy. Source: Journal of Adolescent Health 36 (2005) 64-69.
 
 
 
 
 
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