Four studies were used to evaluate school-based sex education programs. Pooled results involving 2,284 subjects produced an odds ratio of 1.19 (confidence interval 0.86 to 1.66) suggesting that the interventions had no effect on reducing teenage pregnancy.
One study was used to evaluate multifaceted programs. The results of 540 subjects produced an odds ratio of 0.41 (confidence interval 0.20 to 0.83) suggesting that the intervention did reduce teenage pregnancy.
Two studies were used to evaluate family planning clinics. Pooled results involving 431 subjects produced an odds ratio of 0.94 (confidence interval 0.52 to 1.69) suggesting that the interventions did reduce teenage pregnancy.
Five studies were used to evaluate abstinence programs. Pooled results involving 4,764 subjects produced an odds ratio of 1.46 (confidence interval of 0.95 to 2.25) suggesting that the interventions had no effect on reducing teenage pregnancy.
The cumulative results after pooling all study interventions (twelve studies involving 8,019 subjects) produce an odds ratio of 1.04 (confidence interval 0.78 to 1.40) suggesting that the interventions had no overall effect on teenage pregnancy.
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