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## Breadcrumb

            -  Evidence and Innovation 
            -  Teen Pregnancy Prevention Evidence Review 
            -           PPRER000144      

# PPRER000144

Hawkins, J. D., Catalano, R. F., Kosterman, R., Abbott, R.,  Hill, K. G. (1999). Preventing adolescent health-risk behaviors by strengthening protection during childhood. Archives of Pediatrics  Adolescent Medicine, 153(3), 226-234.

Lonczak, H. S., Abbott, R. D., Hawkins, J. D., Kosterman, R.,  Catalano, R. F. (2002). Effects of the Seattle social development project on sexual behavior, pregnancy, birth, and sexually transmitted disease outcomes by age 21 years. Archives of Pediatrics  Adolescent Medicine, 156(5), 438-447.

Hawkins, J. D., Kosterman, R., Catalano, R. F., Hill, K. G.,  Abbott, R. D. (2008). Effects of Social Development Intervention in Childhood 15 Years Later. Archives of Pediatrics  Adolescent Medicine, 162(12), 1133-1141.

ModerateQuasi-experimental study that met all criteria for a moderate rating; findings show a positive, statistically significant impact for at least one behavioral outcome

### Program Information

### Evaluation Setting

### Study Sample

### Research Design

### Study Findings

NA = Not available. This means the authors did not report the information in the manuscripts associated with the studies we reviewed.

a This information was not available whenever authors did not report information for the treatment and comparison groups separately on outcome means, standard deviations, and/or sample sizes.

b Authors reported that the program effect (impact) estimate is statistically significant with a p-value of less than 0.05 based on a two-tailed test.

c For some outcomes, having less of that outcome is favorable. In those cases, an effect with a negative sign is favorable to the treatment group (that is, the treatment group had a more favorable outcome than the comparison group, on average).

d An effect meets the review standards for credible evidence whenever it is statistically significant with a p-value of less than 0.05 based on a two-tailed test, includes the appropriate adjustment for clustering (if applicable), and it is not based on an endogenous subgroup.