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## Breadcrumb

            -  Evidence and Innovation 
            -  Teen Pregnancy Prevention Evidence Review 
            -           PPRER007305      

# PPRER007305

Coyle, K. K., Glassman, J. R., Franks, H. M., Campe, S. M., Denner, J., Lepore, G. M. (2013). Interventions to reduce sexual risk behaviors among youth in alternative schools: A randomized controlled trial. Journal of Adolescent Health, 53(1), 68-78.

Glassman, J. R., Franks, H. M., Baumler, E. R., Coyle, K. K. (2014). Mediation analysis of an adolescent HIV/STI/pregnancy prevention intervention. Sex Education: Sexuality, Society and Learning, 14(5), 497-509.

All4You!

High
Random assignment study that met all criteria for a high rating; findings show a positive, statistically significant impact for at least one behavioral outcome

### Program Information

### Evaluation Setting

### Study Sample

### Research Design

652

2

14

### Study Findings

A more recent study by the same group of researchers sought to evaluate the effectiveness of the individual components of the All4You! program. The study used a cluster randomized controlled trial involving eleven continuation high schools in northern California. In each school, students were randomly assigned by classroom to one of four research groups: (1) a treatment group that participated in a curriculum-only version of the program; (2) a treatment group that participated only in the program service learning activities; (3) a treatment group that participated in both the curriculum and service learning activities; or (4) a control group that received an alternative program on nutrition and exercise. Surveys were administered immediately before the program started (baseline) and again six and 18 months after baseline.For both the 6- and 18-month follow-up surveys, the study found no statistically significant differences in sexual risk behaviors across the three treatment groups. On the basis of this result, there is no evidence to conclude that any one component of the program is more effective than the others. Relative to the control group, the study found that for the 6-month follow-up survey, adolescents participating in the curriculum-only version of the program were significantly less likely to report having had unprotected sexual intercourse in the past 3 months. The study found no statistically significant program impacts on the number of sexual partners, frequency of intercourse, or sexual initiation for any of the three treatment groups. The study findings for these outcomes are not directly comparable with those of the prior study of All4You! (Coyle et al. 2006) because of differences in the definition of the outcome measures and the analytic methods used to estimate program impacts.The study also examined program impacts on measures of frequency of unprotected sex with steady and non-steady partners, HIV and STI testing, reports of volunteering, exposure to risky situations, condom and HIV knowledge, perceived self- efficacy, refusal and communication skills, and attitudes toward sex and contraceptive use. Findings for these outcomes were not considered for the review because they fell outside the scope of the review.

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.