Abt Associates. Safer Sex Intervention: Interim Impact Report, Teen Pregnancy Prevention Replication Study, Report prepared for the Office of Adolescent Health and the Office of the Assistant Secretary for Planning and Evaluation, U.S. Department of Health and Human Services, September 2015b.

Kelsey, M., Walker, J. T., Layzer, J., Price, C., & Juras, R. (2016e). Replicating the safer sex intervention: 9-month impact findings of a randomized controlled trial. American Journal of Public Health, 106, S53-S59. doi:10.2105/AJPH.2016.303372

Kelsey, M., Layzer, J., Price, C., Juras, R., and Walker, J. "Safer Sex Intervention: Short-Term Impact Report." Draft Teen Pregnancy Prevention Replication Study, Abt Associates: Cambridge, MA, November 2016f.

Program Evaluated Safer Sex Intervention (SSI)
Evidence of Effectiveness Yes
Study Rating and Explanation HighRandom assignment study that met all criteria for a high rating; findings show a positive, statistically significant impact for at least one behavioral outcome
Review Date October 2015

Program Information

Program Type

Program Type is Clinic-based Clinic-based
Sexuality education
Programs for special populations
Youth development

Program Length

Program Length is Fewer than 10 sessions Fewer than 10 sessions
10 to 20 sessions
More than 20 sessions

Evaluation Setting

After school/community-based
Evaluation Setting is Health clinic Health clinic
Elementary school
Middle school
High school
Multiple settings
Specialized setting

Study Sample

Average Age Group

13 or younger
Average Age Group is 14 to 17 14 to 17
18 or 19

Majority Racial/Ethnic Group

Majority Racial/Ethnic Group is African American African American


Both genders
Gender is Female only Female only
Male only

Research Design

Assignment Method Randomized controlled trial
Sample Size 1,809
Number of Follow-Ups 2
Length of Last Follow-Up 3

Study Findings

Sexual Initiation/Abstinence +
Recent Sexual Activity 0
Number of Sexual Partners Mix of positive, null, and/or adverse impacts
Frequency of Sexual Activity Not measured
Contraceptive Use and/or Consistency Mix of positive, null, and/or adverse impacts
Sexually Transmitted Infections (STIs) or HIV 0
Pregnancy or Birth 0