1. Final impacts of the POWER through choices program: impact report from the Evaluation of adolescent pregnancy prevention approaches Author(s): Covington, Reginald D., author Publication: [Washington, D.C.] : Department of Health & Human Services, Office of Adolescent Health, September 2016 Subject(s): Pregnancy in Adolescence -- prevention & controlSexually Transmitted Diseases -- prevention & controlAdolescent BehaviorSexual BehaviorProgram EvaluationHealth SurveysUnited States