title: Testing mediating mechanisms in theory-based interventions: contributions to efficacy research.
authors: Blair
authors: B
authors: Beadnell
mesh_terms: D000293:Adolescent; D000294:Adolescent Behavior; D001741:Black or African American; D005260:Female; D006293:Health Promotion; D006801:Humans; D008297:Male; D008962:Models, Theoretical; D011247:Pregnancy; D011253:Pregnancy in Adolescence / Q000517:prevention & control; D040242:Risk Reduction Behavior; D012309:Risk-Taking; D012749:Sexually Transmitted Diseases / Q000517:prevention & control; D047568:Unsafe Sex / Q000517:prevention & control*