IMARA participants will report less risky sex (fewer partners, more consistent condom use, and later sexual debut among non-sexually active girls) at 6- and 12-months and have fewer incident STI infections at 12-months; and (b) IMARA participants will report positive changes in theoretical mediators: individual attributes (more positive condom attitudes, self-efficacy, ethnic pride), peer/partner influences (more relationship power, partner communication, and awareness of partner influences on sexual decision making), mental health (improved emotion regulation and understanding of the links between mental illness and risky sex), mother-daughter communication (more open and comfortable), and mother-daughter relationships (more parental monitoring and warmth, less parental permissiveness).