ARTICLE Randomized Trial of a Parent Intervention Parents Can Make a Difference in Long-term Adolescent Risk Behaviors, Perceptions, and Knowledge

been demonstrated to reduce targeted adolescent risk be-haviors for brief periods, sustained behavior changes cov-ering multiple risk behaviors have been elusive. Objective: To determine whether a parental monitor-ing intervention (Informed Parents and Children To-gether [ImPACT]) with and without boosters can fur-ther reduce adolescent truancy, substance abuse, and sexual risk behaviors and can alter related perceptions 24 months after intervention among youth who have all received an adolescent risk-reduction intervention, Fo-cus on Kids (FOK). Design: Randomized, controlled, 3-celled longitudinal trial. Setting:Thirty-five low-income, urban community sites. Participants: Eight hundred seventeen African Ameri