Predicting Receipt of an Effective Dose of a Family-Centered Preventive Intervention for African American Youth.

Research reveals a linear association between prevention program dose and outcomes; that is, families receive the most benefits when they attend a sufficient number of program sessions. Ensuring participants receive an effective dose of prevention is a persistent challenge for the widespread implementation of family-centered prevention programs. We investigated factors associated with an effective dose of the Strong African American Families (SAAF) substance use prevention program.