Participants in this study will be randomly assigned to a personal feedback intervention (PFI) or assessment only for 3 years. The PFI intervention will be delivered in a single session. Measures will include the NORC DSM Screen for Problem Gambling (NODS), the South Oaks Gambling Screen (SOGS), Gambling Quantity and Perceived Norms, Perceived Injunctive Gambling Norms, Gambling Problems Index, gambling frequency, attitudes and beliefs about gambling and self-control, readiness to change, gambling expectancies, gambling motives, gambling risk perception, psychiatric symptoms, assertiveness, coping skills, substance use, alcohol-related problems, self-determination, and social desirability.