Alcohol use severity and age moderate the effects of brief interventions in an emergency department randomized controlled trial

The primary aim of this study was to examine the efficacy of two motivational interviewing-based alcohol brief interventions (BIs) among adults presenting to an emergency department (ED). The secondary aim was to evaluate moderators of intervention effects.Participants were 750 ED patients reporting recent alcohol misuse. Participants were randomly assigned to: 1) computer-delivered BI (Computer BI), 2) therapist-delivered BI with computer...