A developmental-based motivational intervention to reduce alcohol and marijuana use among non-treatment-seeking young adults: a randomized controlled trial.

ABSTRACT:

Aims

To test the hypothesis that among non-treatment-seeking emerging adults (EA) who both use marijuana and have alcohol binges, a brief, longitudinally delivered, developmentally based motivational intervention would show greater reductions in the use of these two substances compared with a health education control condition.

Design

Parallel, two-group, randomized controlled trial with follow-up interventions conducted at 1, 3, 6 and 9 months and final assessments at 12 and 15 months.

Setting

Hospital-based research unit in the United States.

Participants

Community-based 18-25-year-olds who reported at least monthly binge drinking and at least weekly marijuana use.

Intervention

Motivational intervention (EA-MI) focused primarily on themes of emerging a

SUBMITTER: Stein MD 

PROVIDER: S-EPMC5807100 | biostudies-literature | 2018 Mar

REPOSITORIES: biostudies-literature