Making Decisions with Trees: Examining Marijuana Outcomes among College Students using Recursive Partitioning.

ABSTRACT: Exploratory analyses were used to identify a unique constellations of variables that are associated with marijuana use outcomes among college students. We used recursive partitioning to examine over 100 putative antecedents of lifetime marijuana user status, past-month marijuana user status, and negative marijuana-related consequences. Participants (N=8141) completed measures online across 11 sites in the USA. Norms (descriptive, injunctive, and internalized norms) and marijuana identity best distinguished marijuana users from non-users (i.e., lifetime/past month), whereas marijuana use frequency, use of protective behavioral strategies, and positive/negative urgency best distinguished the degree to which users reported negative consequences. Our results demonstrate that tree-based

SUBMITTER: Ad W 

PROVIDER: S-EPMC6516071 | biostudies-literature | 2018 Sep

REPOSITORIES: biostudies-literature