Alcohol, tobacco, and marijuana consumption is associated with increased odds of same-day substance co- and tri-use.

ABSTRACT:

Background

Little is known about event-level patterns of marijuana co- or tri-use with alcohol and tobacco. Thus, the study goal was to examine patterns of same-day alcohol, cigarette, and marijuana co- and tri-use at the individual level in non-treatment-seeking alcohol users.

Methods

Participants (N = 551) completed an in-person interview for alcohol, cigarette, and marijuana use over the previous 30 days, and the event-level substance use patterns of n = 179 participants who reported using each of these substances at least once per month were analyzed.

Results

The use of alcohol, marijuana, or cigarettes independently increased the probability of subsequent, simultaneous co-use of one of the two remaining substances. The co-use of alcohol with cigarettes and mariju

SUBMITTER: Roche DJO 

PROVIDER: S-EPMC6675401 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature