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


Department of Psychology, University of California, Los Angeles, Los Angeles, CA, USA. Electronic address: [Email]


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.


Alcohol,Co-use,Comorbidity,Marijuana,Polydrug abuse,Sex differences,Tobacco,