• Drug Alcohol Depend · Dec 2016

    Prevalence and correlates of "Vaping" as a route of cannabis administration in medical cannabis patients.

    • James A Cranford, Kipling M Bohnert, Brian E Perron, Carrie Bourque, and Mark Ilgen.
    • Department of Psychiatry, University of Michigan, Rachel Upjohn Building, 4250 Plymouth Road, Ann Arbor, MI 48109-2700, United States. Electronic address: jcranfor@med.umich.edu.
    • Drug Alcohol Depend. 2016 Dec 1; 169: 41-47.

    PurposeTo examine the prevalence and correlates of vaporization (i.e., "vaping") as a route of cannabis administration in a sample of medical cannabis patients.ProceduresAdults ages 21 and older (N=1485M age=45.1) who were seeking medical cannabis certification (either for the first time or as a renewal) at medical cannabis clinics in southern Michigan completed a screening assessment. Participants completed measures of route of cannabis administration, cannabis use, alcohol and other substance use.FindingsAn estimated 39% (n=511) of the sample reported past-month cannabis vaping, but vaping as the sole route of cannabis administration was rare. Specifically, only 30 participants (2.3% of the full sample and 5.9% of those who reported any vaping) indicated vaping as the sole route of cannabis administration. The majority (87.3%) of those who reported vaping also reported smoking (combustion) as a route of cannabis administration. Being younger than age 44, having more than a high school education, engaging in nonmedical stimulant use, being a returning medical cannabis patient, and greater frequency of cannabis use were associated with higher odds of vaping at the bivariate level and with all variables considered simultaneously.ConclusionsVaping appears to be relatively common among medical cannabis patients, but is seldom used as the sole route of cannabis administration.Resultshighlight the importance of monitoring trends in vaping and other substance use behaviors in this population and underscore the need for longitudinal research into the motives, correlates, and consequences of cannabis vaping in medical cannabis patients.Copyright © 2016 Elsevier Ireland Ltd. All rights reserved.

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