Predictors of Adult E-Cigarette Users Vaporizing Cannabis Using E-Cigarettes and Vape-Pens.
Given limited extant research, we assessed the use of portable, battery-powered cannabis vaporizers by adult e-cigarette users.



522 adult vapers completed an online survey. Demographics; lifetime and past-month cannabis vaporization via e-cigarettes/vape-pens; preferences for hash oil, D-9-tetrahydrocannabinol (THC) wax, or dried buds; and cannabis vaporization beliefs and motives were examined. Demographics, age of e-cigarette onset, e-cigarette use frequency, state-level legal status of cannabis, cannabis vaping beliefs/motives, and impulsivity were examined as predictors of lifetime cannabis vaporization, past-month cannabis vaporization, and cannabis vaping frequency.



E-cigarette users reported lifetime (17.8%) and past-month (11.5%) cannabis vaporization. Vapers preferred hash oil (LT/PM 45.5/47.5%), THC wax (15.2/32.2%), and dried buds (39.4/35.6%). Motivations to vape cannabis included: it tastes better (39.3/37.9%), is healthier (42.9/39.7%), is easier to conceal/hide (35.7/46.6%), does not smell as strong (42.9/39.7%), is more convenient (42.9/27.6%), and produces a stronger/better high (58.1/40.7%) than smoking cannabis. Lifetime and past-month cannabis vaporization, respectively, were associated with initiating e-cigarette use at an earlier age (odds ratio (OR) = 0.09/0.88), being impulsive (OR = 2.25/3.23), having poor self-control (OR = 2.23/1.85), and vaporizing cannabis because it is easier to conceal/hide (OR = 2.45/2.48) or is more convenient than smoking cannabis (OR = 5.02/2.83). Frequency of vaping cannabis was associated with heavier e-cigarette use (ηp2= 0.10) and impulsivity (ηp2= 0.09).



Adult e-cigarette users are vaporizing cannabis using e-cigarettes/vape-pens. Efforts to curb cannabis vaporization may benefit from targeting impulsivity in users and regulating device features that facilitate or promote convenient, inconspicuous cannabis use.
a Department of Psychology , Oberlin College , Oberlin , Ohio , USA.|b Department of Psychiatry , Yale School of Medicine , New Haven , Connecticut , USA.
Meghan E
ME
Morean
a Department of Psychology , Oberlin College , Oberlin , Ohio , USA.
Noah
N
Lipshie
a Department of Psychology , Oberlin College , Oberlin , Ohio , USA.
Margo
M
Josephson
b Department of Psychiatry , Yale School of Medicine , New Haven , Connecticut , USA.
Dawn
D
Foster
D000328:Adult; D000367:Age Factors; D002188:Cannabis; D066300:Electronic Nicotine Delivery Systems; D005260:Female; D006801:Humans; D008297:Male; D008385:Marijuana Smoking; D009042:Motivation; D000068356:Self-Control; D011795:Surveys and Questionnaires; D000072137:Vaping; D055815:Young Adult
Cannabis; electronic cigarettes; marijuana; vape-pens; vaping