• Mary P Martinasek, Amy Bowersock, and Christopher W Wheldon.
• Department of Health Sciences and Human Performance, University of Tampa, Tampa, Florida. mmartinasek@ut.edu.
• Respir Care. 2018 Jul 1; 63 (7): 913919913-919.

BackgroundElectronic nicotine delivery systems (ENDS) are battery-operated devices used to inhale vaporized or aerosolized nicotine. There is increasing research uncovering negative health effects of these devices. Less is known about the social and behavioral aspects among college students.MethodsThis cross-sectional study was conducted at a mid-sized private university in Florida. The survey was sent via e-mail to the student body of undergraduates. A final sample size of 989 students was analyzed to understand demographic differences between users and nonusers, initiation factors, and influencers, as well as multiple product behaviors.ResultsApproximately 51.4% (n = 508) of participants reported ever using an ENDS and other tobacco consumption. Males were significantly more likely to be users of ENDS. Polytobacco use, or the use of multiple tobacco products, was also more common among participants who have tried ENDS (P < .001). Perceptions of harm of both the primary and secondary vapor were considered to be less than that of conventional cigarettes. Peers were the primary influencer for initial use. A 4-class latent variable model differentiated between usage patterns characterized as abstainers (70%), hookah users only (14%), ENDS only (11%), and polytobacco users (4%).ConclusionsENDS are not commonly used as a quit tool among college students, but rather as a secondary source of nicotine, most commonly in current smokers.Copyright © 2018 by Daedalus Enterprises.

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