• Preventive medicine · Nov 2022

    Curiosity, use, and perceptions of "tobacco-free nicotine" E-cigarettes among U.S. young adults.

    • Deepa R Camenga, Suchitra Krishnan-Sarin, Danielle R Davis, Krysten W Bold, Grace Kong, and Meghan E Morean.
    • Department of Emergency Medicine, Yale School of Medicine, 464 Congress Avenue Suite 260, New Haven, CT 06519, United States of America. Electronic address: deepa.camenga@yale.edu.
    • Prev Med. 2022 Nov 1; 164: 107296107296.

    AbstractThis study determined whether young adults perceptions of how tobacco free nicotine (TFN) compared to tobacco-derived nicotine (TDN) were associated with curiosity to try or use TFN e-cigarettes. U.S. young adults aged 18-25 years (n = 1176) completed an online survey in October 2021. Survey questions assessed TFN awareness, curiosity, use, and perceptions of how flavor, taste, ease of access, cost, and harm compared between TFN and TDN. Participants were categorized into 3 groups: not curious to try TFN (n = 511, 43.5%), curious to try TFN (n = 348, 29.6%), and ever used TFN (n = 317, 27%). Multinomial logistic regression measured associations between perceptions and TFN curiosity and use (vs. not curious to try), with total number tobacco products used and demographics as covariates. Compared to young adults who were not curious to try TFN e-cigarettes, those who were curious perceived TFN as less addictive than TDN (aOR = 2.27; 95% CI =1.34-3.86). Those who had used TFN e-cigarettes perceived TFN as having flavors that tasted better (aOR = 1.80; 95% CI = 1.63-1.99), "smoother" (aOR = 1.88; 95% CI =1.18-2.99), and less like tobacco (aOR 1.94; 95% CI 1.23-3.05). Adjusted models did not show differences in perceptions between those who had tried TFN and those who were curious to try TFN. Young adults who were curious to try or had used TFN had more positive perceptions of TFN. As it is currently unclear whether synthetic nicotine carries the same health risks as TDN, ongoing surveillance of TFN uptake among young adults is warranted.Copyright © 2022 Elsevier Inc. All rights reserved.

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