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Cigarette smokers’ concurrent use of smokeless tobacco: dual use patterns and nicotine exposure

Citation

Felicione, NJ and Ozga-Hess, JE and Ferguson, SG and Dino, G and Kuhn, S and Haliwa, I and Blank, MD, Cigarette smokers' concurrent use of smokeless tobacco: dual use patterns and nicotine exposure, Tobacco Control, 30 pp. 24-29. ISSN 0964-4563 (2020) [Refereed Article]

Copyright Statement

Copyright 2020 The Authors

DOI: doi:10.1136/tobaccocontrol-2019-055345

Abstract

Background: The concurrent use of cigarettes with other tobacco products, such as smokeless tobacco (SLT), is increasingly common. Extant work with cigarette smokers who also use SLT is based heavily on retrospective reports and between-group comparisons. The purpose of this study was to assess prospectively the patterns of dual users’ product use and nicotine exposure on days when cigarettes were smoked exclusively (single use) versus concurrently with SLT (dual use).

Design: Forty-six dual cigarette-SLT users recorded their product use in real time via ecological momentary assessment for a 2-week longitudinal design. They responded to questions about situational factors (eg, location, mood) using this same diary, and collected saliva samples each night for later cotinine measurement. At the end of this 2-week period, users reported on their reasons for and beliefs about SLT use.

Results: levels were significantly higher on dual versus single use days (mean±SEM=374.48±41.08 ng/ mL vs 300.17±28.13 ng/mL, respectively; p<0.01), and the number of cigarettes logged was higher on dual versus single use days (11.13±0.98 vs 9.13±1.11, respectively; p<0.01). Product use was distinguished by situational factors, with the strongest predictor being location of use. Moreover, the most common reason for initiating (56.52%) and continuing (67.39%) SLT use was to circumvent indoor smoking restrictions.

Conclusions: Results support the idea of product supplementation rather than replacement among this convenience sample of dual users. For smokers whose primary motivation for SLT use involves situations where they would otherwise be tobacco free, the potential benefits of clean indoor air laws may be diminished.

Item Details

Item Type:Refereed Article
Keywords:dual use, tobacco, smokeless tobacco
Research Division:Health Sciences
Research Group:Public health
Research Field:Health promotion
Objective Division:Health
Objective Group:Public health (excl. specific population health)
Objective Field:Public health (excl. specific population health) not elsewhere classified
UTAS Author:Ferguson, SG (Professor Stuart Ferguson)
ID Code:137447
Year Published:2020
Deposited By:Medicine
Deposited On:2020-02-14
Last Modified:2021-05-27
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