Toward a Better Understanding of Adult Dual Use of Cigarettes and E-cigarettes Based on Use Intensit
Tuesday, October 25, 2022
Posted by: Natalia Gromov
Lee
SH, Han DH, Seo DC.
Toward a Better
Understanding of Adult Dual Use of Cigarettes and E-cigarettes Based on Use
Intensity and Reasons for Dual Use.
[published online ahead of print, 2022 Oct 7]. Addict Behav. 2022;137:107517.
doi:10.1016/j.addbeh.2022.107517
Background. Dual
use of combustible cigarettes and e-cigarettes is an emerging phenomenon among
U.S. adults. Literature suggests two primary reasons for this emerging use
(i.e., to help quit smoking and to stealth vape). This study investigated user
profiles based on use intensity and the reasons for dual use.
Methods. A
total of 1,151 U.S. adult dual users were drawn from the 2018-2019 Tobacco Use
Supplement to the Current Population Survey. We divided them into four groups:
daily dual users (n = 189), predominant smokers (n = 608), predominant vapers
(n = 143), and non-daily dual users (n = 211). We performed weighted
multivariable logistic regressions to identify factors associated with the two
primary reasons for dual use.
Results. 3
in 10 of U.S. adult dual users used e-cigarettes to help quit smoking while 2
in 10 of U.S. adult dual users used e-cigarettes to stealth vape. Compared to
daily dual users, predominant smokers [adjusted odds ratio (AOR) = 0.61, 95% CI
= 0.23, 0.62] were less likely to use e-cigarettes to help quit smoking whereas
predominant vapers (AOR = 1.80, 95% CI = 1.04, 3.13) were more likely to use
e-cigarettes to help quit smoking and less likely to use e-cigarettes to
stealth vape (AOR = 0.30, 95% CI = 0.10, 0.89).
Conclusions. There
was notable heterogeneity among the four groups of dual users. As the landscape
of tobacco use is rapidly changing with an increasing popularity of
e-cigarettes, reasons as well as behaviors of dual users need to be regularly
monitored for effective tobacco control.
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