Indicators of cigarette smoking dependence and relapse in former smokers who vape compared with those who do not: findings from the 2016 International Tobacco Control Four Country Smoking and Vaping Survey.

Publisher: Wiley-Blackwell Country of Publication: England NLM ID: 9304118 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1360-0443 (Electronic) Linking ISSN: 09652140 NLM ISO Abbreviation: Addiction Subsets: MEDLINE

Publication: Oxford : Wiley-Blackwell
Original Publication: Abingdon, Oxfordshire, UK : Carfax Pub. Co., c1993-

Motivation*; Smoking Cessation/*psychology ; Vaping/*psychology; Adult ; Aged ; Attitude to Health ; Australia ; Canada ; Cross-Cultural Comparison ; England ; Female ; Health Surveys ; Humans ; Male ; Middle Aged ; Risk Assessment ; Smoking/adverse effects ; United States ; Young Adult

Background and Aims: It has been proposed that many smokers switch to vaping because their nicotine addiction makes this their only viable route out of smoking. We compared indicators of prior and current cigarette smoking dependence and of relapse in former smokers who were daily users of nicotine vaping products ('vapers') or who were not vaping at the time of survey ('non-vapers').
Design: Cross-sectional survey-based comparison between vaping and non-vaping former smokers, including a weighted logistic regression of vaping status onto predictor variables, adjusting for covariates specified below.
Setting: United States, Canada, Australia and England.
Participants: A total of 1070 people aged 18+ years from the 2016 International Tobacco Control (ITC) Four Country Smoking and Vaping Wave 1 Survey who reported having ever been daily smokers but who stopped less than 2 years ago and who were currently vapers or non-vapers.
Measurements: Dependent variable was current vaping status. Predictor variables were self-reported: (1) smoking within 5 minutes of waking and usual daily cigarette consumption, both assessed retrospectively; (2) current perceived addiction to smoking, urges to smoke and confidence in staying quit. Covariates: country, sample sources, sex, age group, ethnicity, income, education, current nicotine replacement therapy use and time since quitting.
Findings: Vapers were more likely than non-vapers to report: (1) having smoked within 5 minutes of waking [34.3 versus 15.9%, adjusted odds ratio (aOR) = 3.74, 95% confidence interval (CI) = 1.99, 7.03), χ ²  = 16.92, P < 0.001]; having smoked > 10 cigarettes/day (74.4 versus 47.2%, aOR = 4.39, 95% CI = 2.22, 8.68), χ ²  = 18.18, P < 0.001); (2) perceiving themselves to be still very addicted to smoking (41.3 versus 26.2%, aOR = 2.89, 95% CI = 1.58, 5.30, χ ²  = 11.87, P < 0.001) and feeling extremely confident about staying quit (62.1 versus 36.6%, aOR = 3.22, 95% CI = 1.86, 5.59, χ ²  = 17.36, P < 0.001). Vapers were not more likely to report any urges to smoke than non-vapers (27.7 versus 38.8%, aOR = 0.86, 95% CI = 0.44, 1.65, χ ²  = 0.21, P = 0.643).
Conclusions: While former smokers who currently vape nicotine daily report higher levels of cigarette smoking dependence pre- and post-cessation compared with former smokers who are current non-vapers, they report greater confidence in staying quit and similar strength of urges to smoke.
(© 2019 Society for the Study of Addiction.)

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APP1106451 International National Health and Medical Research Council of Australia; International Ontario Institute for Cancer Research; FDN 148477 Canada CIHR; P01 CA200512 United States CA NCI NIH HHS

Keywords: Former smokers; nicotine; non-vaping; relapse prevention; vapers; vaping

Date Created: 20190622 Date Completed: 20201028 Latest Revision: 20231113

20240104

PMC7065300

10.1111/add.14722

31225672