Electronic Cigarette Use and Cigarette Abstinence Over 2 Years Among U.S. Smokers in the Population Assessment of Tobacco and Health Study

Abstract Introduction Electronic cigarettes (e-cigarettes) could benefit public health if they help current smokers to stop smoking long term, but evidence that they do so is limited. We aimed to determine the association between e-cigarette use and subsequent smoking cessation in a nationally representative cohort of US smokers followed for 2 years. Methods We analyzed data from adult cigarette smokers in Waves 1 through 3 of the Population Assessment of Tobacco and Health study. The primary exposure was e-cigarette use at Wave 1. The primary outcome was prolonged cigarette abstinence, defined as past 30-day cigarette abstinence at Waves 2 and 3 (1- and 2-year follow-up). Results Among Wave 1 cigarette smokers, 3.6% were current daily e-cigarette users, 18% were current non-daily e-cigarette users, and 78% reported no current e-cigarette use. In multivariable-adjusted analyses, daily e-cigarette use at Wave 1 was associated with higher odds of prolonged cigarette smoking abstinence at Waves 2 and 3 compared to nonuse of e-cigarettes (11% vs. 6%, adjusted odds ratio [AOR] = 1.77, 95% confidence interval [CI] = 1.08 to 2.89). Non-daily e-cigarette use was not associated with prolonged cigarette smoking abstinence. Among Wave 1 daily e-cigarette users who were abstinent from cigarette smoking at Wave 3, 63% were using e-cigarettes at Wave 3. Conclusions In this longitudinal cohort study of US adult cigarette smokers, daily but not non-daily e-cigarette use was associated with higher odds of prolonged cigarette smoking abstinence over 2 years, compared to no e-cigarette use. Daily use of e-cigarettes may help some smokers to stop smoking combustible cigarettes. Implications In this nationally representative longitudinal cohort study of US adult cigarette smokers, daily e-cigarette use, compared to no e-cigarette use, was associated with a 77% increased odds of prolonged cigarette smoking abstinence over the subsequent 2 years. Regular use of e-cigarettes may help some smokers to stop smoking combustible cigarettes.

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Faculty Opinions recommendation of A longitudinal cohort study of body mass index and childhood exposure to secondhand tobacco smoke and air pollution: the Southern California Children's Health Study.

Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature ◽

10.3410/f.725233321.793523296 ◽

2016 ◽

Author(s):

Sundeep Salvi

Keyword(s):

Body Mass Index ◽

Air Pollution ◽

Cohort Study ◽

Body Mass ◽

Tobacco Smoke ◽

Longitudinal Cohort Study ◽

Health Study ◽

Childhood Exposure ◽

Longitudinal Cohort ◽

Secondhand Tobacco Smoke

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Sexual-Orientation Disparities in Cigarette Smoking in a Longitudinal Cohort Study of Adolescents

Nicotine & Tobacco Research ◽

10.1093/ntr/nts114 ◽

2012 ◽

Vol 15 (1) ◽

pp. 213-222 ◽

Cited By ~ 74

Author(s):

H. L. Corliss ◽

B. M. Wadler ◽

H.-J. Jun ◽

M. Rosario ◽

D. Wypij ◽

...

Keyword(s):

Cohort Study ◽

Sexual Orientation ◽

Cigarette Smoking ◽

Longitudinal Cohort Study ◽

Longitudinal Cohort

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Design and Methods of the Apple Women’s Health Study: A Digital Longitudinal Cohort Study

American Journal of Obstetrics and Gynecology ◽

10.1016/j.ajog.2021.09.041 ◽

2021 ◽

Author(s):

Shruthi Mahalingaiah ◽

Victoria Fruh ◽

Erika Rodriguez ◽

Sai Charan Konanki ◽

Onnela Jukka-Pekka ◽

...

Keyword(s):

Cohort Study ◽

Women’S Health ◽

Women's Health ◽

Longitudinal Cohort Study ◽

Health Study ◽

Longitudinal Cohort ◽

Design And Methods

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P032 E-CIGARETTE AND CIGARETTE USE AMONG U.S. ADULT IBD PATIENTS: POPULATION-LEVEL SURVEY

Inflammatory Bowel Diseases ◽

10.1093/ibd/zaa010.159 ◽

2020 ◽

Vol 26 (Supplement_1) ◽

pp. S62-S63

Author(s):

Ryan Suk ◽

Heetae Suk ◽

Kalyani Sonawane ◽

Ashish Deshmukh

Keyword(s):

Cigarette Smoking ◽

Lung Injury ◽

Survey Design ◽

Population Level ◽

Cigarette Use ◽

Cigarette Smokers ◽

The Us ◽

Current Cigarette ◽

Lung Injuries ◽

Nationally Representative

Abstract Background Cigarette smoking can negatively affect treatment response in inflammatory bowel disease (IBD) patients, especially among those with Crohn’s disease (CD). E-cigarette has been considered a safer alternative to delivering nicotine for IBD patients who smoke. However, given the recent large number of reported e-cigarette-related lung injury cases, CDC released an interim guidance update on those lung injuries. They also coined a term EVALI (e-cigarette, or vaping, product use associated lung injury) emphasizing the possible harms in e-cigarette smoking. To the best our knowledge, we currently do not know the recent smoking habits in American IBD patients, especially when it reveals that e-cigarette use might cause serious lung injuries. Methods We used National Health Interview Survey (NHIS) for 2015–2016, which is a nationally representative survey for noninstitutionalized adults in the US. Weighted counts and percentages were estimated using survey design for the population-level results. We identified those who reportedly were told by a doctor or healthcare professional that they have IBD. We first estimated the prevalence of current e-cigarette or cigarette use among IBD patients. We then estimated the frequency of use (every day or some days) among the current users. We also categorized IBD patients into 4 groups by smoking type: those using e-cigarette only, cigarette only, using both, and neither. To see the characteristics of e-cigarette users, we stratified e-cigarette users by current/former/never cigarette use status. Results We identified 951 participants (population estimate: 3.1 million) with IBD. Among those people, 5.0% (95% CI: 3.1–6.9) was current e-cigarette users while 17.9% (95% CI: 14.8–21.0) was current cigarette smokers. Prevalence of every-day use and some-day use of e-cigarette was similar (2.4% vs 2.6%), while there was much higher prevalence of every-day use than some-day use in cigarette (15.3% vs 2.6%). Those who were using both e-cigarette and cigarette was 3.2% (Table). Majority of e-cigarette users were also currently using cigarette (63.6%, 95% CI: 48.9–78.3), while 32.7% (95% CI: 18.4–47.0) of them were former cigarette smokers. Only 3.7% (0.0–8.9) of them never used cigarettes. Conclusion While numerous studies show e-cigarette use is generally increasing rapidly in the US, we found that 5% of IBD patients are currently using e-cigarette. Almost two-thirds of them were also currently smoking cigarette and one-third of them were former smokers. It is possible that most of the e-cigarette users are still in the process of transitioning from cigarette smoking and thus using both types. We lack information on effects of using e-cigarette or both e-cigarette and cigarette in IBD treatment outcomes, as well as how e-cigarette use will complicate other health risks in IBD patients (e.g. lung injuries). We need further research on these effects to properly guide IBD patients who are in need of smoking cessation.

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