Dataset Information

Adult Use of and Transitions From Nicotine and Non-nicotine-Containing E-cigarettes: Data From the Population Assessment of Tobacco and Health (PATH) Study, 2013-2016.

ABSTRACT: INTRODUCTION:Studies largely focus on nicotine-containing e-cigarettes (NiCE) though non-nicotine-containing e-cigarettes (NoCE) exist; NoCE prevalence and patterns of use are largely unknown. This study examines self-reported prevalence and patterns of NiCE/NoCE use. METHODS:We analyzed adult (18+ years) data from the Population Assessment of Tobacco and Health (PATH) study from Wave 1 (2013-2014, n = 32,320), Wave 2 (2014-2015, n = 28,632), and Wave 3 (2015-2016, n = 28,148). We test associations between Wave 1 self-reported current NoCE/NiCE use status and demographic characteristics and assess the proportion of self-reported current NoCE/NiCE users at Wave 1 or Wave 2 who continue to use NoCE or NiCE, switch to NiCE or NoCE, discontinue e-cigarette use, switch to use other nicotine products (ONP), or add ONP use 1 year later (i.e., at Wave 2 or 3). RESULTS:Maintaining the same self-reported NiCE/NoCE and ONP use status 1 year later was the most common use pattern between waves. However, 15.65% of exclusive NoCE users in Wave 2 transitioned to NoCE plus nicotine product use in Wave 3. Also, some exclusive NoCE users transitioned to exclusive NiCE use (17.77% Waves 1-2; 11.55% Waves 2-3). DISCUSSION:Some exclusive NoCE users transitioned to NiCE or added nicotine product use, suggesting there may be other factors (e.g., familiarity with using an aerosolizing device) in addition to the presence of nicotine in influencing initiation or sustained use of nicotine products. IMPLICATIONS:Studies largely focus on nicotine-containing e-cigarettes (NiCE) though non-nicotine-containing e-cigarettes (NoCE) exist; this study adds to the literature by describing demographic characteristics and tobacco use of adult self-reported NoCE users. In addition, the study examines transitions in self-reported NoCE/NiCE use, revealing that some exclusive NoCE users transition to other nicotine product use 1 year later.

SUBMITTER: Nguyen Zarndt A

PROVIDER: S-EPMC7291802 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature

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Adult Use of and Transitions From Nicotine and Non-nicotine-Containing E-cigarettes: Data From the Population Assessment of Tobacco and Health (PATH) Study, 2013-2016.

Nguyen Zarndt Anh A Donaldson Elisabeth A EA Bernat Jennifer K JK Henrie James A JA Portnoy David B DB

Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco 20200601 7

<h4>Introduction</h4>Studies largely focus on nicotine-containing e-cigarettes (NiCE) though non-nicotine-containing e-cigarettes (NoCE) exist; NoCE prevalence and patterns of use are largely unknown. This study examines self-reported prevalence and patterns of NiCE/NoCE use.<h4>Methods</h4>We analyzed adult (18+ years) data from the Population Assessment of Tobacco and Health (PATH) study from Wave 1 (2013-2014, n = 32,320), Wave 2 (2014-2015, n = 28,632), and Wave 3 (2015-2016, n = 28,148). We ...[more]

PMID: 31774123

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Project description:BACKGROUND:Electronic cigarettes (e-cigarettes) have been characterised as significantly less harmful than cigarettes by many health agencies and regulators globally. In this study, we examined to what extent perceived relative harms of e-cigarettes compared to cigarettes have changed in the USA. METHODS:We analysed the data from the longitudinal and nationally representative, Population Assessment of Tobacco and Health Study to assess the relative perceived harm of e-cigarettes amongst US adults between 2013 and 2016. RESULTS:The proportion of US adults who correctly perceived e-cigarettes as less harmful than cigarettes decreased each year from 41.1% (CI 40.1-42.1%) in 2013-2014, 31.5% (CI 30.8-32.2%) in 2014-2015 and 25.3% (CI 24.6-26.0%) in 2015-2016. Concurrently, the proportion of US adults who perceived e-cigarettes as equally, or more, harmful than cigarettes increased from 53.7% (CI 52.3-55.1%), 64.9% (CI 63.6-66.2%) to 72.7% (CI 71.5-73.9%) respectively. The proportion of US adults who held negative relative harm perceptions of e-cigarettes increased regardless of current smoking or vaping status by 24.6% and 29.6% respectively within 3 years. In Wave 3, the proportion of current smokers who perceived the relative harm of e-cigarettes as less harmful was lower at 29.3% (CI 28.2-30.4%) compared to current e-cigarette users at 43.5% (CI 40.3-46.7%). Former smokers who used e-cigarettes and believed that they were equally, or more, harmful than cigarettes in 2014-2015 had significantly higher rates of smoking relapse in the following year, 29% and 37% (p < 2.2e-16), respectively, compared to those with positive relative harm perceptions who reported relapse rates of 19%. CONCLUSIONS:In this study, the proportion of US adults who incorrectly perceived e-cigarettes as equal to, or more, harmful than cigarettes increased steadily regardless of smoking or vaping status. Current adult smokers appear to be poorly informed about the relative risks of e-cigarettes yet have potentially the most to gain from transitioning to these products. The findings of this study emphasise the urgent need to accurately communicate the reduced relative risk of e-cigarettes compared to continued cigarette smoking and clearly differentiate absolute and relative harms. Further research is required to elucidate why the relative harm of e-cigarettes is misunderstood and continues to deteriorate.

Project description:IntroductionThe Population Assessment of Tobacco and Health (PATH) Study is a longitudinal cohort study on tobacco use behavior, attitudes and beliefs, and tobacco-related health outcomes, including biomarkers of tobacco exposure in the U.S. population. In this report we provide a summary of urinary nicotine metabolite measurements among adult users and non-users of tobacco from Wave 1 (2013-2014) of the PATH Study.MethodsTotal nicotine and its metabolites including cotinine, trans-3'-hydroxycotinine (HCTT), and other minor metabolites were measured in more than 11 500 adult participants by liquid chromatography tandem mass spectrometry methods. Weighted geometric means (GM) and least square means from statistical modeling were calculated for non-users and users of various tobacco products.ResultsAmong daily users, the highest GM concentrations of nicotine, cotinine and HCTT were found in exclusive smokeless tobacco users, and the lowest in exclusive e-cigarette users. Exclusive combustible product users had intermediate concentrations, similar to those found in users of multiple products (polyusers). Concentrations increased with age within the categories of tobacco users, and differences associated with gender, race/ethnicity and educational attainment were also noted among user categories. Recent (past 12 months) former users had GM cotinine concentrations that were more than threefold greater than never users.ConclusionsThese urinary nicotine metabolite data provide quantification of nicotine exposure representative of the entire US adult population during 2013-2014 and may serve as a reference for similar analyses in future measurements within this study.ImplicationsNicotine and its metabolites in urine provide perhaps the most fundamental biomarkers of recent nicotine exposure. This report, based on Wave 1 of the Population Assessment of Tobacco and Health (PATH) Study, provides the first nationally representative data describing urinary nicotine biomarker concentrations in both non-users, and users of a variety of tobacco products including combustible, e-cigarette and smokeless products. These data provide a urinary biomarker concentration snapshot in time for the entire US population during 2013-2014, and will provide a basis for comparison with future results from continuing, periodic evaluations in the PATH Study.

Project description:IntroductionA common criterion for being labeled a "never smoker" is having smoked <100 lifetime cigarettes. This category is often used as an unexposed reference group to estimate the relative harm from cigarettes. We examined the amount of current and past cigarette and non-cigarette tobacco/nicotine use among adults who met this "never smoker" criterion.MethodsWe analyzed cross-sectional data from 17 179 adult "never smokers" (ie, reported <100 lifetime cigarettes) in Wave 4 (2016-2018) of the Population Assessment of Tobacco and Health (PATH) Study, a United States nationally representative sample. We used PATH-derived variables to describe "never smokers'" demographics as well as cigarette and non-cigarette tobacco/nicotine use.ResultsApproximately half of "never smokers" were young adults (49.3%). Most were white (68.6%) with some college or more (64.4%). Most "never smokers" had tried any cigarette or non-cigarette tobacco/nicotine in their lifetime (66.7%), 8.5% smoked cigarettes in the past 30 days, and 5.3% were current experimental (ie, some days or every day) cigarette smokers. By definition, "never smokers" reported smoking <100 lifetime cigarettes. One fifth (22.8%) had a lifetime history of established regular non-cigarette tobacco/nicotine use and 8.6% were current established regular non-cigarette tobacco/nicotine users. In total, 9.4% of "never smokers" were current experimental or established regular users of combustible tobacco.ConclusionsThe 100-cigarette lifetime threshold includes substantial amounts of current and past tobacco use and thus does not represent lack of exposure to cigarette or non-cigarette tobacco. "Never smoker" reference groups may produce underestimates of the relative harms from cigarettes.ImplicationsThe <100 lifetime cigarettes criterion may not capture what many would consider true "never smokers." Relying on the current definition of "never smokers" as a reference group will include a substantial number of those currently and recently using combustible tobacco and thus produce data that may underestimate the relative harm from cigarettes. Prospective longitudinal research is needed to compare how the 100-cigarette lifetime threshold versus other definitions of regular cigarette smoking differ in predictive validity of clinically meaningful outcomes and health harms to determine the optimal criteria to define established cigarette smoking.

Project description:IntroductionPain has been implicated in the onset and maintenance of nicotine addiction, and there is initial cross-sectional evidence of covariation between pain and the use of cigarettes and e-cigarettes. The goals of the current study were to: (1)test pain severity as a predictor of initiating co-use of cigarettes and e-cigarettes, (2)examine longitudinal associations between pain and use/co-use of cigarettes and e-cigarettes, (3)generate the first prevalence rate data regarding cigarette and e-cigarette use as a function of pain, and (4)examine gender as a moderator of these associations.Aims and methodsData were drawn from Waves 1-4 of the Population Assessment of Tobacco and Health Study (2013-2018).ResultsAmong exclusive cigarette smokers at Wave 1 (n = 7719), pain severity was associated with a greater likelihood of and faster trajectory to initiating co-use of cigarettes and e-cigarettes (ps < .05). A significant pain × gender interaction (p < .05) revealed this prospective relationship was stronger among women. Among adult respondents who provided at least three waves of data (n = 24 255), greater Wave 1 pain severity was positively associated with e-cigarette use, cigarette smoking, and co-use of cigarettes and e-cigarettes at Waves 2, 3, and 4 (ps < .001). At Wave 4 (n = 33 822), adults with moderate or severe pain endorsed rates of e-cigarette and cigarette use almost two times greater versus no or low pain (ps < .001).ConclusionsCollectively, these findings provide evidence that pain likely serves as an important candidate risk factor for the initiation and maintenance of cigarette and e-cigarette use.ImplicationsThis is the first prospective study to show that pain serves as an important risk factor for initiation and maintenance of cigarette and e-cigarette use over time. Weighted prevalence estimates further demonstrated that individuals with moderate or severe pain endorsed rates of cigarette and e-cigarette use and co-use approximately two times greater compared to those with no or low pain. These findings highlight a subpopulation of nicotine users more susceptible to greater healthcare burden, nicotine dependence, and physical impairment. Nicotine users with comorbid pain may benefit from integrated interventions that address pain in the context of cessation.

Dataset Information

Adult Use of and Transitions From Nicotine and Non-nicotine-Containing E-cigarettes: Data From the Population Assessment of Tobacco and Health (PATH) Study, 2013-2016.

Publications

Adult Use of and Transitions From Nicotine and Non-nicotine-Containing E-cigarettes: Data From the Population Assessment of Tobacco and Health (PATH) Study, 2013-2016.

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