Currently, the debate surrounding the regulation of e-cigarettes focuses mainly on the size of e-cigarettes' potentially beneficial effects (i.e., adult cessation) versus their unwarranted effects (i.e., initiation among tobacco-naïve adolescents). Therefore, we investigated the relative scale of e-cigarette use transitions in the United States. We reported cross-sectional weighted prevalence estimates of past-month e-cigarette use by ever cigarette use from Waves 1-4 of the Population Assessment of Tobacco and Health study (2013-2018) among youth (12-17 years) and adults (≥ 18 years). We also examined past-month e-cigarette mono and dual transitions related to cigarette smoking and reported the longitudinal weighted prevalence across waves. Among youth new e-cigarette users, the proportion of never-cigarette smokers increased from 24.1 in Wave 1 (n = 418) to 51.4% in Wave 4 (n = 310) (p < 0.0001 for trend). Of youth past-month e-cigarette mono-users in Wave 1 (n = 151), 15.2% transitioned to cigarette mono-use and 8.2% dual-use at Wave 2 or 3 or 4, compared to 60.2% no tobacco use and 16.4% e-cigarette mono-use. Among young adult past-month dual-users (18-24 years; n = 684), 22.6% transitioned to no tobacco use, 60.1% continued cigarette use, 11.4% dual use, and 5.9% e-cigarette mono-use. Among adult dual-users ≥ 25 years old (n = 1560), 13.6% transitioned to no tobacco use, 71.3% cigarette mono-use, 9.0% dual-use, and 6.1% e-cigarette mono-use. Transition to cigarette mono-use and continued dual-use were common among adult past-month e-cigarette users, while e-cigarette initiation was common among youth never-cigarette smokers. These findings contrast with data from other countries showing limited evidence of e-cigarette initiation among youth never cigarette smokers. Both e-cigarette and cigarette use should be addressed in youth and adults, given the potential for dual use in both populations.
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http://dx.doi.org/10.1007/s10935-022-00678-z | DOI Listing |
Drug Alcohol Depend
November 2024
Center for the Study of Tobacco Products, Virginia Commonwealth University, Richmond, VA, USA; Department of Psychology, Virginia Commonwealth University, Richmond, VA, USA.
Introduction: Electronic nicotine delivery system (ENDS) product standards for nicotine flux (nicotine emitted/second), combined with limiting puff duration, could control nicotine dose and support ENDS regulations. We assessed behavioral and subjective abuse liability indices for ENDS varying in nicotine flux with fixed puff duration among people who smoke.
Methods: This within-subjects study included 32 adults who smoked cigarettes.
Subst Use Misuse
December 2024
Division of Epidemiology, Department of Family Medicine and Population Health, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA.
Addict Behav
February 2025
British Columbia Cancer Research Institute, Department of Integrative Oncology, Canada.
Background: Given the many nicotine and tobacco products in use, studies of the interdependence of use patterns and transitions are needed.
Methods: Using Waves 1-4 of the PATH Study, we analyzed latent transitions among adults who ever regularly used nicotine or tobacco products at Wave 1 to identify latent use states (n = 12,358) and estimated one-wave transition probabilities. Multinomial logistic regression identified demographic factors associated with transitions.
Cancer Metastasis Rev
November 2024
Department of Pathology, Yale University School of Medicine, 310 Cedar Street, New Haven, CT, 06510, USA.
Tumor metastasis is the primary cause of cancer-related mortality and remains a major hurdle in cancer treatment. Traditional cigarette smoking has been extensively studied for its role in promoting metastasis. However, the impact of e-cigarette (e-cig) on cancer metastasis is not well understood despite their increasing popularity as a supposedly safer alternative.
View Article and Find Full Text PDFPLoS One
November 2024
Department of Health Policy & Behavioral Sciences, School of Public Health, Georgia State University, Atlanta, Georgia, United States of America.
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