ArticleFrontiers in public health2026
Vaping and smoking trajectories among youth and adults in the United States across the period 2014-2022.
Article in Frontiers in public health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Multiple occurrences in the United States may have impacted trajectories (i.e., transitions over time) in the use of electronic nicotine delivery systems (ENDS) and cigarette smoking in the population over time. We examine youths' trajectories in ENDS use and adults' trajectories in cigarette smoking across two periods: 2014-2016-2017; 2019-2021-2022. Methods: We analyzed longitudinal Population Assessment of Tobacco and Health (PATH) Study data from youth ages 12-17 in 2014 ( Results: Among youth, rates of progression from less frequent to frequent ENDS use were 23 and 35% across two periods: 2014-2016-2017; 2019-2021-2022, respectively; rates of maintaining frequent ENDS use were 13 and 51% across two periods: 2014-2016-2017; 2019-2021-2022, respectively. Among adults who smoked cigarettes and used ENDS frequently, 23 and 42% discontinued smoking across two periods: 2014-2016-2017; 2019-2021-2022, respectively. Conclusions: Across the period 2019-2021-2022, the number of youths in 2019 who used ENDS frequently in 2022 was 1.6 million, while the number of adults who smoked cigarettes in 2019 who used ENDS frequently in 2019, and stopped smoking cigarettes in 2022, was 1.6 million. The population-level impact of ENDS in the US appears greater since the significant evolution in the ENDS market, including the rise in popularity of salt-based nicotine ENDS, the coronavirus disease 2019 (COVID-19) pandemic, and various tobacco control policies.
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