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E-Cigarette Use and Intention to Initiate or Quit Smoking Among US Youths
Ji-Yeun Park1, Dong-Chul Seo1, Hsien-Chang Lin1
1Ji-Yeun Park and Hsien-Chang Lin are with the Department of Applied Health Science, Indiana University School of Public Health, Bloomington. Dong-Chul Seo is with the Department of Health Education and Management, College of Health Sciences, Ewha Womans University, Seoul, South Korea.
Objectives:
We assessed whether e-cigarette use is associated with (1) intention to smoke cigarettes among never-smoking youths and youth experimenters, and (2) intention to quit smoking among current youth smokers.
Methods:
We categorized participants from the 2012 National Youth Tobacco Survey data (n = 20 193) as never-smoking youth (n = 16 238), youth experimenters (n = 3248), and current youth smokers (n = 707). We matched groups on the basis of a propensity score comprising covariates predicting e-cigarette use.
Results:
E-cigarette users who had never smoked cigarettes (adjusted odds ratio [AOR] = 3.62; 95% confidence interval [CI] = 2.04, 6.45) and who had experimented with smoking (AOR = 1.99; 95% CI = 1.50, 2.64) had elevated intention to smoke cigarettes compared with their counterparts who had never used e-cigarettes. We did not find any significant association between e-cigarette use and intention to quit smoking among current youth smokers (P = .33).
Conclusions:
E-cigarette use among US youths is associated with intention to smoke but not with intention to quit smoking.
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