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KMID : 1231220210120020043
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Journal of the Korean Society for Research on Nicotine and Tobacco
2021 Volume.12 No. 2 p.43 ~ p.52
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Electronic Cigarette and Smoking Cessation among Korean Adults: The Seventh Korea National Health and Nutrition Examination Survey (2016-2018)
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Seo Yoo-Bin
Lee Eon-Sook
Lee Jun-Hyung
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Abstract
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Background: Numerous smokers use electronic cigarettes (e-cigarettes) to stop or reduce smoking. However, the role of e-cigarette use in smoking cessation remains uncertain. Thus, this study aimed to investigate the relationship between e-cigarette use and smoking cessation in Korean adults.
Methods: The data of 6,915 ever smokers from the seventh Korea National Health and Nutrition Examination Survey (KNHANES, 2016?2018) were analyzed. The ever smokers were categorized as “never,” “former,” and “current” e-cigarette users. Multivariable logistic regression adjusted for sociodemographic factors, alcohol consumption, and stress perception was used to examine the relationship between e-cigarette use and smoking cessation.
Results: Ever e-cigarette smokers were negatively associated with quitting smoking for 1 month or more (odds ratio [OR]=0.30, 95% confidence interval [CI]: 0.24-0.36, P＜0.001) and smoking cessation for 1 year or more (OR=0.20, 95% CI: 0.16-0.25, P＜0.001). For current e-cigarette users, the ORs for smoking cessation for 1 month or more and 1 year or more were 0.14 (95% CI: 0.10-0.22, P＜0.001) and 0.07 (95% CI: 0.04-0.12, P＜0.001), respectively, compared with those who never used e-cigarettes. Regarding that e-cigarette was launched in 2007, we also analyzed for ever cigarette smokers excluding former smokers who stopped smoking since 2007. The negative correlation between e-cigarette use and cigarette cessation sustained.
Conclusion: The usage of e-cigarettes is common among smokers. Furthermore, current e-cigarette users displayed more attempts to quit smoking than cigarette-only smokers. However, e-cigarette use is negatively associated with smoking cessation. Further prospective studies are required to evaluate nicotine dependence and biochemical markers linked to e-cigarette use.
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KEYWORD
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Electronic cigarette, Smoking cessation, Quitting, Cessation
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