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Comparison of the Smoking Cessation Behaviors of Dual Users and Cigarette-Only Smokers
J Korean Soc Res Nicotine Tob 2019; 10(2): 80-88
Published online December 15, 2019
© 2019 The Korean Society for Research on Nicotine and Tobacco.

Sang Keun Hahm1, Eon Sook Lee2*

1Department of Family Medicine/Health Promotion Center, Hanil General Hospital, Seoul, 2Department of Family Medicine, Inje University, Ilsan-Paik Hospital, Goyang, Korea
Correspondence to: *씠뼵닕
씤젣븰援 쓽怨쇰븰 媛젙쓽븰援먯떎
Received November 12, 2019; Revised November 29, 2019; Accepted November 30, 2019.
This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, dis-tribution, and reproduction in any medium, provided the original work is properly cited.
Background: Some previous studies have claimed that electronic cigarette (e-cigarette) use is helpful in quitting smoking. However, this role of e-cigarettes remains uncertain because several current smokers use e-cigarettes as an alternative to tobacco smoking. The present study aimed to compare the quitting behaviors of dual users and cigarette-only smokers.
Methods: Data of 5,179 current smokers from the sixth and seventh Korea National Health and Nutrition Examination Surveys (2013–2017) were analyzed. Current smokers were divided into dual users and cigarette-only smokers based on e-cigarette use in the past month. Factors influencing e-cigarette use were investigated. Differences in the quitting behaviors between both groups were assessed using multivariate logistic regression analysis with STATA 11.0.
Results: Young age (<40 years) and smoking amount (>20 cigarettes/day) were associated with e-cigarette use. Nicotine replacement therapy (NRT) use in the past 5 days was associated with e-cigarette use [odds ratio (OR), 5.328; 95% confidence interval (CI), 2.377–11.941]. Dual users demonstrated higher quit attempts in the past year (OR, 1.600; 95% CI, 1.113–2.301). There was no difference between dual users and cigarette-only smokers in choosing an evidence-based quit method such as using a quit line or visiting a smoking cessation clinic. However, dual use was associated with use of NRT over the counter NRT use.
Conclusion: There are no differences in employing an evidence-based smoking cessation method between dual users and cigarette-only smokers, despite the higher quit attempts in dual users. Further evaluation of the effect of NRT use as a quitting method on dual users is warranted.
Keywords : Dual users; Electronic cigarette; Smoking cessation; Behavior; Nicotine
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