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Awareness and Use of E-cigarettes and Vaping Behaviors among Korean Adult Smokers: ITC 2016 Korean Study
J Korean Soc Res Nicotine Tob 2018; 9(Suppl S1): S11-S21
Published online January 31, 2018
© 2018 The Korean Society for Research on Nicotine and Tobacco.

Jisun Lim1, Jung Ah Lee1, Geoffrey T Fong2,3,4, Mi Yan2, Pete Driezen2, Hong Gwan Seo5, Hong Jun Cho1*

1Department of Family Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea,
2Department of Psychology, University Of Waterloo, Waterloo, Ontario, Canada,
3Ontario Institute for Cancer Research, Toronto, Ontario, Canada,
4School of Public Health and Health Systems, University Of Waterloo, Waterloo, Ontario, Canada,
5Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, Korea
Correspondence to: 조홍준
서울아산병원 가정의학과서울시 송파구 풍납동 388-1 (우)05505
Tel: 02-3010-3812 Fax: 02-3010-3815 E-mail: hjcho@amc.seoul.kr
Received June 27, 2017; Revised November 29, 2017; Accepted January 25, 2018.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
 Abstract
Background: This paper aimed to present proportion of awareness and use of e-cigarettes and vaping behaviors among adult smokers in South Korea.
Methods: We used data of current adult smokers participating in the International Tobacco Control (ITC) survey Korea in 2016. The frequency analysis and cross analysis were used to present the proportion of awareness, experience, current use, reasons for use and vaping behaviors of e-cigarettes, and logistic regression analysis was used to present factors associated with awareness, experience, and current e-cigarette use. All data were submitted to complex sample survey data analysis using SPSS version 23.0 (SPSS Inc., Chicago, IL, USA) and weighted to represent the Korean population.
Results: Out of 2000 adult smokers, the proportion of awareness, experience, and current use e-cigarettes were 93.8%, 33.8%, and 5.5%, respectively. In multivariable logistic regression analysis, younger age groups were associated with increased odds ratios (ORs) for awareness, higher consumption of tobacco and no past quit attempt were associated with increased ORs for experience, and higher income groups were associated with increased ORs for current use of e-cigarettes. The common reasons for using e-cigarettes were because of thinking that using e-cigarettes were more acceptable than smoking and less harmful to other people, and makes it easier to cut down on smoking. Most e-cigarette users vaped nicotine-contained e-cigarettes and bought them at e-cigarettes shop.
Conclusion: E-cigarette awareness and use increased among Korean smokers especially among higher income groups. Careful monitoring of behavior of using e-cigarettes is needed.
Keywords : Electronic cigarettes; Korean Adult; Awareness; Experience; Current use
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