Factors associated with ever-use of e-cigarette among college students in the Republic of Korea
Ahn Na Lee 1  
,   Yu Seon Yang 2,   Joung Eun Lee 1,   Jae Hyung Kong 1,   Phil Ho Sun 1,   Mi Young Kim 1,   Ah Hyun Park 1,   Ji Hye Kim 1
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Korea Health Promotion Institute, National Tobacco Control Center, Korea, Republic of
Korea Health Promotion Institute, Korea, Republic of
Publication date: 2018-03-01
Tob. Induc. Dis. 2018;16(Suppl 1):A241
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Since e-cigarette was introduced into the global market, its use has become popular especially among young adults. But little is known about the prevalence and associated factors of e-cigarette use among young adults in Korea. The purpose of this study is to identify the factors associated with ever-use of e-cigarette among Korean college students.

A survey to collect the data for this study was distributed to 550 students in 5 universities in S city and K city from October to December 2016. Data from the survey which consists of self-reporting questionnaires were analyzed using binary logistic regression analysis. Ever-use of e-cigarette was assessed by asking "Have you ever used an e-cigarette?" (yes/no). The final sample for this study (n=399) included those who had ever heard of e-cigarette.

Among 399 students who had ever heard of e-cigarette, 68(17%) were e-cigarette ever-users. E-cigarette ever-use was higher among male students(OR=6.82, 95% CI=2.02, 23.02, p< 0.05), students living in dormitory(OR=10.19, 95% CI=1.16, 89.49, p< 0.05), whose father is a smoker(OR=58.41, 95% CI=8.70, 392.39, p< .001), who have the experience of past 2-week binge drinking(OR=43.78, 95% CI=5.61, 341.93, p< .001) and past 30-day cigarette smoking(OR=1.02, 95% CI=1.01, 1.03, p< .001).

This study showed significant association between e-cigarette ever-use and gender, residence type, father's smoking status, past 2-week binge drinking and past 30-day cigarette smoking. Associated factors of e-cigarette use should be considered for smoking prevention program for college students. To better understand the patterns and determinants of e-cigarette use among young adults in Korea, further studies are needed.