Association between Peer Cigarette Smoking and Electronic Cigarette Smoking among Adolescent Nonsmokers: A National Representative Survey.
We assessed the association between electronic cigarette (e-cigarette) use and peer cigarette smoking, a major risk factor for the initiation of cigarette smoking in adolescents. Data from the 2013 Korea Youth Risk Behavior Web-based Survey of 65,753 nonsmokers aged 13-18 years were analyzed using multiple logistic regression. A total of 3.8% of the Korean adolescents were 'ever e-cigarette' users and 1.2% were current users. Adjusted odds ratios (ORs) for current and ever e-cigarette use compared to those whose closest friends were non-smokers ranged from 2.05 (95% confidence interval [CI], 1.82-2.30) to 5.50 (95% CI, 4.77-6.34), and from 2.23 (95% CI, 1.77-2.81) to 7.82 (95% CI, 5.97-10.25) for those who had 'some' close friends to 'most/all' friends who smoked, respectively. The slopes of the adjusted ORs for e-cigarette use in 'never smokers' were more than twice as steep as those in 'former smokers', showing a significant interaction effect between the proportion of smoking closest friends and cigarette smoking status (never or former smokers) (p<0.001 for interaction). Peer cigarette smoking had a significant association with e-cigarette use in adolescent nonsmokers, and this association was greater on never smokers than former smokers.
Department of Preventive Medicine, Catholic University of Daegu School of Medicine, Daegu, Republic of Korea.
Jun Hyun
JH
Hwang
Department of Preventive Medicine, Catholic University of Daegu School of Medicine, Daegu, Republic of Korea.
Soon-Woo
SW
Park
D000293:Adolescent; D066300:Electronic Nicotine Delivery Systems / Q000706:statistics & numerical data; D005260:Female; D006801:Humans; D008297:Male; D010379:Peer Group; D056910:Republic of Korea / Q000453:epidemiology; D012907:Smoking / Q000453:epidemiology* / Q000523:psychology; D011795:Surveys and Questionnaires
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