A study on the dual use of e-cigarettes and cigarettes among adolescents in Shandong Province
Objective To understand the current status and its associated factors of dual use of e-cigarettes and cigarettes among adolescents in Shandong Province and explore the reasons for dual use behavior.Methods A self-administered survey was conducted among 7 999 middle school students who were selected by stratified multi-stage cluster sample method.Data were weighted and analyzed by the SPSS 25.0 complex program.Results In Shandong Province,the prevalence rates of attempting and current dual use of e-cigarettes and cigarettes among adolescents appeared as 7.7％and 1.3％,respectively.Male,friends smoking,and secondhand smoke exposure in the past 7 days were risk factors for dual use.Compared with cigarette smokers,dual users have no differences in cognition and behavior in quitting smoking(P＞0.05).The main reason for dual users to smoke e-cigarettes was curiosity.Conclusions Dual use of e-cigarettes and cigarettes is common among adolescents in Shandong Province,and its influencing factors are similar to traditional cigarettes.Dual use is not a transitional stage for smoking cessation.Dual users are more likely to continue smoking in the future,which should be paid attention and concern.
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