Objective: To understand the awareness, current or past behavior on electronic cigarette smoking (ECS) and associated factors, among adults aged ≥15 years old in Shandong province. Relationship between ECS and cessation of smoking was also studied. Methods: Using the global standard questionnaire, a cross-sectional survey was conducted among 6 401 adults selected by stratified multi-stage cluster sample method. Electronic data was collected by handheld computer. Data were weighted and analyzed by SPSS 19.0 complex program. Results: The prevalence rates of awareness, ever or current smoking of e-cigarettes appeared as 37.6%, 3.8% and 0.6% respectively. Data from logistic regression analysis showed that risk factors for ECS were living in urban area, at younger age, being current or former cigarettes smoker and with knowledge on the risks of smoking or being encouraged to stop smoking. Among the electronic cigarettes smokers, those who tried to quit smoking (30.1%) had a significantly higher rate than that of the non-smokers (19.5%) (P<0.05), however, the successful quitting rate was much lower than that in the non-ECS users (P<0.05). Conclusions: Rates on the awareness and uptake of electronic cigarettes are on the rise. It is necessary to strengthen and standardize the monitoring programs to provide evidence for setting up targeting intervention strategies.
目的： 了解山东省≥15岁居民对电子烟的知晓和使用情况，分析其影响因素，探讨电子烟使用和戒烟的关系，为进一步开展电子烟相关研究提供初步数据。 方法： 使用全球成人烟草调查标准问卷，采用分层多阶段整群概率抽样法，在山东省抽取6 401名调查对象，用掌上电脑进行电子数据采集，对样本进行复杂加权后，使用复杂抽样模块对数据进行分析。 结果： 调查对象电子烟知晓率为37.6%，曾经使用率为3.8%，现在使用率为0.6%。Logistic回归分析显示居住地为城市、年龄较小、现在或以前吸烟、看到过吸烟危害或者鼓励戒烟的信息是吸电子烟的危险因素。电子烟使用者的尝试戒烟率（30.1%）明显高于不使用者（19.5%）（P<0.05），但戒烟率却远远低于不使用者（P<0.05）。 结论： 电子烟的知晓率和使用率呈上升的趋势，需引起社会的广泛关注，下一步应加强并规范电子烟使用情况的监测，为制定有针对性的干预措施提供依据。.
Keywords: Electronic cigarette; Influence factors; Prevalence.