Abstract：Objective To investigate the influencing factors for attempted electronic cigarette (e-cigarette) use among middle school students, so as to provide insights into e-cigarette prevention and control among middle school students. Methods From August to October 2023, students from twelve middle schools in two counties (cities, districts) in Shaoxing City, Zhejiang Province were selected by using the multi-stage random cluster sampling method. Data of demographics, awareness of tobacco harm, exposure to tobacco advertising and tobacco control information, smoking status, secondhand smoke exposure and attempted e-cigarette use were collected by the China Youth Tobacco Survey Questionnaire. Factors affecting attempted e-cigarette use among middle school students were analyzed by a multivariable logistic regression model. Results A total of 1 938 middle school students were surveyed, including 1 068 males (55.11%) and 870 females (44.89%). The rate of attempted e-cigarette use was 3.46%. The primary ages for the first attempt to use e-cigarettes were 12 to 13 years (22 students, 32.84%). Multivariable logistic regression analysis showed that middle school students who were male (OR=2.040, 95%CI: 1.066-3.907), had pocket money (OR=2.264, 95%CI: 1.294-3.963), were current smokers (OR=5.758, 95%CI: 1.649-20.107), believed smoking made young people more attractive (OR=3.211, 95%CI: 1.295-7.965), did not get tobacco control messages (OR=2.752, 95%CI: 1.526-3.963), had friends smoking (OR=7.662, 95%CI: 4.239-13.850), saw teachers smoking (OR=2.563, 95%CI: 1.072-6.124) and were exposed to secondhand smoke in indoor public places (OR=2.179, 95%CI: 1.218-3.900) had a higher likelihood of attempted e-cigarette use. Conclusion The attempted e-cigarette use among middle school students are influenced by gender, pocket money, current smoking, belief that smoking makes young people more attractive, tobacco control messages, friends smoking, teachers smoking and secondhand smoke exposure in indoor public places.
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