Prevalence of electronic cigarette use and its influencing factors among students of 3 universities in Wenzhou City,2021
Objective To investigate the current status of electronic cigarette(e-cigarette)use,secondhand smoke exposure and the factors influencing e-cigarette tries and current e-cigarette use among university students in Wenzhou City,and to provide a basis for tobacco control interventions among university students in Wenzhou City.Methods A random cluster sampling method was used to select 2,118 students from 3 universities in Wenzhou City,and then an anonymous self-filling questionnaire survey on behaviors related to e-cigarette use was conducted through scanning a QR code with a smartphone camera.We descriptively analyzed the status of university students who had used e-cigarettes and ones who were using e-cigarettes.Multivariate logistic regression analysis was employed to analyze the factors affecting the university students who had used e-cigarettes and ones who were using e-cigarettes.Results A total of 2,116 valid questionnaires were retrieved,with the effective response rate of 99.90％.Of all the university students surveyed,95.27％had heard about e-cigarettes,6.71％％reported that they had used e-cigarettes,and 1.65％reported that they were using e-cigarettes.There were statistically significant differences in the rates of e-cigarette tries and current e-cigarette use among student groups with different characteristics,and the two rates were higher in male students(11.11％,3.19％)than in female students(2.97％,0.35％),higher in junior college students(11.86％,3.28％)than in undergraduates(4.91％,1.08％),and higher in non-medical students(8.97％,2.57％)than in medical students(3.73％,0.44％).The rates of e-cigarette tries and current e-cigarette use were different among university students with different grades,and showed upward trends with the increase of grades.As for the e-cigarette sources,50.77％of the respondents reported that they used e-cigarettes from classmates or friends in the last time,23.08％bought from e-cigarette experience stores or e-cigarette retail stores,and 12.31％from online stores.The causes for e-cigarette use were to like certain flavors(27.69％),consider e-cigarettes with less harmfulness(15.38％)and quit smoking(13.85％).As for current e-cigarette users,fruit flavors were the most popular(50.00％),followed by tobacco flavor(22.22％)and herbal flavor(11.11％),and the average cost of the current e-cigarette users was 100 Yuan per month.Multivariate logistic regression analysis revealed that female students and having no teachers smoking on campus were the common protective factors for e-cigarette tries and current e-cigarette use.Undergraduates were the protective factor for e-cigarette tries compared with junior college students,while freshmen,sophomores and medical students were the protective factors for current e-cigarette use.34.69％of the surveyed students reported seeing teachers smoking on campus,of which 3.17％reported seeing teachers smoking on campus almost on a daily basis.Among the surveyed students,the proportions of having the awareness about adults'lung cancer(92.53％)and children'pulmonary diseases(91.12％)caused by secondhand smoke were higher than that of having the awareness about adults'cardiopathy(80.29％)caused by secondhand smoke.Conclusion The proportion of current e-cigarette use in the university students surveyed in Wenzhou City increased.Junior colleges and non-medical colleges are the key units for tobacco control,and senior male students the key group for tobacco control.Active promoting the legislation of smoking ban in public places in Wenzhou City can effectively reduce the harmfulness of secondhand smoke.It is conducive to reducing the generation of new smokers through strengthening the construction of smoke-free campuses,enhancing the publicity regarding harmfulness of e-cigarettes,and prohibiting or delaying the teenagers'attempt of e-cigarettes.
university studentsmokingelectronic cigaretteinfluencing factor
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