Analysis of prevalence status and influencing factors of e-cigarette use among secondary school students in Heilongjiang Province
Objective To describe the current situation and influencing factors of e-cigarette use among secondary school students in Heilongjiang Province to provide evidence for formulating provincial youth e-cigarette prevention and control strategies.Methods A multi-stage stratified cluster probability sampling method was adopted in 2021,with 8 340 students in 180 classes from 56 primary and high schools in 10 monitoring districts and counties in Heilongjiang Province.The students in the selected classes filled out a unified questionnaire by themselves.SAS 9.4 software was used for data cleansing,sample weighting,and analysis.Chi-squared tests were used to compare the differences between groups,and a two-level logistic regression model was used to analyze the influencing factors of e-cigarette use among secondary school students.Results A total of 8 329 survey questionnaires were included in the analysis.The prevalence rates of ever and current e-cigarette use among secondary school students in Heilongjiang Province were 18.27％and 5.46％,respectively.In terms of ever e-cigarette use,the rate of boys(23.94％)was higher than that of girls(12.35％).The rate of vocational high school students(39.18％)was higher than that of general high school students(24.11％)and than that of junior school students(11.27％).In terms of current e-cigarette use,the rate of boys(7.08％)was higher than that of girls(3.76％).The rate of vocational high school students(14.56％)was higher than that of general high school students(7.70％)and than that of junior school students(2.67％).The rates of ever and current e-cigarette use were relatively higher in each subgroup,including"weekly allowance more than 40 Yuan""one of the student's parents,friends or teachers was smoker""smoked cigarettes now"and"saw e-cigarette advertisements".A two-level logistic regression model showed that the following factors were the influencing factors of current use of e-cigarettes among secondary school students,including gender,whether they were current cigarette smokers,the smoking status of their close friends,if they saw teachers smoked in the school,noticed e-cigarette advertisements,and e-cigarette addictive cognition.Conclusions The prevalence rates of ever and current e-cigarette use among secondary school students in Heilongjiang Province were high.E-cigarette advertisements,the smoking status of their close friends,and whether they saw teachers smoking in the school were the main factors affecting e-cigarette use among secondary school students in Heilongjiang Province.It is necessary to focus on constructing smoke-free environments and increase health education related to e-cigarette knowledge on risk in developing a smoke-free campus in the whole province.
Secondary school studentsE-cigarettePrevalence statusInfluencing factors
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