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目的了解甘肃省初中学生吸烟现状及相关影响因素,为青少年控烟工作提供科学依据。方法采用多阶段分层整群抽样的方法,从甘肃省8个县区抽取3 500名在校初中学生进行问卷调查,获得完整有效资料3 324份。结果初中生现在吸烟率为7.7%,尝试吸烟率为22.2%,男生尝试吸烟率(37.2%)高于女生(6.8%),差异有统计学意义(χ2=444.673,P<0.01)。尝试吸烟的学生报告通常在学校、家庭和朋友家吸烟的比例分别为17.0%,10.7%和6.7%。多因素Logistic回归分析显示,男生、年级较高、朋友吸烟、认为吸烟使人更有吸引力、在室内公共场所暴露二手烟、过去30 d看到过烟草广告的初中学生尝试吸烟的风险较高,差异均有统计学意义(OR值分别为5.595,0.770,5.473,1.761,1.943,1.262,P值均<0.05)。结论甘肃省初中学生吸烟状况较严重,尝试吸烟的影响因素较为广泛。需要社会、学校和家庭共同干预,减少初中学生的吸烟行为。
Objective To understand the status quo of smoking among junior high school students in Gansu province and its related factors, and to provide a scientific basis for youth tobacco control. Methods A multistage stratified cluster sampling method was used to survey 3,500 middle school students from 8 districts and counties of Gansu Province to conduct questionnaire survey and obtain 3 324 valid and complete data. Results The prevalence of smoking among junior high school students was 7.7%, the prevalence of attempted smoking was 22.2%, the prevalence of smoking among boys (37.2%) was higher than that of girls (6.8%) (χ2 = 444.673, P <0.01). Students who tried to smoke reported 17.0%, 10.7% and 6.7% of their smokers, respectively, at school, family and friends. Multivariate logistic regression analysis showed that boys, with higher grades, friends smoking, perceived smoking to be more attractive, exposed secondhand smoke in indoor public places, and junior high school students who had seen tobacco advertisements in the past 30 days had a higher risk of smoking , The differences were statistically significant (OR values were 5.595,0.770,5.473,1.761,1.943,1.262, P values were <0.05). Conclusion Gansu junior high school students smoking more serious, try to influence smoking is more extensive. It requires the joint intervention of society, schools and families to reduce the smoking behaviors of junior high school students.