目的了解郸城县青少年吸烟行为及其影响因素,为制定有效地控烟措施提供科学依据。方法 采取分层整群抽样法,应用中国青少年健康相关行为调查组编制的《中国青少年健康相关行为调查问卷(初中)》,对郸城县6所初中18个班1 250名进行问卷调查。结果 尝试过吸烟(包括只吸一口)的学生占24.1%,其中男生为36.2%,女生为10.3%;农村为33.2%,县直为22.3%,差异有统计学意义。第一次吸烟时年龄小于13岁的学生占17.5%;吸烟的学生中29.2%的香烟来自于商店或者烟摊,68.0%的学生能从商店或烟摊买到香烟;在过去7天里,45.6%学生在同一房间或同一交通工具里属二手烟暴露,其中男生为26.1%,女生为19.5%;农村学生为52.5%,县直学生44.2%,差异有统计学意义。结论郸城县青少年尝试吸烟现象比较普遍,使用烟草情况依然严峻,商店向未成年人售烟普遍存在,学生二手烟暴露严重。 Objective To understand the smoking behavior and its influencing factors among adolescents in Dancheng County and to provide a scientific basis for making effective tobacco control measures. Methods A stratified cluster sampling method was used to conduct a questionnaire survey on 1 250 Chinese 18-year junior middle schools in Dancheng County by using the “Chinese Youth Health-Related Behavior Questionnaire (Junior High School)” prepared by the Chinese Youth Health-Related Behavior Investigation Group. Results 24.1% of the students who tried smoking (including only one), including 36.2% boys and 10.3% girls; 33.2% in rural areas and 22.3% in counties, the difference was statistically significant. 17.5% of students younger than 13 years old on the first smoking, 29.2% of cigarettes smokers came from shops or tobacco stalls, 68.0% bought cigarettes from shops or tobacco stalls, and in the past 7 days, 45.6% of students were exposed to secondhand smoke in the same room or the same vehicle, with 26.1% of boys and 19.5% of girls; 52.5% of rural students and 44.2% of straight-line students in county. The difference was statistically significant. Conclusion Adolescents in Dancheng County tried smoking at a relatively high rate. The use of tobacco was still harsh, sales of cigarettes to minors in shops were widespread, and exposure of students to second-hand smoke was serious.