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目的 了解广州城市青少年吸烟流行情况。方法 采用横断面随机抽样调查方法对广州城市 1 2～ 1 8岁中学阶段的学生 62 0 2名进行不记名问卷调查。结果 广州城市青少年的总吸烟率为 2 5.31 % (男性吸烟率为 34.0 3% ,女性吸烟率为 1 6.2 8% )。吸烟人群中 ,“至少吸过一口烟者”占 65.67% ;现在吸烟者占 1 3.76% ;曾经吸烟者占 2 0 .57%。吸烟率与年龄、年级和学校类型相关 ,且存在统计学上意义 (P <0 .0 0 0 1 )。初一、二年级是青少年开始尝试吸烟的关键时期。
Objective To understand the prevalence of smoking among urban young people in Guangzhou. Methods A cross-sectional random sampling method was used to conduct an anonymous questionnaire survey on 62 0 2 students in the middle schools of 12 to 18 years old in Guangzhou. Results The total smoking prevalence rate among urban adolescents in Guangzhou was 2 5.31% (34.0 3% for males and 1 6.28% for females). Among smokers, “at least one smoker” accounted for 65.67%; smokers now account for 1.76%; former smokers accounted for 20.57%. Smoking prevalence was related to age, grade, and school type, and was statistically significant (P <0.0001). The first and second grades are a crucial period for teenagers to start smoking.