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目前，中国青少年吸烟率仍处上升趋势，控制中学生吸烟已刻不容缓。为完成中国／联合国儿童基金会“学校预防吸烟项目”，了解我省中学生吸烟现状，制定干预措施，特对我省城乡中学生进行了吸烟行为及有关因素的调查。1对象与方法1．1对象：整群随机抽取我省市区、县镇中学各两
At present, the smoking rate of adolescents in China is still on the rise. It is imperative to control the smoking among middle school students. To complete the China / UNICEF “School Preventing Smoking Project”, to understand the status quo of smoking among middle school students in our province and to make interventions, we conducted a survey on smoking behavior and related factors among middle school students in urban and rural areas in our province. 1 objects and methods 1.1 object: cluster randomly selected in our province, the town of secondary schools each two