Objective To investigate the status of adolescents’tobacco use and its impact factors in Shaanxi Prov-ince,and provide a basis for the development of adolescents tobacco control strategy.Methods Using multi-cluster sam-pling method,students from 30 junior high schools were selected to investigate with the questionnaire.Results 18.5% of middle school students tried to smoke cigarettes in Shaanxi Province.There were 6.7% of middle school students smoked.Within the past 12 months,7 out of every 10 current smokers had tried to quit smoking,8 of them hoped to quit soon.In the last 7 days,the rates of students exposed to second hand smoking in junior home,indoor public places,schools were 51.9%,68.1%,60.7%.42.2% of current smokers bought cigarettes from shops,malls,street vendors or kiosk;84.8% of current smokers with under legal age were not denied when buying cigarettes;69.0% of middle school students watched tobacco control information in the media;51.1% of them saw tobacco advertising or promotion;24.8% of them saw tobacco advertising on television;40.3% of them saw tobacco advertising or promotion in the shops.Conclusion Ado-lescents smoking are not optimistic in Shaanxi Province.It is very convenient and easy to get tobacco products,promotions and more smoking scenes video works.And their teachers and parents all are influence factors.The development of effective interventions and strategies is a priority.%目的：了解陕西省青少年烟草使用、相关知识、态度及其影响因素，为制定陕西省青少年控烟策略提供依据。方法采用多层整群抽样的方法，选取30所学校初中在校学生进行问卷调查。结果陕西省有18.5％初中学生尝试吸机制卷烟，有6.7％初中学生吸机制卷烟；过去12个月内，每10个现在吸烟者中有7个尝试过戒烟，有8个希望马上戒烟；在最近7 d 内，初中生在家中、室内公共场所、学校暴露于二手烟的比例分别为51.9％、68.1％、60.7％；42.2％的现在吸烟者从商店、商场、街边小贩或者售货亭购烟；84.8％现在吸烟者在购买机制卷烟时未因年龄小而被拒绝；69.0％初中学生中在媒体上看到了控烟信息；51.1％初中学生中看到了烟草广告或者促销；24.8％初中学生中在电视上看到了烟草广告；40.3％初中学生中在零售点看到了烟草广告或者促销。结论陕西省青少年吸烟情况不容乐观，与烟草制品方便易得、促销多、影视作品吸烟镜头多、老师与家长影响相关，因此制定有效的干预措施和策略是当务之急。
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