目的：了解北京市中式餐馆控烟措施及烟草烟雾暴露情况，为评估《北京市控制吸烟条例》实施后餐馆控烟效果提供基线数据。方法采用分层多阶段抽样的方法，以顾客身份用自行设计的调查表对75家餐馆的控烟环境、吸烟现象进行暗访观察；使用国际上通用的 Side Pak AM510个人型气溶胶监测仪对各监测点的细颗粒物（PM2.5）浓度进行监测。使用 SPSS 12.0软件进行构成比、χ2检验等统计分析。结果75家餐馆中，全面禁烟餐馆15家（20.0％）；部分禁烟餐馆2家（2.7％）；未禁烟餐馆58家（77.3％）。12家（16.0％）在入口处设置了禁烟标识／提示，43家（57.3％）在餐厅大堂设置了禁烟标识／提示。45家餐馆大堂或卫生间出现吸烟现象，占观察总数的60.0％。全面禁烟餐馆的禁烟标识张贴情况好于未禁烟餐馆，差异具有统计学意义（P ＜0.01）。35家餐馆 PM2.5值异常，占46.7％；全面禁烟餐馆室内 PM2.5值异常的比例低于未禁烟餐馆，差异具有统计学意义（P ＜0.05）。结论目前北京市中式餐馆中已经有一定比例的餐馆主动实行禁烟措施，但禁烟标识张贴不充足，禁烟环境营造不够。餐馆室内吸烟现象比例仍较高，但实行全面禁烟餐馆的控烟效果好于无禁烟规定的餐馆。%Objective To investigate the current smoking regulations and their impacts on tobacco smoke levels of Chinese restaurants in Beijing,and to provide the baseline data after the Regulations on Smoking Controlling of Beijing was implemented.Methods 75 restaurants in Beijing were selected by probability proportionate to size (PPS ) sam-pling.Smoking controlling environment and smoking phenomenon were investigated and observed by investigators as customers with self-designed questionnaire.TSI Side Pak AM510 was used to monitor the level of fine particles less than 2.5 microns in diameter (PM2.5 )in each restaurant.Composition ratio,χ2 test and other statistical analysis were used to analyze the data by SPSS 12.0 software.Results Of the 75 restaurants surveyed,15 restaurants (20.0%)had complete smoking prohibi-ting rules,2 (2.7%) had partial rules, and 58 (77.3%) had no rules for smoking prohibition.12 restaurants (16.0%)posted the ‘No Smoking’signs or hints at the entrance,and 43 (57.3%) posted the signs or hints in the dining hall.Smoking phenomenon was observed in toilets or dining hall in 45 restaurants,accounting for 60% of all observa-tions.The differences of the presence of ‘No Smoking’signs or hints between the restaurants with complete prohibiting smok-ing rules and no rules were significant (P <0.01).The level of PM2.5 in 35 restaurants (46.7%)was abnormal.The pro-portion of restaurants with complete smoking prohibiting rules which had abnormal level of PM2.5 was lower than the restau-rants had no rules,the differences was significance (P <0.05).Conclusion By now,there was a certain proportion of Chinese restaurants which implement the smoking regulation actively,while there were not enough ‘No Smoking’signs or hints,and more should be done to promote the no smoking environment.The indoor smoking was still frequently be observed in restaurants,while the effect of smoking regulation in restaurants which had complete smoking prohibiting rules was better than the restaurants which had none.
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