Objective To understand the situation of Guangzhou Tobacco Control Regulation (shortened as Regulation) implementation after half a year and its impact on residents health behaviors. Methods 1200 residents were investigated by telephone interview to ask Regulation health effect on them. 10 different kinds of workplaces and public places were selected by stratified sampling method. The information about no-smoking posters, cigarette ends, and smoking behavior in these places was recorded by observation method. PM2.5 was measured by AM510 for 30 minutes in all selected sites. Results 1023 residents were investigated and the proportion of respondents who knew Regulation was 83.48%. 43. 70% of them considered that the smoking behaviors had reduced in public places after Regulation implementation. The proportion of smoker among the respondents who had trying to quit or decrease smoking was increased from 43. 23% to 58. 33% (x2 = 10. 69, P = 0. 001 ). Only 3. 49% of public places observed had not posted up no-smoking posters. The number of smokers who were found by the observer in restaurants or hotels was 61 and at the top. The median of indoor PM2. 5 concentration in all places was 54. 00 μg/m3. The average indoor PM2. 5 concentration in bus-and train-stations, gyms, restaurants or hotels were higher than that in other places which had no cigarette ends or less ( F = 2. 60, P = 0. 008). Conclusion The Regulation have promoted tobacco control in Guangzhou. Residents have been more conscious to tobacco control and social support environment have been established step by step. However, health education and policy advocacy should be enhanced in restaurants, hotels and their owners or managers.%目的 了解《广州市控制吸烟条例》(以下称《条例》)实施半年后对居民健康行为的影响及各类场所执行情况.方法 电话回访1200户居民,了解《条例》对居民健康行为的影响,通过分层抽样方法抽取10类工作场所及公共场所,对禁烟标识张贴、吸烟行为及吸烟痕迹等情况进行现场观察,并使用AM510便携式防爆智能数字粉尘仪进行30 min PM2.5的浓度测试.结果 共调查1023名居民,对《条例》的知晓率为83.48%；43.70%的调查对象认为《条例》实施之后广州市公共场所的吸烟现象有所减少,吸烟者中主动减少吸烟量或尝试戒烟等有控烟意识烟民的比例则由43.23%上升为58.33%(χ2=10.69,P=0.001)；仅有3.49%的观察点没有张贴禁烟标识,吸烟人数最多的是在食宿场所(61人)；全市各类场所的PM2.5浓度中位数为54.00 μg/m3,其中交通场所、健身场所和食宿场所高于无吸烟或烟头较少的其他场所(F=2.60,P=0.008).结论 《条例》对广州市控烟工作起到了一定的促进作用,居民控烟意识逐渐增强,社会支持环境逐步形成,但餐饮场所《条例》执行情况仍不理想,需要进一步对场所经营者及管理者开展宣传教育.
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