• Y Nan, Z Xi, Y Yang, L L Wang, M W Tu, J J Wang, and Y Jiang.
• Tobacco Control Office, Chinese Center for Disease Control and Prevention, Beijing 100050, China.
• Zhonghua Liu Xing Bing Xue Za Zhi. 2016 Jun 1; 37 (6): 810-5.

ObjectiveTo understand the situation on exposure to second-hand smoke among Chinese adults aged 15 and above and their support to policy on banning smoking in public places in 2015.MethodsA cross-sectional survey was conducted based on the protocol on Global Adult Tobacco Survey. Stratified multi-stage cluster sampling was used to select 16 800 households in China. Data were collected through household survey, using the electronic devices. One eligible respondent was selected by random sampling in each household. Standardized questionnaire was used from Global Tobacco Surveillance System. Data were weighted and analyzed by SAS 9.3 and SUDAAN 10.0.1 complex survey data analysis program.Results93.1% (60 128×10(3)/64 575×10(3)), 76.3% (455 473×10(3)/596 782×10(3)), 57.1% (621 793×10(3)/1 089 582×10(3)), 54.3% (218 792×10(3)/402 732×10(3)), 38.1% (61 208×10(3)/160 574×10(3)), 26.9% (119 783×10(3)/444 679×10(3)), 23.8%(17 598×10(3)/73 993×10(3)), 17.2% (41 099×10(3)/239 022×10(3)) and 16.4% (102 153×10(3)/623 015×10(3)) of the respondents reported that smoking did exsit in the following places as: inside of bars or night clubs, in the restaurants, households homes, working places, government buildings, health care facilities, universities, primary and high schools (both indoor and outdoor areas), and on public transportation, respectively. Compared with those data in 2010, the proportions of exposure to indoor areas of restaurants, government buildings, health care facilities, primary and high schools (both indoor and outdoor areas), public transportation, and homes all significantly decreased after standardization of data. RESULTS also showed that most respondents were supportive to the policy on banning smoking in public and working places. However, the proportions of exposure to indoor areas of restaurants were still high but almost 70% of the respondents thought smoking should not be allowed in indoor areas of restaurants.ConclusionFrom 2010 to 2015, proportions of exposure to indoor areas of public places, working places, public transportation and homes were obviously declining in China. The Chinese public seemed supportive to the policy on banning smoking in public places.

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