• Zhonghua Liu Xing Bing Xue Za Zhi · Mar 2019

    [Survey of exposure to second-hand smoke in residents aged 15 years and over one year after implementation of tobacco control regulation in public places in Beijing].

    • Y Q Li, J H Shi, Y Cao, L Qi, L T Xu, Y L Qian, and X R Liu.
    • Health Education Institute of Beijing Center for Disease Prevention and Control, Health Education Institute of Beijing Preventive Medicine Research Center, Beijing 100020, China.
    • Zhonghua Liu Xing Bing Xue Za Zhi. 2019 Mar 10; 40 (3): 327-330.

    AbstractObjective: To monitor the second-hand smoke (SHS) exposure in residents aged 15 years and over in public venues, indoor workplaces, on public transportation vehicles and at home in Beijing and evaluate the effect of Beijing Tobacco Control Regulation. Methods: Data from 2014 and 2016 Beijing Adult Tobacco Survey were used. The surveys covered 16 districts in Beijing. The study subjects were selected through multi-stage cluster sampling with probability proportional to population size, and data were collected by using electronic questionnaire in face-to-face household interviews. A total of 8 484 and 9 372 valid questionnaires were collected for the surveys in 2014 and 2016, respectively. Statistical packages SPSS 20.0 and R 3.4.4 were used for data analyses. After weighting the samples using complex survey designs, the SHS exposure rates in different places in adults of Beijing were estimated. χ(2) tests were performed for the comparison. Results: The SHS exposure rates of residents aged 15 years and over in Beijing who visited health care facilities, government buildings, universities, primary and secondary schools and restaurants declined from 12.8%, 19.7%, 24.3%, 32.8% and 65.7% in 2014 to 6.2%, 10.8%, 12.5%, 19.1% and 32.5% in 2016, respectively. The SHS exposure rates in bars/nightclubs were 89.5% in 2014 and 80.3% in 2016. From 2014 to 2016, the SHS exposure rates declined from 35.7% to 20.0% in indoor workplaces and declined from 3.9% to 2.5% on public transportation vehicles. The SHS exposure rates at home were 39.8% in 2014 and 37.6% in 2016, respectively. Conclusions: The SHS exposure rates in public places declined obviously in Beijing after the one year implementation of Beijing Tobacco Control Regulation, indicating the effect of the regulation implementation.

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