Changes in and Patterns of Smoking Exposure in an Elderly Urban Population in Beijing: 2001–2010

Shanshan Yang, Yao He, Miao Liu, Yiyan Wang, Lei Wu, Jianhua Wang, Di Zhang, Jing Zeng, Bin Jiang and Xiaoying Li

PLOS ONE, 2015, vol. 10, issue 3, 1-16

Abstract: Objective: The study aims to explore the patterns and changes of active and passive smoking in the elderly population. Methods: Two cross-sectional surveys with representative samples of urban populations, aged between 60 and 95 years old, were conducted in 2001 and 2010 in Beijing. A current smoker was defined as a person who smoked a tobacco product at the time of the survey, and a passive smoker was defined as a person who had been exposed to smoke exhaled by a smoker for more than 15 minutes per day more than once per week. Results: A total of 2,277 participants in 2001 and 2,102 participants in 2010 completed the survey. The current smoking prevalence changed slightly in males (24.7 vs. 21.2%, P = 0.081), while the prevalence in females decreased significantly from 8.8% (95% CI: 7.3–10.3%) in 2001 to 4.1% (95% CI: 3.0–5.2%) in 2010 (P

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0118500

DOI: 10.1371/journal.pone.0118500

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