Cross-section survey on smoking behavior and cognition in Chongqing, 2014].

To investigate the prevalence of smoking, smoking cessation, passive smoking and awareness of the dangers of tobacco in population in Chongqing and provide evidence for developing prevention and control measures. A total of 5 400 residents aged ≥18 years were selected from 9 districts/counties in Chongqing through stratified multi-stage cluster sampling and face-to-face interviews were conducted among them. Indicators as current smoking rates, smoking cessation rates and passive smoking rates were calculated by the weight of age proportions from 2010 population census. The analytical method was based on complex sampling design. The current smoking rate of the residents aged ≥18 years was 27.4% (male: 53.5% and female: 1.1%), which was highest in age group 40-50 years (58.4%) for males. The current smoking rate among rural residents was higher than that in urban residents. The prevalence of daily cigarette smoking was 27.5%, which was significantly higher in southeastern Chongqing. The rate of passive smoking was 52.4%. Among daily smokers, the mean number of cigarettes smoked was 17.5 per day (men: 17.6 per day; women: 13.5 per day). The daily smoked cigarette number in males was higher in age group 40-50 years (20.1 per day) and those with junior middle school education level (18.9 per day). The proportion of the current smokers who smoked more than 20 cigarettes per day (the rate of heavy smoker) was higher in males than in females and in rural residents than in urban residents. The proportion of heavy smokers was 59.3%, which was highest in age group 40-50 years (66.8%), followed by those with junior middle school educational level (65.2%). The average age of smokers when they stared to smoke was 20.8 years old, which was low in males and rural residents. About 80.2% of the smokers stared to smoke under 25 years old, and 70.3% of the smokers stared to smoke between 15 and 25 years old. The overall rate of smoking cessation was 20.1% and the successful smoking cessation rate was 13.7%. The two rates increased with age, the successful smoking cessation rate was lowest in age group 18-40 years (4.8%). The awareness of the tobacco risk related knowledge seemed poor among the residents, only 19.6% of the residents were aware that smoking could cause serious diseases (stoke, heart disease and lung cancer). 21.9% of the residents were aware that passive smoking could cause serious diseases (heart disease, lung disease and lung cancer). Current prevalence of smoking in males in Chongqing remains at a high level, indicating that the publicity programs on the tobacco risk related knowledge needs to be strengthened and the tobacco control needs more efforts. The tobacco control in Chongqing is still facing serious challenge.

Citation

Zhuozhi Shen, Xianbin Ding, Deqiang Mao, Chunhua Zhang, Xiaoyan Lyu, Yan Jiao, Li Qi. Cross-section survey on smoking behavior and cognition in Chongqing, 2014]. Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi. 2015 Nov;36(11):1236-43

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PMID: 26850243

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