Contributions of major smoking-related diseases to reduction in life expectancy associated with smoking in Chinese adults: a cross-sectional study

BMC Public Health

Boqi Liu²  Haiyu Pang¹  Lei Hou¹  Ping Zhao²  Yuanli Chen²  Yanping Wu²  Xiaonong Zou²  Xianjia Zeng¹  Junyao Li²  Jingmei Jiang¹  Wei Han¹ 

[1] Department of Epidemiology and Biostatistics, Institute of Basic Medical Science, Chinese Academy of Medical Sciences & School of Basic Medicine, Peking Union Medical College Beijing, China;The Cancer Institute/Hospital, Chinese Academy of Medical Sciences, 17 Pan Jia Yuan Nan Li, Beijing 100021, China

关键词: Chinese;    Life expectancy;    Smoking-related disease;    Smoking;   

Others  :  1161481
DOI  :  10.1186/1471-2458-13-1147

 received in 2013-02-10, accepted in 2013-12-03,  发布年份 2013

【 摘 要 】

Background

Cigarette smoking is a prominent risk factor for a wide range of diseases. The current study aimed to evaluate the impact of smoking on deaths from major smoking-related diseases (neoplasms, vascular diseases and respiratory diseases) in Chinese adults by estimating the potential gains in life expectancy (LE) that would accrue from eliminating deaths from these diseases, and to determine the contribution of each disease to the reduction in LE associated with smoking.

Methods

Two cohorts of Chinese smokers and non-smokers were constructed from a retrospective national mortality survey that had been conducted in 1989–1991 and included one million all-cause deaths among adults during 1986–1988 in 103 geographical regions. For each cohort, potential gains in LE by eliminating deaths from each major smoking-related disease were estimated. The contributions of each disease to smoking-associated reduction in LE were assessed using the LE decomposition approach.

Results

Among the major smoking-related diseases, it was estimated that elimination of vascular diseases would provide the greatest potential gain in LE (years), regardless of smoking status. The gains for smokers versus non-smokers in populations of urban men, urban women, rural men and rural women aged 35 years were 3.5 vs. 4.3, 3.8 vs. 4.1, 2.4 vs. 3.0, and 2.6 vs. 2.9 years, respectively. Respiratory diseases contributed most to smoking-associated LE reductions in urban women, rural men and rural women of 43.6%, 46.4%, and 62.9%, respectively. In urban men, neoplasms contributed most to smoking-associated LE reduction, their contribution being estimated as 45.8%.

Conclusions

Respiratory disease has the greatest influence on the LE reduction associated with smoking. Thus, smoking prevention could significantly reduce deaths from respiratory disease and improve LE.

【 授权许可】

   
2013 Han et al.; licensee BioMed Central Ltd.

【 图 表 】

Figure 1.

Figure 2.

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