期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 186, 期 2-3, 页码 1594-1600出版社
ELSEVIER
DOI: 10.1016/j.jhazmat.2010.12.036
关键词
Air pollution; Cohort study; Lung cancer; Mortality
资金
- National Basic Research Program (973 program) of China [2011CB503802]
- Ministry of Science and Technology, China [2006BAI01A01]
- US National Institutes of Health [5R01TW008301-02]
No prior cohort studies exist in China examining the association of outdoor air pollution with mortality. We studied 70,947 middle-aged men and women in the China National Hypertension Survey and its follow-up study. Baseline data were obtained in 1991 using a standard protocol. The follow-up evaluation was conducted in 1999 and 2000. Annual average air pollution exposure between 1991 and 2000, including total suspended particle (TSP), sulfur dioxide (SO2) and nitrogen oxides (NOx), were estimated by linking fixed-site monitoring data with resident zip code. We examined the association of air pollution with mortality using proportional hazards regression model. We found significant associations between air pollution levels and mortality from cardiopulmonary diseases and from lung cancer. Each 10 mu g/m(3) elevation of TSP, SO2 and NOx was associated with a 0.9% (95%CI: 0.3%, 1.5%), 3.2% (95%CI: 2.3%, 4.0%), and 2.3% (95%CI: 0.6%, 4.1%) increased risk of cardiovascular mortality, respectively. We found significant effects of SO2 on mortality after adjustment for TSP. Conclusively, ambient air pollution was associated with increased cardiopulmonary and lung cancer mortality in China. These data contribute to the scientific literature on long-term effects of air pollution for high exposure settings typical in developing countries. (C) 2010 Elsevier B.V. All rights reserved.
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