Concentration-response relationship between particulate air pollution and daily mortality in Taiyuan
- VernacularTitle:太原市颗粒物空气污染与人群每日死亡率的关系
- Author:
Yanping ZHANG
;
Zhiqin ZHANG
;
Xuhui LIU
;
Xiaoping ZHANG
;
Baoqin FENG
;
Haiping LI
- Publication Type:Journal Article
- Keywords:
Air pollution;
Mortality;
Maximum allowable concentration
- From:
Journal of Peking University(Health Sciences)
2004;0(02):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To further study concentration-response relationship between daily mortality and particulate air pollution,to provide scientific basis for making policy.Methods:We applied spline model to daily time-series data for Taiyuan city,China from 2004-2005,using concentration of particulate matter less than 10 ?m in aerodynamic diameter(PM10)as the exposure measure,and controlling confounding factors,such as season,meteorological factors,day-of-the-week,other air pollutions,etc.Results:The spline model showed a non-linear relationship for the relative risks of death for all causes(total deaths)and for specific causes in relation to PM10 concentration,and obtained threshold levels.For total mortality,malignant tumor mortality and cardiovascular-cerebrovascular-respiratory mortality,the threshold levels were 85.00 ?g/m3,89.59 ?g/m3,122.54 ?g/m3,respectively,using the value of differential deduction.Conclusion:Our nonlinear models are appropriate for assessing the effect of particulate air pollution on daily mortality at current ambient levels in Taiyuan,China,in contrast to those of Europe and America.
