期刊
ASIA-PACIFIC JOURNAL OF PUBLIC HEALTH
卷 26, 期 6, 页码 614-621出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/1010539514529811
关键词
time series; mortality; particulate matter; temperature; interactive effects
资金
- National Natural Science Foundation of China [81273033, 81372950]
The aim of this study is to explore whether the effect of PM10 (particulate matter with an aerodynamic diameter of <10 mu m) on daily mortality was modified by extreme temperatures in Guangzhou from 2005 to 2009. The present study used time-series analysis to explore the modification effects of temperature on the association between PM10 and the cause-specific mortalities for cardiovascular, respiratory, cardiopulmonary, and nonaccidental mortality. The interactions between PM10 and temperature were statistically significant on respiratory mortality. The effect estimates per 10-mu g/m(3) increase in PM10 concentrations at the moving average of lags of 0 and 1 day on high-temperature days were 2.34% (95% confidence interval = 0.55, 4.16) for nonaccidental, 1.35% (-1.69, 4.48) for cardiovascular, 6.09% (2.42, 9.89) for respiratory, and 3.36% (0.92, 5.86) for cardiopulmonary mortalities. The results suggest that it is important to control and reduce the emission of air particles in Guangzhou, particularly on extreme-high-temperature days.
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