期刊
ENVIRONMENTAL RESEARCH
卷 170, 期 -, 页码 7-15出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.envres.2018.11.041
关键词
Particulate matter; Cause-specific death; Time-series study; Inverse distance weighting method
资金
- Natural Science Foundation of China [81502801, 81602834]
- Priority Academic Program Development of Jiangsu Higher Education Institutions, China (2014)
- Collegiate Natural Science Foundations of Jiangsu province, China [16KJB330005]
- Science and Technology Support Program - Changzhou Municipal Science and Technology Bureau, China [CE20145046]
- Science and Technique Foundation for Youths by Health and Family Planning Commission of Changzhou, China [QN201603]
Background. Extensive studies have linked ambient particulate matter (PM) to an increased mortality burden from a wide range of causes. However, the effects of PM on mortality rates from specific causes were unclear. This study aimed to estimate the detrimental effects of PM on cause specific deaths in Changzhou, China. Method: Data representing daily mortality rates, weather conditions and particulate air pollution levels were obtained from government-controlled agencies of Changzhou, from January 1, 2015 to December 31, 2016. An inverse distance weighting method was used to assess the population exposure to PM and a time-series was performed to detect the detrimental effects of PM. Results: Positive associations were identified between PMs and daily mortality rates from non-accidental, circulatory, hypertensive, respiratory and chronic lower respiratory causes at a lag of 0-3 days. The effects of PMs were strongest on hypertensive mortality, with an increase of 5.27% (95% confidence interval (CI): 2.43-8.19%) and 3.52% (95% CI: 1.55-5.53%), per 10 mu g/m(3) increment in PM2.5 and PM10 respectively. The elderly exhibited a higher mortality risk with PMs exposure. Females were more vulnerable to circulatory, hypertensive and respiratory death while males were more sensitive to chronic lower respiratory and neurodegenerative mortality. The effects were stronger in warm seasons for circulatory mortality and stronger in cold seasons for respiratory mortality. Conclusion: These findings indicate that PM could exert adverse influences on the outcomes of several pathological processes, especially for women and the elderly with hypertension disease.
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