Particulate matter modifies the magnitude and time course of the non-linear temperature-mortality association

Li, Li, Yang, Jun, Guo, Cui, Chen, Pingyan, Ou, Chunquan and Guo, Yuming (2015) Particulate matter modifies the magnitude and time course of the non-linear temperature-mortality association. Environmental Pollution, 196 423-430. doi:10.1016/j.envpol.2014.11.005


Author Li, Li
Yang, Jun
Guo, Cui
Chen, Pingyan
Ou, Chunquan
Guo, Yuming
Title Particulate matter modifies the magnitude and time course of the non-linear temperature-mortality association
Journal name Environmental Pollution   Check publisher's open access policy
ISSN 0269-7491
1873-6424
Publication date 2015-01-01
Year available 2014
Sub-type Article (original research)
DOI 10.1016/j.envpol.2014.11.005
Open Access Status DOI
Volume 196
Start page 423
End page 430
Total pages 8
Place of publication Kidlington, Oxford, United Kingdom
Publisher Pergamon Press
Language eng
Subject 3005 Toxicology
2310 Pollution
2307 Health, Toxicology and Mutagenesis
Abstract It remains uncertain whether air pollution modifies the magnitude and time course of the temperature-mortality association. We applied a distributed lag non-linear model (DLNM) combined with non-linear interaction terms to assess the modifying effects of particulate matter with an aerodynamic diameter of 10 μm or less (PM10) on the association between mean temperature and mortality in Guangzhou, China. We found that both cold and hot effects increased with the quartiles of PM10. The elderly were more vulnerable to cold and hot effects. Men suffered more from cold-related mortality than women, with the gender difference enlarging with the quartiles of PM10. We identified statistically significant interaction effects between PM10 and mean temperature on mortality (except for respiratory mortality). Cold and hot effects basically appeared acutely on highly polluted days, while effects were delayed on lowly polluted days. The findings indicate the importance of reducing PM10 emission on extremely temperature days.
Keyword Temperature
PM10
Mortality
Effect modification
Time course
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Available online: 20 November 2014.

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2015 Collection
School of Public Health Publications
 
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Created: Tue, 25 Nov 2014, 20:15:16 EST by Yuming Guo on behalf of School of Public Health