Cited by 77Air Quality and Health ImpactsClimate Change and Health ImpactsIndoor Air Quality and Microbial Exposure

Ozone and daily mortality rate in 21 cities of East Asia: how does season modify the association?

Chen, Renjie, Cai, Jing, Meng, Xia, Kim, Ho, Honda, Yasushi, Guo, Yue Leon, Samoli, Evangelia, Yang, Xin +1 more·2014·American Journal of Epidemiology

Abstract

Previous studies in East Asia have revealed that the short-term associations between tropospheric ozone and daily mortality rate were strongest in winter, which is opposite to the findings in North America and Western Europe. Therefore, we investigated the season-varying association between ozone and daily mortality rate in 21 cities of East Asia from 1979 to 2010. Time-series Poisson regression models were used to analyze the association between ozone and daily nonaccidental mortality rate in each city, testing for different temperature lags. The best-fitting model was obtained after adjustment for temperature in the previous 2 weeks. Bayesian hierarchical models were applied to pool the city-specific estimates. An interquartile-range increase of the moving average concentrations of same-day and previous-day ozone was associated with an increase of 1.44% (95% posterior interval (PI): 1.08%, 1.80%) in daily total mortality rate after adjustment for temperature in the previous 2 weeks. The corresponding increases were 0.62% (95% PI: 0.08%, 1.16%) in winter, 1.46% (95% PI: 0.89%, 2.03%) in spring, 1.60% (95% PI: 1.03%, 2.17%) in summer, and 1.12% (95% PI: 0.73%, 1.51%) in fall. We found significant associations between short-term exposure to ozone and higher mortality rate in East Asia that varied considerably from season to season with a significant trough in winter.

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Crossref · 10.1093/aje/kwu183

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Authors
Chen, R., Cai, J., Meng, X., Kim, H., Honda, Y., Guo, Y. L., Samoli, E., Yang, X., & Kan, H.
Affiliations
Fudan University (CN)
Corresponding author
Kan, Haidong
Venue
American Journal of Epidemiology
Published
2014-08-19
Volume
180
Issue
7
Pages
729-736
ISSN
  • 0002-9262 (ISSN-L)
  • 1476-6256
OpenAlex
W2050067268
Cited by
77
References
30
Citations by year
2026: 3 · 2025: 8 · 2024: 6 · 2023: 4 · 2022: 9 · 2021: 6 · 2020: 11 · 2019: 4 · 2018: 9 · 2017: 9 · 2016: 5 · 2015: 2 · 2014: 1
FWCI
3.72
Type
journal article
Language
en
Open access
closed
Locations
  • American Journal of Epidemiology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Air Quality and Health Impacts
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Climate Change and Health Impacts
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Indoor Air Quality and Microbial Exposure
Keywords
tropospheric ozone, short-term ozone exposure, daily mortality, seasonal variation, non-accidental mortality, temperature adjustment, air pollution health effects, East Asian cities
MeSH terms
Air Pollutants, Air Pollution, Bayes Theorem, Asia, Eastern, Humans, Mortality, Ozone, Regression Analysis, Seasons, Temperature, Urban Health, Models, Statistical, Poisson Distribution

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