Abstract
Air pollution was considered one of the main causes linked to increased morbidity and mortality around the world. This study aimed to estimate the effect of air pollutants on daily death in Baotou city of Inner Mongolia. Daily deaths data were provided by Baotou Centers for Disease Control and Prevention for the years 2015–2019 (Baotou CDC). The air pollutants, PM2.5, PM10, NO2, SO2, CO and maximum 8-h average concentrations of O3, came from the eight environmental monitoring stations in Baotou city. Time-series plots were used to exploit the trend of air pollutants at calendar time. Generalized additive model was used to estimate the effect of air pollutants on daily death. Restricted cubic spline was employed to investigate non-line relationships between air pollutants and daily death. After adjusting the meteorological factors, non-accidental daily deaths were related to PM2.5 (ER = 0.074%) and PM10 (ER = 0.023%), respectively. In stratified analysis, population aged over 65 years and females were more sensitive to air pollutants exposure and warm season might make people more susceptible to air pollutants compared with cold season. PM2.5 and PM10 increase the risk of non-accidental and cardiovascular daily death, but not respiratory daily death.
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Data availability
Data are available on reasonable request to the corresponding author.
Abbreviations
- CDC:
-
Centers for disease control
- AP:
-
Atmospheric pressure
- Temp:
-
Temperature
- RH:
-
Relative humidity
- PACF:
-
Partial autocorrelation function
- GAM:
-
Generalized additive model
- ER:
-
Excess risk
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Acknowledgements
We thanks for the Baotou Center for Disease Control and Prevention and Baotou City Health Commission, which provided the data for analysis.
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Y-XY and Y-KL designed and conducted the study. Y-KL and X-LL analyzed the data and drafted the manuscript. X-LL, Y-HJ and X-DF collected the data and samples. Y-KL, Y-HL, NC and H-YG clean the data. Y-XY made critical revision of the manuscript. All authors interpreted the data and have approved the final manuscript.
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Lu, YK., Liu, XL., Liu, YH. et al. The effects of short-term exposure to air pollution on mortality in Baotou, China, during 2015–2019. Environ Geochem Health 45, 3387–3404 (2023). https://doi.org/10.1007/s10653-022-01419-1
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DOI: https://doi.org/10.1007/s10653-022-01419-1