Effects of Air Pollution on Daily Mortality in Shanghai
Author Information
Author(s): Kan Haidong, Stephanie J. London, Chen Guohai, Zhang Yunhui, Song Guixiang, Zhao Naiqing, Jiang Lili, Chen Bingheng
Primary Institution: Fudan University, Shanghai, China
Hypothesis
How do season, sex, age, and education modify the effects of outdoor air pollution on daily mortality?
Conclusion
Season, sex, age, and education may modify the health effects of outdoor air pollution in Shanghai.
Supporting Evidence
- An increase of 10 μg/m3 in PM10 corresponds to a 0.25% increase in all-cause mortality.
- Effects of air pollutants were more evident in the cool season than in the warm season.
- Females and the elderly were more vulnerable to outdoor air pollution.
- Residents with low educational attainment experienced greater effects from air pollution compared to those with higher education.
Takeaway
Air pollution can make people sick and even cause death, and some groups, like older people and those with less education, are more affected.
Methodology
A time-series analysis using a natural spline model to examine the effects of air pollution on daily mortality over four years.
Potential Biases
Potential measurement error in exposure assessment and limited generalizability due to the study being conducted in a single city.
Limitations
The study is limited to one city, and the data may not represent personal exposure accurately.
Participant Demographics
The study included around 6.3 million permanent residents in Shanghai, with a male/female ratio of 100.9% and 11.9% elderly individuals.
Statistical Information
Confidence Interval
95% CI, 0.14–0.37
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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