Changes in PM2.5-related diabetes risk under the implementation of the clean air act in Shanghai
Authors' conclusion
Our findings suggest that long-term and high-level exposure to PM2.5 was associated with increased prevalence of diabetes. Moreover, the implementation of CAA might ameliorate PM2.5-related diabetes risk.
Study context
- Population
- High-risk population for diabetes in Shanghai, Shanghai High-Risk Diabetic Screen (SHiDS) project 2002–2018, linked with remotely sensed PM2.5 concentrations
- Participants
- 10,499 participants
- Exposure
- PM2.5 exposure before vs after implementation of the Clean Air Act
- Outcome
- T2D risk per 10 μg/m³ increase of long-term PM2.5 exposure
Main finding
As reported in the abstract
Diabetes risk per 10 μg/m³ increase of PM2.5 exposure
Before Clean Air Act (CAA): 1-year PM2.5 exposure, increase in diabetes risk
7.5 %
95% CI 1.018–1.137
Before CAA: 2-year PM2.5 exposure, increase in diabetes risk
8.0 %
95% CI 1.022–1.142
Before CAA: 3-year PM2.5 exposure, increase in diabetes risk
7.9 %
95% CI 1.021–1.141
Observational data: associations, not effects.
Further findings
- Elevated PM2.5 exposure associated with a significant increase in glycemic parameters before CAA
Original publication
Changes in PM2.5-related diabetes risk under the implementation of the clean air act in Shanghai. Diabetes Res Clin Pract. Published 21 May 2024. doi:10.
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