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Environ Sci Pollut Res Int. 2019 Apr 11. doi: 10.1007/s11356-019-04971-z. [Epub ahead of print]

Ambient air pollution and risk of type 2 diabetes in the Chinese.

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Ningbo Municipal Center for Disease Control and Prevention, Ningbo, 315010, China.
Department of Epidemiology, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, 70112, USA.
Population Wellbeing and Environment Research Lab (Power Lab), Faculty of Social Sciences, University of Wollongong, Wollongong, NSW, 2522, Australia.
Early Start, Faculty of Social Sciences, University of Wollongong, Wollongong, NSW, 2522, Australia.
Menzies Centre for Health Policy, University of Sydney, Sydney, NSW, 2006, Australia.
Department of Preventive Medicine, Medical School of Ningbo University, Ningbo, 315211, China.
School of Public Health, Kunming Medical University, Kunming, China.


We performed a time series analysis to investigate the potential association between exposure to ambient air pollution and type 2 diabetes (T2D) incidence in the Chinese population. Monthly time series data between 2008 and 2015 on ambient air pollutants and incident T2D (N = 25,130) were obtained from the Environment Monitoring Center of Ningbo and the Chronic Disease Surveillance System of Ningbo. Relative risks (RRs) and 95% confidence intervals (95% CIs) of incident T2D per 10 μg/m3 increases in ambient air pollutants were estimated from Poisson generalized additive models. Exposure to particulate matter < 10 μm (PM10) and sulfur dioxide (SO2) was associated with increased T2D incidence. The relative risks (RRs) of each increment in 10 μg/m3 of PM10 and SO2 were 1.62 (95% CI, 1.16-2.28) and 1.63 (95% CI, 1.12-2.38) for overall participants, whereas for ozone (O3) exposure, the RRs were 0.78 (95% CI, 0.68-0.90) for overall participants, 0.78 (95% CI, 0.69-0.90) for males, and 0.78 (95% CI, 0.67-0.91) for females, respectively. Exposure to PM10 and SO2 is positively associated with T2D incidence, whereas O3 is negatively associated with T2D incidence.


Ambient air pollutants; Incidence; Type 2 diabetes


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