Objective: To examine the effect of particulate matter (PM) less than 10 microns in diameter (PM10) and ozone (O3) on daily mortality in Shanghai, China.
Methods: A generalized additive model with penalized spline function was used to observe the acute effect of PM10 and O3 on daily mortality.
Results: Higher PM10 significantly increased the effect of O3 on total mortality, and O3 also increased the effect of PM10 although the estimated increment was statistically insignificant.
Conclusion: Our findings provide further evidence for the effect of PM10 and O3 on daily mortality.
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