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Fig. 3 | Environmental Health

Fig. 3

From: A tensor product quasi-Poisson model for estimating health effects of multiple ambient pollutants on mortality

Fig. 3

Mortality rate ratio (RR), estimated by models I-IV, for various levels of air pollution relative to the reference level. a-c show the exposure-response curves for PM10, NO2 and SO2, respectively, given the levels of other two pollutants fixed as their 25th percentiles. d shows the combined rate ratio (RRc) associated with the simultaneous increases in the levels of three pollutants. The horizontal lines in (a-d) indicate RR is equal to 1

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