Table 4.

OR (95% CI) of respiratory diseases ED visits for each interquartile range change in two-pollutant models.

	OR (95% CI) of Respiratory Disease-Related ED Visits for Each Interquartile Range Change in Two-Pollutant Models after Adjusting for Temperature and Humidity
	Adjust PM2.5	Adjust PM10	Adjust NO2	Adjust O3
PM2.5		1.128 (1.055–1.207)	1.186 (1.138–1.236)	1.259 (1.212–1.308)
PM10	1.125 (1.050–1.204)		1.189 (1.139–1.240)	1.258 (1.211–1.307)
NO2	1.119 (1.065–1.176)	1.118 (1.064–1.176)		1.240 (1.188–1.295)
O3	0.965 (0.929–1.004)	0.975 (0.939–1.013)	1.050 (1.013–1.089)