Table 4.
The percent change and 95% CI for respiratory disease hospitalization associated with a 10-μg/m3 increases in air pollutants concentrations at different best lag days in multi-pollutant models.
| Variable | PM2.5 | PM10 | SO2 | NO2 | O3 |
|---|---|---|---|---|---|
| Adjusted for PM2.5 | - | 0.136(−0.401,0.676) | 0.762(0.116,1.413) * | 2.188(0.182,4.233) * | 0.409(−0.101,0.921) |
| Adjusted for PM10 | 0.414(−0.233,1.065) | - | 0.718(0.183,1.256) ** | 2.613(0.345,4.931) * | 0.381(−0.130,0.895) |
| Adjusted for SO2 | 0.020(−0.599,0.642) | 0.091(−0.336,0.520) | - | 1.552(−0.462,3.608) | 0.434(−0.075,0.944) |
| Adjusted for NO2 | 0.229(−0.292,0.752) | 0.017(−0.471,0.508) | 0.541(−0.007,1.091) | - | 0.363(−0.146,0.875) |
| Adjusted for O3 | 0.530(0.089,0.973) * | 0.371(0.002,0.740) * | 0.785(0.327,1.244) *** | 2.583(0.877,4.319) ** | - |
| Adjusted for other 4 pollutants | −0.021(−0.799,0.764) | −0.119(−0.733,0.498) | 0.618(−0.065,1.305) | 1.713(−0.674,4.157) | 0.406(−0.104,0.919) |
(Note: The best lag day was the day with the highest effect value in single-pollutant models, specifically for PM2.5 at lag02, PM10 at lag05, SO2 at lag03, NO2 at lag 05 and O3 at lag5. * p < 0.05, ** p < 0.01, *** p < 0.001).