Table 2.
The estimated RRs with 95% CIs of non-accidental mortality in emergency department visits per 10 μg/m3 increase in air pollutants (5 μg/m3 in SO2, 0.5 mg/m3 in CO) in single-pollutant models at different lag days.
| Lag days | PM2.5 | PM10 | SO2 | NO2 | O3 | CO |
|---|---|---|---|---|---|---|
| Lag 0 | 1.004 (0.997, 1.010) | 1.003 (0.999, 1.006) | 1.006 (0.983, 1.030) | 1.010 (0.994, 1.026) | 1.006 (0.993, 1.019) | 1.019 (0.994, 1.045) |
| Lag 1 | 1.001 (0.996, 1.007) | 1.003 (0.999, 1.006) | 1.009 (0.987, 1.033) | 1.006 (0.991, 1.021) | 1.008 (0.997, 1.019) | 1.011 (0.989, 1.034) |
| Lag 2 | 1.003 (0.998, 1.008) | 1.003 (1.000, 1.006) | 1.013 (0.992, 1.034) | 1.008 (0.995, 1.021) | 1.007 (0.996, 1.017) | 1.014 (0.993, 1.035) |
| Lag 3 | 1.006 (1.001, 1.010)a | 1.003 (0.999, 1.006) | 1.028 (1.007, 1.050)b | 1.022 (1.010,1.035)b | 1.003 (0.993, 1.014) | 1.026 (1.005, 1.047)a |
| Lag 4 | 1.003 (0.999, 1.008) | 1.000 (0.997, 1.004) | 1.005 (0.984, 1.027) | 1.010 (0.997, 1.022) | 1.013 (1.003, 1.023)a | 1.016 (0.996, 1.037) |
| Lag 5 | 1.001 (0.996, 1.006) | 1.002 (0.999, 1.006) | 0.996 (0.975, 1.018) | 1.004 (0.992, 1.017) | 1.013 (1.003, 1.023)b | 1.000 (0.979, 1.020) |
| Lag 01 | 1.004 (0.997, 1.010) | 1.004 (1.000, 1.008) | 1.014 (0.983, 1.046) | 1.013 (0.994, 1.033) | 1.011 (0.996, 1.026) | 1.021 (0.993, 1.049) |
| Lag 02 | 1.005 (0.998, 1.012) | 1.005 (1.000, 1.010)a | 1.026 (0.990, 1.064) | 1.018 (0.996, 1.040) | 1.015 (0.998, 1.031) | 1.023 (0.994, 1.053) |
| Lag 03 | 1.007 (1.000, 1.015) | 1.006 (1.001, 1.012)a | 1.050 (1.009, 1.092)a | 1.033 (1.010, 1.057)b | 1.016 (0.998, 1.034) | 1.032 (1.002, 1.064)a |
| Lag 04 | 1.008 (1.001, 1.016)a | 1.006 (1.000, 1.012)a | 1.054 (1.009, 1.100)a | 1.038 (1.013, 1.063)b | 1.025 (1.005, 1.045)a | 1.034 (1.004, 1.066)a |
| Lag 05 | 1.008 (1.000, 1.017) | 1.007 (1.001, 1.013)a | 1.052 (1.003, 1.103)a | 1.037 (1.012, 1.064)b | 1.032 (1.011, 1.054)b | 1.032 (1.000, 1.064)a |
ap < 0.05.
bp < 0.01.