Table 2 The effects of air pollutants on daily clinical visits for childhood ARD, HDM-ARD and NHDM-ARD
Variables | ARD | HDM-ARD | NHDM-ARD | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lag (day) | Single-day effect | Lag (day) | Cumulative effect | Lag (day) | Single-day effect | Lag (day) | Cumulative effect | Lag (day) | Single-day effect | Lag (day) | Cumulative effect | |
High level | ||||||||||||
 NO2 | 2 | 1.02 (0.98, 1.07) | 0–2 | 0.98 (0.88, 1.09) | 2 | 1.04 (0.97, 1.11) | 0–2 | 1.03 (0.88, 1.19) | 5 | 1.07 (0.96, 1.20) | 0–5 | 0.96 (0.78, 1.19) |
 SO2 | 5 | 1.02 (0.95, 1.11) | 0–2 | 0.98 (0.89, 1.08) | 5 | 1.04 (0.93, 1.17) | 0–2 | 1.00(0.87, 1.15) | 5 | 1.01 (0.91, 1.13) | 0–5 | 0.99 (0.82, 1.20) |
 PM10 | 5 | 1.06 (0.99, 1.13) | 0–5 | 1.04 (0.91, 1.18) | 5 | 1.04 (0.94, 1.14) | 0–2 | 1.02 (0.90, 1.16) | 5 | 1.09 (0.99, 1.19) | 0–5 | 1.05 (0.88, 1.26) |
 PM2.5 | 5 | 1.04 (0.98, 1.11) | 0–5 | 1.06 (0.94,1.19) | 5 | 1.04 (0.95, 1.14) | 0–5 | 1.04 (0.87, 1.24) | 5 | 1.04 (0.96, 1.14) | 0–5 | 1.08 (0.91, 1.28) |
 O3 | 5 | 1.08 (1.00, 1.17) | 0–5 | 1.19 (1.03, 1.38) | 5 | 1.13 (1.01, 1.27) | 0–5 | 1.26(1.03, 1.55) | 2 | 1.03 (0.96, 1.12) | 0–5 | 1.13 (0.89, 1.43) |
IQR increase | ||||||||||||
 NO2 | 2 | 1.01 (0.99, 1.02) | 0–2 | 0.99 (0.96, 1.03) | 2 | 1.01 (0.99, 1.03) | 0–2 | 1.01 (0.96, 1.06) | 5 | 1.02 (0.99, 1.06) | 0–5 | 0.99 (0.92, 1.06) |
 SO2 | 5 | 1.01 (0.99, 1.03) | 0–2 | 1.00 (0.97, 1.03) | 5 | 1.01 (0.98, 1.05) | 0–2 | 1.00(0.96,1.04) | 5 | 1.01(0.98,1.04) | 0–5 | 1.00 (0.95, 1.06) |
 PM10 | 5 | 1.02 (1.00, 1.04) | 0–5 | 1.01 (0.97, 1.05) | 5 | 1.01 (0.98, 1.04) | 0–2 | 1.01 (0.97, 1.05) | 5 | 1.03 (1.00, 1.05) | 0–5 | 1.02 (0.96, 1.07) |
 PM2.5 | 5 | 1.02 (0.99, 1.04) | 0–5 | 1.02 (0.97, 1.06) | 5 | 1.02 (0.99, 1.05) | 0–5 | 1.01 (0.95, .07) | 5 | 1.01 (0.98, 1.04) | 0–5 | 1.02 (0.96, 1.08) |
 O3 | 5 | 1.03 (1.00, 1.06) | 0–5 | 1.06 (1.01, 1.12) | 5 | 1.05 (1.00, 1.09) | 0–5 | 1.09 (1.01, 1.17) | 2 | 1.01 (0.98, 1.05) | 0–5 | 1.05 (0.96, 1.15) |