Table 2.
RRs of different PM10 values for HFMD cases in different subgroups.
| PM10 (μg/m3)a | RR(95%CI) | |||
|---|---|---|---|---|
| Lag0 | Lag7 | Lag 0–14 (overall effect) | ||
| total | 70 | 0.99(0.98,1.01) | 1.03(1.02,1.04) | 1.36(1.25,1.48) |
| 149 | 0.99(0.98,1.01) | 1.04(1.03,1.05) | 1.47(1.34,1.61) | |
| 118b | 0.99(0.98,1.01) | 1.04(1.03,1.05) | 1.49(1.35,1.65) | |
| male | 70 | 1.00(0.98,1.02) | 1.03(1.02,1.04) | 1.45(1.30,1.62) |
| 149 | 1.01(0.99,1.03) | 1.04(1.03,1.06) | 1.55(1.38,1.75) | |
| 113b | 1.01(0.98,1.03) | 1.04(1.03,1.06) | 1.59(1.40,1.81) | |
| female | 70 | 0.98(0.96,1.00) | 1.02(1.01,1.04) | 1.25(1.09,1.43) |
| 149 | 0.98(0.95,1.00) | 1.04(1.02,1.06) | 1.36 (1.17,1.57) | |
| 131b | 0.98(0.95,1.00) | 1.04(1.02,1.05) | 1.36(1.17,1.58) | |
| EV71 | 70 | 0.91(0.81,1.03) | 1.19(1.10,1.29) | 2.31(1.08,4.98) |
| 149 | 0.92(0.79,1.07) | 1.24(1.13,1.36) | 3.95(1.70,9.17) | |
| 218c | 0.94(1.80,1.11) | 1.12(1.12,1.35) | 4.40(1.93,10.06) | |
| CV-A16 | 70 | 1.12(0.96,1.30) | 1.11 (1.02,1.21) | 6.65(2.89,15.31) |
| 149 | 1.10(0.93,1.30) | 1.15(1.04,1.26) | 7.20(2.99,17.29) | |
| 101d | 1.14(0.95,1.36) | 1.14(1.03,1.27) | 9.46(3.54,25.25) | |
a70 μg/m3 and 149 μg/m3 represent the 25th percentile and 75th percentile of PM10, respectively;
bPeak value of PM10 for total children and gender-specific HFMD cases, respectively.
c218 μg/m3 represents the peak value of PM10 for EV71-related cases.
d101 μg/m3 represents the first small peak value of PM10 for CVA16-related cases.