Table 2. The relative risks of different temperatures for age-specific and gender-specific HFMD cases in Chengdu.
| Temperature( °C)a | RR(95%CI) |
|||
|---|---|---|---|---|
| Lag0 | Lag14 | Lag0–30(overall effect) | ||
| total | 4.1 | 0.95(0.93,0.97) | 1.05(1.04,1.06) | 1.55(1.37,1.76) |
| 14.0b | 1.04(1.02,1.07) | 1.11(1.09,1.13) | 14.14(12.15,16.46) | |
| 17.2 | 1.06(1.03,1.10) | 1.08(1.07,1.10) | 8.42(7.17,9.88) | |
| 23.2b | 1.14(1.11,1.17) | 1.10(1.08,1.12) | 10.66(9.08,12.51) | |
| 27.0 | 1.09(1.06,1.13) | 1.05(1.04,1.07) | 2.05(1.73,2.43) | |
| male | 4.1 | 0.96(0.94,0.98) | 1.04(1.03,1.05) | 1.59(1.35,1.87) |
| 14.0b | 1.07(1.03,1.11) | 1.10(1.08,1.12) | 14.76(12.12,17.97) | |
| 17.2 | 1.09(1.04,1.13) | 1.08(1.05,1.10) | 8.82(7.17,10.86) | |
| 23.2b | 1.15(1.11,1.20) | 1.10(1.07,1.12) | 11.03(8.96,13.57) | |
| 27.0 | 1.10(1.06,1.15) | 1.05(1.03,1.07) | 2.14(1.72,2.67) | |
| female | 4.1 | 0.93(0.90,0.96) | 1.05(1.04,1.07) | 1.50(1.23,1.82) |
| 14.0b | 1.01(0.97,1.05) | 1.12(1.10,1.15) | 13.31(10.48,16.90) | |
| 17.2 | 1.04(0.99,1.08) | 1.09(1.06,1.12) | 7.87(6.11,10.12) | |
| 23.2b | 1.12(1.07,1.17) | 1.11(1.08,1.13) | 10.16(7.90,13.06) | |
| 27.0 | 1.08(1.02,1.13) | 1.06(1.03,1.09) | 1.92(1.47,2.51) | |
| <1 year | 4.1 | 1.02(0.94,1.10) | 1.03(0.99,1.07) | 2.29(1.39,3.78) |
| 14.1b | 1.15(1.03,1.29) | 1.09(1.03,1.16) | 22.47(12.08,41.78) | |
| 17.2 | 1.19(1.06,1.34) | 1.07(1.00,1.14) | 14.85(7.76,28.44) | |
| 23.7b | 1.29(1.13,1.44) | 1.06(1.00,1.13) | 20.28 (10.60,38.82) | |
| 27.0 | 1.31(1.16,1.48) | 1.03(0.97,1.10) | 8.82(4.50,17.29) | |
| 1–2 years | 4.1 | 0.99(0.97,1.02) | 1.03(1.02,1.04) | 1.67(1.42,1.96) |
| 14.0b | 1.11(1.06,1.15) | 1.09(1.07,1.11) | 13.46(11.06,16.38) | |
| 17.2 | 1.12(1.08,1.17) | 1.06(1.04,1.09) | 8.18(6.64,10.06) | |
| 23.3b | 1.18(1.14,1.23) | 1.08(1.06,1.11) | 10.33(8.40,12.71) | |
| 27.0 | 1.15(1.10,1.20) | 1.04(1.02,1.06) | 2.47(1.98,3.07) | |
| 3–5 years | 4.1 | 0.86(0.83,0.89) | 1.08(1.06,1.10) | 1.35(1.08,1.69) |
| 14.0b | 0.93(0.88,0.97) | 1.16(1.12,1.19) | 15.89(12.07,20.93) | |
| 17.2 | 0.94(0.89,0.99) | 1.12(1.09,1.16) | 8.54(6.39,11.41) | |
| 23.0b | 1.03(0.98,1.09) | 1.15(1.12,1.19) | 11.51(8.62,15.38) | |
| 27.0 | 0.93(0.88,0.98) | 1.08(1.05,1.12) | 0.91(0.67,1.25) | |
| 6–14 years | 4.1 | 0.88(0.78,0.99) | 1.05(0.99,1.12) | 1.15(0.55,2.42) |
| 14.1b | 0.98(0.83,1.16) | 1.08(0.99,1.19) | 8.10(3.32,19.76) | |
| 17.2 | 1.06(0.89,1.26) | 1.05(0.96,1.16) | 5.21(2.03,13.38) | |
| 23.1b | 1.23(1.03,1.46) | 1.07(0.97,1.18) | 10.60(4.12,27.30) | |
| 27.0 | 1.15(0.96,1.38) | 1.03(0.93,1.14) | 0.94(0.34,2.58) | |
a4.1 °C, 17.2 °C and 27.0 °C represented the 5th percentile, 50th percentile and 95th percentile of temperature in Chengdu, respectively.
bThe two peak values of temperature for total children, gender-specific and age-specific HFMD cases, respectively.