Table 1.
Percentage change of daily count of COVID-19 with one centigrade increase of temperature and one percent increase of relative humidity and the effects on Rt in country-based and region-based scales.
| Variables | Region | Daily count |
I2 (%) | Cochran Q test |
Rt |
||
|---|---|---|---|---|---|---|---|
| Pooled Estimate % (95%CI) | Stat | df | p | Pooled Estimate (95%CI) | |||
| Temperature | Total | 4.08 (−5.82, 15.03) | 47.90 | 88.29 | 46 | <0.01 | −0.03 (−0.11, 0.05) |
| Central China | 5.13 (−8.61, 20.92) | 48.03 | 51.95 | 27 | <0.01 | −0.06 (−0.16, 0.04) | |
| East China | 2.02 (−19.75, 29.69) | 51.52 | 20.63 | 10 | 0.02 | 0.1 (−0.12, 0.32) | |
| North China | −9.52 (−32.29, 20.92) | 61.65 | 2.59 | 1 | 0.11 | 0.52 (−0.24, 1.28) | |
| Northeast China | 31.00 (2.02, 68.2) | – | 0 | 0 | 1 | 0.74 (−0.16, 1.64) | |
| Northwest China | −28.11 (−84.12, 225.44) | – | 0 | 0 | 1 | −0.07 (−0.85, 0.71) | |
| South China | 2.02 (−26.66, 41.91) | 0 | 0.43 | 1 | 0.51 | −0.11 (−0.31, 0.09) | |
| Southwest China | 71.6 (−39.35, 385.5) | 78.61 | 4.76 | 1 | 0.03 | 0.33 (−0.22, 0.88) | |
| Relative humidity | Total | −1.98 (−3.92, 0.1) | 32.86 | 68.51 | 46 | 0.02 | −0.02 (−0.04, 0.0001) |
| Central China | −3.92 (-5.82, -1.98) | 0 | 24.12 | 27 | 0.62 | −0.02 (−0.04, 0.001) | |
| East China | 1.01 (−4.88, 7.25) | 56.83 | 23.17 | 10 | 0.01 | −0.02 (−0.06, 0.02) | |
| North China | 0 (−9.52, 10.52) | 21.17 | 1.27 | 1 | 0.26 | −0.01 (−0.11, 0.09) | |
| Northeast China | −19.75 (−38.74, 5.13) | – | 0 | 0 | 1 | −0.29 (−0.64, 0.06) | |
| Northwest China | −9.52 (−28.82, 15.03) | – | 0 | 0 | 1 | −0.01 (−0.11, 0.09) | |
| South China | 7.25 (−1, 16.18) | 0 | 0.92 | 1 | 0.34 | 0.01 (−0.05, 0.07) | |
| Southwest China | 3.05 (−32.97, 58.41) | 81.78 | 5.49 | 1 | 0.02 | 0.04 (−0.08, 0.16) | |