Table 3 Lags in which associations are established between the daily values of the independent variables and the analyzed COVID-19 variables
PM10 (µg/m3) | NO2 (µg/m3) | Daily maximum temperature Tmax (°C) | Absolute humidity AH (g/m3) | ||
|---|---|---|---|---|---|
Incidence rate | Single variable | 12 | 0/14/21 | 7/14 | 7/16/18/23 |
Two variables | Without effect | 0/14/21 | 14 | 16/18/23 | |
All variables | Without effect | 0/14 | 14 | 18/23 | |
Hospital admissions rate | Single variable | 20 | 5/19 | 7/14/27 | 4/16/20/25/29 |
Two variables | Without effect | 5/19 | 7/14 | 16/20 | |
All variables | 18 | Without effect | 7/14 | 16/20 | |
Intensive care unit admissions rate | Single variable | 14/19 | 0/21/28 | 11 | 15/21/23 |
Two variables | Without effect | 0/21/28 | 11 | 15/21 | |
All variables | Without effect | 21/28 | Without effect | 15/21 | |
Mortality rate | Single variable | 21 | Without effect | Without effect | Without effect |