Table 4.
Mediating effects of air quality index on the association between human mobility and COVID-19 confirmed cases after excluding Wuhan.
| Lag0–14 |
Lag0–21 |
|||||
|---|---|---|---|---|---|---|
| Variables | Confirmed cases (log) | Air quality index | Confirmed cases (log) | Confirmed cases (log) | Air quality index | Confirmed cases (log) |
| Human mobility index | 0.0699* (0.0222–0.1176) | 7.8680* (6.3986–9.3374) | 0.0565* (0.0082–0.1048) | 0.2144* (0.1591–0.2698) | 7.6040* (6.2659–8.9421) | 0.1964* (0.1404–0.2524) |
| Air quality index | 0.0017* (0.0007–0.0026) | 0.0025* (0.0013–0.0037) | ||||
| Control variables | YES | YES | YES | YES | YES | YES |
Note: This table reports Equation (1) – (3) estimated coefficients and 95% confidence intervals of interest variable and mediator.
*p < 0.05.