Table 2.
Estimated relationships (log-log model) of COVID-19 detected cases as a function of the density of population in Japanese cities from July to September 2021
| Dependent variables | |||||
|---|---|---|---|---|---|
| COVID-19 detected cases till July 5, 2021 | COVID-19 detected cases till August 9, 2021 | COVID-19 detected cases from July 6 to August 9, 2021 | COVID-19 detected cases till September 5, 2021 | COVID-19 detected cases from August 9 to September 5, 2021 | |
| Coefficient b | 1.241*** | 1.242*** | 1.262*** | 1.232*** | 1.217*** |
| Constant a | 1.493* | 1.700** | -0.147 | 2.212*** | 1.273** |
| F-test | 151.35*** | 171.98*** | 140.73*** | 176.07*** | 159.045*** |
| R2 | 0.896 | 0.823 | 0.792 | 0.826 | 0.811 |
Note. Explanatory variable is density of population per km2. F is the ratio of the variance explained by the model to the unexplained variance; R2 is the coefficient of determination adj.
***Significant at 1‰; **significant at 1%; *significant at 5%