Table 1.
Variable definition and descriptive statistics.
| Variable | Definition | Unit | Mean | Variance | Minimum | Maximum | obs |
|---|---|---|---|---|---|---|---|
| Time: Time to contain the epidemic spread (reach plateau stage) | Days from the day with first case to the day after three consecutive days of zero case | Day | 26.802 | 5.907 | 11 | 42 | 126 |
| Inflow | Population inflow from Wuhan during the 2020 spring rush | 10,000 persons | 4.220 | 11.308 | .033 | 79.665 | 124 |
| Inflow ratio | Population inflow from Wuhan during the 2020 spring rush/local population | % | 0.973 | 2.955 | 0.004 | 21.817 | 120 |
| Lninflow | Log of inflow | – | −.037 | 1.608 | −3.421 | 4.378 | 124 |
| popu | City’s urban population (2017) | 10,000 persons | 260.39 | 310.450 | 28 | 2450 | 124 |
| GDP | City’s GDP (2017) | 0.1 billion Yuan | 2931.6 | 4805.90 | 184.64 | 28178.65 | 119 |
| GDPp | GDP per capita (2017) | Yuan | 75200 | 34529.15 | 20003 | 167411 | 117 |
| Garbage | Total waste treatment amount (2017) | 10,000 ton | 103.64 | 145.066 | 11.650 | 924.770 | 124 |
| Density | Urban population /Urbanized area of the city (2017) | 10,000 persons/ km2 |
1.2143 | 0.5286 | 0.0523 | 2.946 | 126 |
| med | Number of Medical practitioners/Number of confirmed cases as of March 9, 2020 | Person/ Persons |
170.80 | 186.386 | 0.520 | 980.300 | 120 |
| Hospital bed | Hospital bed number/Number of confirmed cases as of March 9, 2020 | Bed Number/ Persons |
318.26 | 347.096 | 1.309 | 2244.787 | 120 |
| Hospital | Hospitals/Number of confirmed cases as of March 9,2020 | Hospital number/ Persons |
1.417 | 1.609 | 0.006 | 9.571 | 120 |
| SARS | Provincial-level SARS confirmed cases in 2003 | Person | 127.13 | 408.059 | 0 | 2521 | 124 |