Table 1 Descriptive statistics of variables
Variable | Definition | Obs | Mean | Std. | Min | Max |
|---|---|---|---|---|---|---|
NCOV | Number of infected people (people) | 31 | 2619.581 | 12,164.41 | 1 | 68,127 |
PHM | Number of people who migrated from Hubei to another province (10,000 people) | 30 | 31.87 | 74.059 | 0.85 | 397.34 |
PMH | Number of people who migrated from another province to Hubei(10,000 people) | 30 | 9.891 | 9.973 | 0.6 | 44.89 |
P | Number of permanent residents in each province (10,000 people) | 31 | 4395.032 | 2797.833 | 318 | 10,724 |
PD | Population density, number of people per km2 (people) | 31 | 453.376 | 705.27 | 2.59 | 3825.99 |
TD | Traffic density, mileage per km2 (km) | 31 | 0.955 | 0.571 | 0.06 | 2.46 |
neighbor | Whether it neighbors Hubei, yes = 1, no = 0 | 30 | 0.233 | 0.43 | 0 | 1 |
region | Whether it is in southern China, yes = 1, no = 0 | 30 | 0.467 | 0.507 | 0 | 1 |
QHrail | Number of high-speed trains between the provincial capital and Wuhan (trains) | 30 | 21.1 | 26.61 | 0 | 99 |
distance | Distance from Hubei (km) | 30 | 1230.333 | 721.342 | 327.1 | 3263.8 |
comparison | Whether the disposable income per capita is higher than that in Hubei, yes = 1, no = 0 | 31 | 0.387 | 0.495 | 0 | 1 |
Over65 | the proportion of population over 65 years old | 31 | 0.096 | 0.02 | 0.05 | 0.14 |
FiveA | the comparison of number of 5A-level scenic spots between the province and Hubei | 31 | 0.226 | 0.425 | 0 | 1 |
Emergency | whether to start the first level response before January 24 | 31 | 0.581 | 0.502 | 0 | 1 |