Table 1 Basic information of variables and results of multicollinearity test
Variable | Unit | Variable definitions | \(\:\stackrel{-}{x}\pm\:s\) | VIF | 1/VIF |
|---|---|---|---|---|---|
Density of population | % | Population density by each region | 1205.18鈥壜扁赌�2620.02 | 2.53 | 0.39 |
Sex ratio | % | Sex ratio by each region | 102.75鈥壜扁赌�5.29 | 2.46 | 0.41 |
Aging rate | % | The proportion of people over 60 years old by each region | 0.47鈥壜扁赌�0.06 | 1.99 | 0.50 |
GDP | million | The gross domestic product by each region | 548.31鈥壜扁赌�478.08 | 1.61 | 0.62 |
Per capita GDP | 10 000 yuan | The GDP per capita by each region | 8.95鈥壜扁赌�5.64 | 2.47 | 0.41 |
Subsistence allowances ratio | person/1000 | The number of people on subsistence allowance per thousand people by each region | 2.80鈥壜扁赌�4.78 | 1.11 | 0.90 |
Urbanization ratio | % | The urbanization rate by each region | 0.48鈥壜扁赌�0.25 | 2.71 | 0.37 |
Number of beds per thousand population | beds/1000 | The number of beds per thousand population by each region | 5.29鈥壜扁赌�5.22 | 7.31 | 0.14 |
Number of medical practitioners(assistants) per thousand population | person/1000 | The number of medical practitioners(assistants) per thousand population by each region | 3.39鈥壜扁赌�2.596 | 7.45 | 0.13 |