Table 1 Variable selection of the spatial Dubin model
| Â | Index name | Calculation method | Predicted impact |
|---|---|---|---|
| Â | Comprehensive health resource density index | Â | positive |
External environment variables | Population density | Resident population/total area of the region | positive |
Per capita GDP | Gross regional product/resident population | negative | |
Urbanization rate | Regional urban population/regional permanent population | positive | |
Proportion of the elderly | The proportion of people over 65 in the total population | uncertain | |
Proportion of government health expenditure in fiscal expenditure | Local financial health care Expenditure/regional GDP | positive | |
Health system variables | Proportion of hospitals in health institutions | Number of hospitals/number of health institutions | negative |
Proportion of service volume of PHC system in health institutions | Number of PHC system treatment volume/number of treatment volume institutions treatment volume | positive |