Table 3 The evaluation indexes of private clinics in the main urban area of Guiyang
Dimension | Proxy variable | Data sources and calculation methods (unit) |
|---|---|---|
Natural environment | X1 DEM | Extracted by GIS analysis (m) |
X2 SOLP | Extracted by GIS analysis (%) | |
Economic | X3 GDP per capita | Center for Resources and Environmental Science and Data, Cas(1 km × 1 km) |
Demographic | X4 Population density | WorldPop (2020 https://www.worldpop.org/)(person/km2) |
Traffic | X5 Road density | HD satellite image interpretation(km/km2) |
Land-use | X6 Share of residential land area | HD satellite image interpretation(km2) |
X7 Share of commercial land area | HD satellite image interpretation(km2) | |
Spatial distance | X8 Distance to hospitals above the municipal level | Extracted by GIS analysis(km) |