Table 1. Comprehensive evaluation indicators of urbanization level.

First-grade indicator	Second-grade indicator	Weight
Urbanization of population	Percentage of urban population (%)	0.069
	Population density (persons/km2)	0.075
Urbanization of land use	Built-up area (km2)	0.132
Economic urbanization	GDP per capita (CNY)	0.119
	Gross industrial output per capita (CNY)	0.101
	Total retail sales of consumer goods (CNY)	0.129
	Proportion of the added value of the tertiary industry to GDP (%)	0.158
	Total investment in fixed assets (CNY)	0.065
Social urbanization	Number of doctors per 10,000 people (persons)	0.154

GDP: Gross domestic product; CNY: Chinese Yuan.