Table 1.

The definition of the variables.

Variable Types	Variable Name	Variable Definition
Dependent variable	lnHCE	Per capita health expenditure in each region (yuan) in the form of natural logarithm
Environment pollution variables	lnIWGE	Per capita IWGE in each region (ton/10 thousand people) in the form of logarithm
Economic variables	lnINCOME	Per capita income in each region (yuan) in the form of natural logarithm
Public service variables	lnGFE	Per capita government financial expenditure in each region (yuan) in the form of natural logarithm
	lnHT	Number of health technicians per thousand population in each region in the form of natural logarithm
Social variable	lnDCLI	Density of commercial life insurance in each region in the form of natural logarithm
Family and personal variables	lnODR	Old dependency ratio in each region in the form of natural logarithm
	lnCD	The number of chronic disease each region (1000 people) in the form of natural logarithm