Table 1.

The meaning of independent variables

Independent variable	Meaning
GDP	The per capita Gross Domestic Product in China.
INF	The number of beds per 1000 people in China’s PHCI.
HR	The number of doctors and nurses per 1000 people in China’s PHCI.
EL	The level of education of Chinese residents.
ID	The number of primary care institutions per square kilometre.
PHI	The government public health investment.