Table 8.

Robustness test.

	Healthcare services expenditure		Healthcare services quality
	Model 5	Model 6	Model 7	Model 8
Gini coefficient	−0.216***	−0.365***	−0.448**	−0.516***
	(−3.041)	(−3.228)	(−2.481)	(−4.458)
Household income		0.209***		0.147***
		(3.125)		(3.675)
Public transfer income		0.269***		0.412*
		(3.449)		(1.852)
Control variables	Yes	Yes	Yes	Yes
LR/Wald test	441.510***	516.221***	385.750***	462.175***

^*p < 0.1, ^**p < 0.05, ^***p < 0.01.