Table 5.

Robustness test (replace the explained variable).

Variable	OLS			Tobit
	(1)	(2)	(3)	(4)	(5)	(6)
Exercise frequency	0.003***	0.003***	0.003***	0.003***	0.003***	0.003***
	(3.22)	(3.08)	(3.10)	(3.22)	(3.08)	(3.10)
Rural types		0.007	0.008		0.007	0.008
		(1.16)	(1.23)		(1.16)	(1.24)
Gender		0.016***	0.018***		0.016***	0.018***
		(2.78)	(2.94)		(2.78)	(2.94)
Age		0.000	0.000		0.000	0.000
		(1.26)	(1.23)		(1.26)	(1.23)
Marriage status		0.036***	0.034***		0.036***	0.034***
		(4.21)	(3.93)		(4.21)	(3.94)
Party membership		−0.013	−0.013		−0.013	−0.013
		(−0.35)	(−0.36)		(−0.35)	(−0.36)
Education level		0.005*	0.005*		0.005*	0.005*
		(1.67)	(1.65)		(1.67)	(1.65)
Happiness level		−0.003**	−0.003**		−0.003**	−0.003**
		(−2.06)	(−2.43)		(−2.06)	(−2.43)
Hospitalization experience		−0.011	−0.012		−0.011	−0.012
		(−1.23)	(−1.29)		(−1.23)	(−1.30)
Chronic disease		−0.020***	−0.021***		−0.020***	−0.021***
		(−2.59)	(−2.71)		(−2.59)	(−2.71)
Medical insurance		0.002	0.001		0.002	0.001
		(0.17)	(0.06)		(0.17)	(0.06)
Household income		0.010***	0.010***		0.010***	0.010***
		(3.80)	(3.86)		(3.81)	(3.87)
Household expenditure		0.005	0.006*		0.005	0.006*
		(1.49)	(1.76)		(1.49)	(1.77)
Family size		−0.001	−0.001		−0.001	−0.001
		(−0.76)	(−0.33)		(−0.76)	(−0.33)
Healthcare expenditure		0.001	0.001		0.001	0.001
		(0.91)	(0.82)		(0.91)	(0.82)
Neighbor relations		0.001	0.001		0.001	0.001
		(0.74)	(0.50)		(0.74)	(0.50)
Gift expenditure		0.021**	0.018*		0.021**	0.018*
		(2.09)	(1.77)		(2.09)	(1.78)
_cons	0.921***	0.668***	0.686***	0.921***	0.668***	0.686***
	(30.24)	(18.88)	(14.37)	(30.29)	(18.90)	(14.40)
Regional fixed effects	Yes	No	Yes	Yes	No	Yes
N	10,543	10,543	10,543	10,543	10,543	10,543
R-squared	0.005	0.011	0.015

^***, ^**, and ^* respectively indicate significance at the 1, 5, and 10% levels.