Table 5.

Fixed effects regressions of province-level characteristics with I(3), I(4), and I(5)

	I(3)		I(4)		I(5)
Variable	Coef.	Sig.	Coef.	Sig.	Coef.	Sig.
Age14	−2.134	†	−2.225	†	−2.248
Primary school enrollments	−0.0001		−0.0001		−0.0001
Middle school enrollments	−0.0005	*	−0.0005	*	−0.0005	†
Urbanization rate	−3.04	***	−3.30	***	−3.497	***
LnGDP	−0.239	†	−0.243	†	−0.244	†
Engel Coefficient	0.946		0.966		0.933
Unemployment rate	0.588		1.497		2.172
Health expenditure	−0.0022	***	−0.0023	***	−0.0023	***
Health Institutions Density	0.007	†	0.008	*	0.0086	†
Hospital beds	0.020		0.166		0.013
Constant	3.777	**	3.948	**	4.082	**
R2	0.9525		0.9488		0.9426
Hausman-test	chi2 (7) =27.71	***	chi2 (7) =26.82	***	chi2 (7) =25.67	***

Note: Authors’ calculations from the CHNS data (1989, 19991, 1993, 2000, 2004, 2006 and 2009).

†P < 0.1, *P < 0.05, **P < 0.01, ***P < 0.001.