Table 4.

Regional differences in the impact of land urbanization.

Variables	SYS-GMM
	Eastern region		Central regions		Western regions
	(1)	(2)	(3)	(4)	(5)	(6)
	Morbidity	Mortality	Morbidity	Morbidity	Mortality	Morbidity
Land urbanization	−0.9601***	−0.4067	0.6192**	0.7437*	0.0177**	0.1575**
	(−2.880)	(−0.597)	(2.326)	(1.829)	(2.017)	(2.349)
Population density	3.3630	−1.1657	−3.3557	−2.0959	4.2387	7.3419
	(1.166)	(−0.928)	(−0.480)	(−0.483)	(0.186)	(1.182)
Age	0.8765	0.3759	2.5570**	−6.1144	3.2429	1.3849**
	(0.969)	(0.053)	(2.284)	(−0.516)	(0.100)	(2.347)
rgdp	0.1287	−0.1024	0.6453	0.4276	−0.7296	−1.8042
	(0.721)	(−0.709)	(1.628)	(0.641)	(−0.164)	(−1.470)
Expend	−0.1328**	−1.2658	−1.0627*	−1.5019	−1.2157	1.8885**
	(−2.218)	(−0.316)	(−1.810)	(−0.409)	(−0.211)	(2.083)
Medical	−0.4360**	0.0076	−5.6163*	1.2861	2.4147	0.5866
	(−2.190)	(0.099)	(−1.930)	(0.515)	(0.157)	(0.533)
Air	−0.0752**	−0.0040	0.5108	0.0017	−0.2058	−0.1424
	(−2.090)	(−0.077)	(0.982)	(0.017)	(−0.101)	(−0.405)
L.disease	0.5941***	0.4867***	−1.1119***	1.4820***	−0.1200***	3.2418**
	(5.983)	(3.199)	(−3.330)	(2.994)	(−4.053)	(2.323)
AR_1	0.0374	0.015	0.0163	0.0146	0.0662	0.0209
AR_2	0.4325	0.9854	0.2254	0.2385	0.7247	0.5320
Sargan text	0.9998	1.0000	1.0000	1.0000	1.0000	1.0000
Observations	204	204	153	153	170	170

***, **, *The significance level of 1, 5 and 10%, respectively. The numbers with asterisks in the corresponding rows of all variables in the table represent the estimation coefficients, and the values in the parentheses are the corresponding T statistical values, and the P values of AR_1, AR_2, and Sargan test are provided respectively.