Table A2.

Results of Logit regression.

Variables	Coef.	Std. Err.	z	p > z	[95% Confidence Interval]
					Lower Bound	Upper Bound
Age	−0.009	0.012	−0.780	0.433	−0.032	0.014
Sex	0.163	0.207	0.790	0.431	−0.243	0.568
Marital status	0.078	0.312	0.250	0.804	−0.535	0.690
Education	0.122	0.088	1.390	0.165	−0.050	0.295
Self-rated health	0.110	0.189	0.580	0.560	−0.260	0.480
Number of chronic diseases	0.068	0.057	1.200	0.232	−0.043	0.179
Per capita income	5.94 × 10−8	0.000	0.280	0.780	−0.000	0.000
Type of Hukou	1.430	0.226	6.310	0.000	0.986	1.874
Constant	−8.107	1.088	−7.450	0.000	−10.238	−5.975