Table 1.

Demographic characteristics of residents (N = 24,741)

Variable	Urban residents(N = 11,416)					Rural residents(N = 13,325)					p-value
		Good	General	Poor	p-value		Good	General	Poor	p-value
Total		67.21	25.88	6.91			68.56	22.90	8.54		***
Gender
Male	47.94	71.37	22.58	6.05	***	49.37	72.77	20.42	6.81	***	*
Female	52.06	63.39	28.91	7.71		50.63	64.44	25.33	10.23
Age
≤ 29 years	15.69	87.72	11.22	1.06	***	17.26	87.83	10.48	1.70	***	***
30–39 years	25.23	75.66	20.58	3.78		22.97	77.95	18.03	4.02
40–49 years	29.67	63.09	27.34	9.57		29.37	67.35	24.55	8.10
50–59 years	22.10	53.82	36.46	9.71		22.49	54.92	30.53	14.55
≥ 60 years	7.31	51.26	37.72	11.02		7.90	42.45	36.37	21.18
Education level
Primary school or below	8.51	48.30	35.63	16.07	***	42.32	57.76	28.04	14.20	***	***
Junior or senior high school	61.20	64.78	27.31	7.91		55.78	76.19	19.36	4.45
Postsecondary or above	30.29	77.44	20.24	2.31		1.90	84.98	12.65	2.37
Marital status
Never married	10.86	85.89	10.89	3.23	***	9.03	82.38	12.47	5.15	***	***
Married	81.94	66.26	27.11	6.63		85.82	68.19	23.45	8.36
Divorced	4.21	54.89	30.98	14.14		1.45	63.21	27.46	9.33
Widowed	2.99	42.82	39.30	17.89		3.71	45.34	34.01	20.65
Father’s education level
Primary school or below	51.53	60.77	30.02	9.21	***	78.39	65.60	24.73	9.67	***	***
Junior or senior high school	41.56	74.14	21.27	4.60		21.23	79.32	16.26	4.42
Postsecondary or above	6.91	73.64	22.69	3.68		0.38	76.00	18.00	6.00

^* p < 0.05, ^** p < 0.01, ^*** p < 0.001