Table 1.

Sample characteristics by levels of healthcare facilities, 2014 (%)

Characteristics	Total	Levels of healthcare facilities
	n=6121	Primary n=704	Secondary n=2749	Tertiary n=2668
Social health insurance				***
No insurance	13.87	16.90	13.75	13.19
NCMS	58.08	66.48	59.88	54.01
URBMI	7.09	6.53	6.40	7.95
UEBMI	20.96	10.09	19.97	24.85
Commercial health insurance	5.85	4.12	5.67	6.48
Female	76.78	73.72	78.06	76.27*
Age (years)†	31.95 (8.51)	31.90 (8.72)	31.17 (8.25)	32.78*** (8.65)
Married	92.53	91.05	93.31	92.13
Rural Hukou	82.50	93.04	85.41	76.72***
Education				***
Primary school or below	13.04	18.61	13.13	11.47
Junior high school	45.76	54.97	48.34	40.67
Senior high school	20.54	17.76	19.61	22.23
College or above	20.67	8.66	18.92	25.64
Monthly income per capita (1000 RMB)†	2.28 (2.42)	1.97 (1.39)	2.25 (2.42)	2.39*** (2.61)
Having any job	56.49	59.38	56.49	55.73
Moving to urban area	70.79	54.55	67.37	78.60***
Migration region				***
Across province	48.93	58.52	53.91	41.27
Across city within province	30.94	28.13	26.96	35.79
Across county within city	20.13	13.35	19.13	22.94
Migration time (years)				***
0–1	34.83	38.78	38.45	30.06
2–3	23.07	21.73	21.94	24.59
4–6	20.52	20.17	19.68	21.48
7 or more	21.58	19.32	19.93	23.88
Places of hospitalisation				***
New city of residence	70.33	63.92	64.35	78.19
Hometown	21.74	32.39	29.90	10.53
Others	7.92	3.69	5.75	11.28
Reasons of hospitalisation				***
Disease	29.21	33.52	25.32	32.08
Childbirth	58.90	55.40	62.93	55.66
Others	11.89	11.08	11.75	12.26

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

†Mean, SD.

NCMS, New Rural Cooperative Medical Scheme; UEBMI, Urban Employee Basic Medical Insurance; URBMI, Urban Resident Basic Medical Insurance.