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. 2017 Oct 27;16:186. doi: 10.1186/s12939-017-0667-y

Table 1.

Description of variables (N/% or means)

N percent(%)/mean
Healthcare Utilization
Two-week outpatient rate Visit 2300 9.89
Annual inpatient rate Hospitalized 2623 11.27
Need variables
 Age(years) 15–24* 2456 10.56
25–34 2967 12.75
35–44 4610 19.82
45–54 5215 22.42
55–64 4233 18.20
65-max 3783 16.26
 Illness in last two weeks Not sick* 18,052 77.60
Sick 5212 22.40
 Chronic disease Not sick* 17,432 74.93
Sick 5832 25.07
 Self-rated health Good* 16,382 70.42
Bad 6882 29.58
Control variables
 Educational status Illiterate* 5038 21.66
Primary school 5750 24.72
Junior high school 8010 34.43
Senior high school 3012 12.95
Junior college and above 1454 6.25
 Marital status Unmarried* 2219 9.54
married 18,680 80.30
Widowed and divorced 2365 10.17
 Employment status Employed* 16,179 69.55
retirement 1385 5.95
student 1053 4.53
unemployed 4647 19.98
 Economic status Lowest group* 4653 20.00
Lower group 4654 20.01
Medium group 4792 20.60
Higher group 4536 19.50
Highest group 4629 19.90
Basic medical insurance UEBMI 2035 8.75
URBMI 1341 5.76
NRCMS 18,210 78.28
URRBMI 1293 5.56
Uninsured 385 1.65
Urban/rural area rural* 14,684 63.12
urban 8580 36.88
region Shannan* 7314 31.44
Guanzhong 12,187 52.39
Shanbei 3763 16.18
Adjusted family size 23,264 2.20

*Reference levels in the Probit regression. UEBMI: Urban Employee Basic Medical Insurance; URBMI: Urban Residents Basic Medical Insurance; NRCMS: New Rural Cooperative Medical Scheme; URRBMI: Urban and Rural Residents Basic Medical Insurance