Table 1 Descriptive statistics

Total

11,092

10,397

-

-

Outcome variables

 Inpatient care utilization

710 (6.40)

884 (8.50)

34.51

< 0.001

 Unmet inpatient care need

84 (0.76)

154 (1.48)

25.68

< 0.001

 Reason for unmet inpatient care need

Unnecessary

5 (5.95)

23 (14.94)

13.68

0.003

Financial hardship

40 (47.62)

44 (28.57)

No time

15 (17.86)

21 (13.64)

Others

24 (28.57)

66 (42.86)

Need variables

 Sex

Male

5223 (47.09)

4878 (46.92)

0.06

0.802

Female

5869 (52.91)

5519 (53.08)

 Age, years

16–29

2932 (26.43)

1983 (19.07)

176.11

< 0.001

30–44

3443 (31.04)

3406 (32.76)

45–59

2944 (26.54)

3248 (31.24)

60+

1773 (15.98)

1760 (16.93)

 EQ-VAS, mean (SD)

71.94 (16.21)

69.14 (19.44)

62.03

< 0.001

 Chronic disease

No

7380 (66.53)

6136 (59.02)

433.20

< 0.001

1 kind

1657 (14.94)

2719 (26.10)

2 kinds

1328 (11.97)

1074 (10.33)

3 kinds and above

727 (6.55)

468 (4.50)

Non-need variables

 Per capita household income (RMB yuan), mean (SD)

9319.70 (14286.14)

11136.81 (19475.73)

267.85

< 0.001

 Marital status

Unmarried

1891 (17.05)

1491 (14.34)

29.78

< 0.001

Married

8209 (74.01)

7932 (76.29)

Divorced

992 (8.94)

974 (9.37)

 Employment status

Employed

9130 (82.31)

8427 (81.05)

6.35

0.042

Retired

222 (2.00)

207 (1.99)

Unemployed

1740 (15.69)

1763 (16.96)

 Education level

Lower than primary school

6151 (55.45)

5018 (48.26)

116.59

< 0.001

Primary school

3299 (29.74)

3480 (33.47)

Junior middle school

1033 (9.31)

1172 (11.27)

Senior middle school

609 (5.49)

727 (6.99)

 NRCMS

No

1871 (16.87)

1612 (15.50)

7.35

0.007

Yes

9221 (83.13)

8785 (84.50)

 URBMI

No

9482 (85.49)

8759 (84.25)

6.43

0.011

Yes

1610 (14.51)

1638 (15.75)

 UEBMI

No

10,852 (97.84)

10,045 (96.61)

29.91

< 0.001

Yes

240 (2.16)

352 (3.39)

 Other medical insurance

No

11,064 (99.75)

10,158 (97.70)

183.14

< 0.001

Yes

28 (0.25)

239 (2.30)