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Table 3 Comparison of sample characteristics before and after propensity score matching (PSM)

From: Health care inequality under different medical insurance schemes in a socioeconomically underdeveloped region of China: a propensity score matching analysis

 

Before PSM

After PSM

UEBMI (%)

URBMI (%)

Standardized Bias (%)

P value

UEBMI (%)

URBMI (%)

Standardized Bias (%)

P value

Age (years)

 45–59

41.83

33.40

−17.47

< 0.001

34.12

34.02

−0.21

0.777

  > 59

25.34

36.57

24.47

< 0.001

39.81

39.89

0.16

0.831

 Female

49.77

61.47

23.71

< 0.001

60.95

60.92

−0.06

0.927

Workplaces

 Enterprise

49.71

0.43

− 138.21

< 0.001

0.95

0.96

0.10

0.970

 Individual

32.85

0.36

−97.04

< 0.001

0.79

0.78

−0.11

0.966

 State-owned workplaces

16.85

99.02

302.68

< 0.001

98.25

98.25

0

1.000

Wages

 Medium

7.71

3.73

−17.20

< 0.001

8

8.21

0.77

0.306

 High

27.87

16.05

−28.85

< 0.001

35.55

35.34

−0.44

0.559

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BMC Public Health

ISSN: 1471-2458

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