Table 3 Results of the balance test after PSM

Gender

0.4947

0.48941

1.1

65.1

0.27

0.785

Age

61.664

61.43

2.4

38.2

0.62

0.537

Marital

0.89032

0.88918

0.3

96.6

0.09

0.926

Retire

0.36309

0.37557

-2.6

67.7

-0.66

0.506

Education

1.969

2.0079

-3.7

17.2

-0.94

0.345

Live

0.2829

0.25605

5.8

92.5

1.56

0.120

Care

0.72617

0.72504

0.3

92.5

0.07

0.948

Barthel

1.5832

1.5923

-1.6

81.8

-0.43

0.668

_Iarea_2

0.3177

0.30219

3.4

44.6

0.86

0.389

_Iarea_3

0.25416

0.26853

-3.2

83.0

-0.84

0.401

Asset

2.7405

2.7156

2.3

91.2

0.60

0.550

Selfhealth

2.8427

2.8279

1.6

86.7

0.40

0.687

Chronic

1.9425

1.9497

-0.4

78.4

-0.10

0.918

Smoke

0.31467

0.30522

2.1

75.3

0.53

0.599

Drink

0.74357

0.7171

5.7

79.3

1.53

0.125