Variable

Variable description

Mean

Standard deviation

Dependent variable

Physical examination probability

Outpatient probability

Inpatient probability

Yes = 1 (1832) No = 0 (1872)

Yes = 1 (890) No = 0 (2814)

Yes = 1 (587) No = 0 (3117)

0.49

0.24

0.16

0.500

0.427

0.365

Independent variable

Living alone

Cohabitation:

Living with spouse

Living with children

Living with grandchildren

Ln (living distance)

The number of cohabitants

Yes = 1 (441) No = 0 (3263)

Yes = 1 (2553) No = 0 (1152)

Yes = 1 (1572) No = 0 (2132)

Yes = 1 (1575) No = 0 (2130)

――

――

0.12

0.69

0.42

0.43

4.49

2.31

0.324

0.463

0.494

0.494

1.35

2.095

Control variable

Potential factors

Sex

Age

Education level

Marital status

HuKou

Precipitating factors:

Income

Medical insurance

Required factors:

Self-assessment health

Chronic disease

Male = 1 (2034) Female = 0 (1670)

Aged 60 ~ 69: 2405; aged 70 ~ 79: 1068;

aged 80 ~ 100: 231

Primary school below: 2001; Primary school: 940; Middle school: 480; High school: 216;

High school above: 67

Married: 2690; Unmarried: 1014

Agriculture = 1 (2861) Non-agriculture = 0 (843)

Yes = 1 (3318) No = 0 (386)

Yes = 1 (3669) No = 0 (35)

Poor = 0 (1034) Fair = 1 (1803) Good = 2 (867)

Yes = 1 (2711) No = 0 (993)

0.55

73.82

5.29

0.73

0.77

0.10

0.99

0.95

0.73

0.498

8.098

3.040

0.446

0.419

0.306

0.097

0.715

0.443