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Table 2 Sample characteristics of the selected respondents at baseline

From: Effect of informal care on health care utilisation for the elderly in urban and rural China: evidence from China health and retirement longitudinal study (CHARLS)

 

All (N = 5704)

Urban(N = 1427)

Rural(N = 4277)

P

mean (min,max)

Sd

mean (min,max)

Sd

mean (min,max)

Sd

Inpatient

0.36 (0, 25)

0.93

0.37 (0, 6)

0.81

0.36 (0, 25)

0.97

0.636c

Outpatient

0.46 (0, 31)

1.49

0.41 (0, 18)

1.36

0.48 (0, 31)

1.54

0.079c

Informal care

1.68 (1, 4)

1.20

1.56 (1, 4)

1.14

1.73 (1, 4)

1.22

 < 0.001a

Gender

0.49 (0, 1)

0.50

0.51 (0, 1)

0.50

0.49 (0, 1)

0.50

0.108a

Age

74.35 (65, 108)

6.54

74.13 (65, 97)

6.36

74.42 (65, 108)

6.59

 < 0.001b

Marital status

0.49 (0, 1)

0.50

0.53 (0, 1)

0.50

0.48 (0, 1)

0.50

0.004a

Education

1.86 (1, 4)

0.87

2.33 (1, 4)

1.08

1.7 (1, 4)

0.72

 < 0.001a

Chronic diseases

0.46 (0, 1)

0.50

0.47 (0, 1)

0.50

0.45 (0, 1)

0.50

0.340a

Smoke

0.26 (0, 1)

0.44

0.2 (0, 1)

0.40

0.27 (0, 1)

0.45

 < 0.001a

Drink

0.29 (0, 1)

0.46

0.3 (0, 1)

0.46

0.29 (0, 1)

0.45

0.442a

Medical insurance

0.92 (0, 1)

0.26

0.94 (0, 1)

0.24

0.92 (0, 1)

0.27

0.042a

Number of ADL limitations

0.62 (0, 6)

1.19

0.44 (0, 6)

1.02

0.68 (0, 6)

1.24

 < 0.001c

Number of IADL limitations

1.23 (0, 6)

1.56

0.74 (0, 6)

1.38

1.12 (0, 6)

1.61

 < 0.001c

Financial support

1.37 (0, 1)

1.25

1.27 (0, 1)

1.37

1.41 (0, 1)

1.20

 < 0.001a

Pension

0.16 (0, 1)

0.37

0.47 (0, 1)

0.50

0.06 (0, 1)

0.23

 < 0.001a

Self-rated health

3.09 (1, 5)

0.94

2.9 ( 1, 5)

0.91

3.15 (1, 5)

0.95

 < 0.001c

  1. Note: Sd standard deviation
  2. aoutcomes of Chi-square test
  3. boutcomes of Student-t test
  4. coutcomes of Wilcoxon rank sum test