Table 2 Characteristics by poor group vs. Non-poor group

Poverty

0.33

0.47

–

–

–

–

–

Catastrophic health expenditure or not

0.32

0.46

0.29

0.45

0.36

0.48

−2.41^***

Reimbursement ratio

2.37

1.82

2.32

1.83

2.5

1.79

−1.04

Martial status

0.72

0.45

0.72

0.44

0.71

0.45

0.33

Number of children

3.24

1.49

3.10

1.46

3.50

1.48

−4.21^***

Relationship with children

4.03

0.84

4.11

0.81

3.87

0.87

4.38^***

Financial support from children

1.62

1.64

1.78

1.76

1.32

1.30

4.70^***

Frequency of face-to-face interaction with children

1.97

1.37

2.06

1.40

1.79

1.27

3.17^***

Frequency of interaction by telephone with children

1.56

1.03

1.56

1.04

1.53

0.99

0.48

Social involvement

2.00

0.95

2.08

0.97

1.85

0.87

3.85^***

Economic involvement

0.55

0.63

0.57

0.64

0.51

0.62

1.60

Gender

0.58

0.49

0.61

0.48

0.52

0.50

2.78^***

Age

70.67

7.56

69.88

7.28

72.12

7.73

−4.64^***

Years of education

3.41

3.57

3.92

3.72

2.42

3.02

6.55^***