Table 1 Characteristics of the caregivers and care recipients

 Male

153

41.2

 Female

218

58.2

 Age

56.67

11.77

 Marital status

(missing = 38)

 Married

305

91.6

 Widowed

12

3.6

 All others

16

4.8

 Education

(missing = 40)

 0–6 years

14

4.2

 7–15 years

213

64.4

 Above 15 years

104

31.4

 Employed

179

48.2

 Retired

106

28.6

 Unemployed

86

23.2

 Income (CNY)

(missing = 58)

  < 4000

123

39.3

 4000–6000

139

44.4

  > 6000

51

16.3

 Relationship to the recipient

(missing = 32)

 Spouse

89

26.3

 Child

227

67.0

 All others

23

6.8

 Co-residence

(missing = 25)

 Yes

165

47.7

 No

181

52.3

 Gender

(missing = 4)

 Male

129

35.1

 Female

238

64.9

 Age^a

80.73

(8.76)

 Education

(missing = 15)

 0–6 years

94

26.4

 7–15 years

203

57.0

 Above 15 years

59

16.6

 Income (CNY)

(missing = 5)

  < 4000

184

50.3

 4000–6000

149

40.7

  > 6000

33

9.0

 CCI

(missing = 6)

 CCI = 0

70

19.2

 CCI < =2

245

67.1

 CCI > =3

50

13.7

 Care duration (years)^a

7.44

4.82

 Care time (hours/week)^a

42.89

30.15

 HDL tasks

13.19

10.76

 ADL tasks

8.42

7.80

 IADL tasks

10.04

9.76

 Supervision and companionship

11.08

13.05

 CRA^a

(missing = 18)

 CRA – Disrupted schedule

2.64

.71

 CRA – Self-esteem

2.77

.53

 CRA – Lack of family support

2.63

.69

 CRA – Loss of physical strength

2.67

.68

 CRA – Financial issue

1.16

.50

 Yes

207

55.8

 No

164

44.2

 Yes

140

37.7

 No

231

62.3