Table 5 Descriptive statistics

Independent variables

Gender (%)

Male

39.6

42.2

Female

59.9

57.7

Missing

0.5

0.1

Age, years (%)

15–44

36.5

33.5

45–64

37.7

40.0

65-

25.3

25.6

Missing

0.5

0.9

Ethnicity (%)

Han

73.7

84.0

Hui

24.9

14.5

Others

1.5

1.6

Education level (%)

Illiterate

25.0

10.1

Primary school

21.8

14.5

Middle school

34.2

32.1

High school

13.9

26.0

Technical secondary school

3.3

5.9

Junior college

1.5

8.2

University and above

0.1

2.6

Missing

0.1

0.7

Marital status (%)

Never married

3.7

1.7

First married

55.6

83.7

Remarried

2.4

1.3

Divorced

9.0

2.6

Widowed

29.3

10.5

Missing

0.0

0.1

Chronic illness (%)

With chronic illness

48.4

34.6

Missing

0.0

0.3

Family monthly income* (yuan)

441.0

1267.0

Dependent variable (%)

Poor SRH

38.2

17.2

Missing

0.9

1.8