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Table 1 Socio-demographic and clinical characteristics of the study sample (N = 224)

From: Family functioning and health-related quality of life of inpatients with coronary heart disease: a cross-sectional study in Lanzhou city, China

Variable

Frequency (n)

%

Gender

 Male

113

50.4

 Female

111

49.6

Age (years)

 < 60

69

30.8

 60–70

78

34.8

 > 70

77

34.4

Marital status

 Married

187

83.5

 Unmarried (single, divorced or widowed)

37

16.5

Educational level

 ≤ Junior high school

150

67.0

 Senior high school or secondary technical school

47

21.0

 ≥ College degree

27

12.0

Monthly income (Yuan)

 < 1000

52

23.2

 1000–3000

100

44.7

 > 3000

72

32.1

Residence

 Countryside

56

25.0

 City

168

75.0

Illness duration (year)

 < 1

73

32.6

 1–5

75

33.5

 5–10

42

18.8

 > 10

34

15.2

Cardiac function grade

 I

7

3.1

 II

128

57.2

 III

82

36.6

 IV

7

3.1

Disease classification

 Angina pectoris

190

84.8

 Ischemic cardiomyopathy

22

9.8

 Myocardial infarction

12

5.4