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Table 3 Ordinal coefficient alpha and RAND-36 subscale scores for the two patient groups

From: The Swedish RAND-36 Health Survey - reliability and responsiveness assessed in patient populations using Svensson’s method for paired ordinal data

RAND – 36 subscales

Ordinal α

Subscale scores Mean (95% CI)

 

Total population (n = 181)

Dialysis patients (n = 84)

Cardiac rehabilitation patients (n = 97)

Baseline

Retest

Baseline

Follow up

Physical functioning

0.97

46 (39–53)

47 (40–54)

61 (57–64)

73 (70–77)

Role functioning/ physical

0.97

24 (16–32)

30 (22–38)

27 (21–32)

48 (42–54)

Pain

0.93

57 (51–64)

62 (56–69)

54 (50–58)

74 (70–77)

General health

0.86

37 (32–41)

36 (32–41)

57 (55–60)

62 (59–65)

Energy/fatigue

0.89

48 (44–53)

48 (43–53)

51 (48–54)

64 (61–67)

Social functioning

0.89

61 (55–66)

58 (52–64)

63 (59–66)

77 (74–80)

Role functioning/ emotional

0.94

55 (45–65)

54 (44–63)

56 (50–62)

66 (60–71)

Emotional well-being

0.90

68 (63–73)

70 (65–75)

71 (68–73)

78 (75–80)

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