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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)
  1. CI Confidential Interval