Table 6

Self management skill scores for the intervention group after education and control group after 6 months

Outcomes measured (maximum score)GroupMedian (IQR) scoreMedian change (IQR) in score for pairs6-150Difference in median change in scoreComparison of median changes**
Immediately after intervention6 monthsImmediately after intervention - baseline6 months - immediately after intervention6 months - baseline
Self-management skills:
Slow onset (17)Intervention10.5 (8–13)11.0 (8–13)0 (−2 to 2)0 (−1 to 2)0 (−2 to 3)
(n = 34)(n = 30)(n = 34)(n = 29)(n = 30)W = 0.71
0p = 0.48
Control12.0 (8–13)0 (0 to 4)
(n = 47)(n = 47)
(p = 0.02)
 Rapid onset (23)Intervention17.0 (13–19)16.0 (13–18)2 (−1 to 5)0 (−4.5 to 2)0 (−3 to 3)
(n = 34)(n = 29)(n = 34)(n = 28)(n = 29)W = 0.66
(p = 0.04)0p = 0.51
Control16.0 (14–18)0 (−1 to 3)
(n = 47)(n=47)
  • 6-150 Wilcoxon signed rank test; **Wilcoxon rank sum test.

  • IQR = interquartile range.