Table 4. Comparison of RAND-36 and Symptom Scores.
| Control | Did Not Meet Criteria1 | Met Criteria1 | Sig. | |
|---|---|---|---|---|
| (n = 80) | (n = 88) | (n = 145) | ||
| M (SD) | M (SD) | M (SD) | ||
| RAND-36 Subscale2 | ||||
| Physical Functioning | 94.5 0(9.3)ab | 46.6 (24.6)ac | 32.0 (20.9)bc | *** |
| Role Physical | 93.4 (20.7)ab | 7.5 (18.3)a | 2.8 (12.5)b | *** |
| Bodily Pain | 86.0 (15.2)ab | 55.4 (24.7)ac | 40.5 (21.5)bc | *** |
| General Health | 82.2 (13.9)ab | 30.1 (19.5)ac | 23.0 (14.9)bc | *** |
| Social Functioning | 93.2 (14.3)ab | 41.2 (28.5)ac | 22.4 (21.5)bc | *** |
| Mental Health Functioning | 80.1 (15.0)ab | 69.9 (14.5)a | 65.9 (20.3)b | *** |
| Role Emotional | 92.0 (20.8)ab | 78.2 (37.3)a | 66.7 (43.3)b | *** |
| Vitality | 71.3 (17.7)ab | 20.2 (16.3)ac | 11.8 (12.1)bc | *** |
| Symptom Scores3 | ||||
| Fatigue / Extreme tiredness | 17.6 (19.3)ab | 71.6 (19.7)ac | 84.6 (13.3)bc | *** |
| Physically drained / sick after mild activity | 2.8 (10.8)ab | 56.6 (31.7)ac | 80.0 (17.3)bc | *** |
| Difficulty finding the right word to say or expressing thoughts | 15.0 (15.1)ab | 39.8 (21.9)ac | 76.0 (17.0)bc | *** |
| Unrefreshing sleep | 23.9 (22.6)ab | 69.8 (25.8)ac | 84.6 (15.9)bc | *** |
| Total symptom score | 37.9 (37.7)ab | 151.1 (49.3)ac | 221.8 (55.4)bc | *** |
p <0.001
“Criteria” indicate frequency and severity scores of 2 or greater for the four symptoms identified in the decision tree analyses
Higher scores indicate better functioning
Higher scores indicate worse symptoms