Table 4 Independence of all five classes and the three classes defining ill/fatigued subjects
From: Replication of an empirical approach to delineate the heterogeneity of chronic unexplained fatigue
| Â | All Classes | Â | 3 Ill Classes | Â |
|---|---|---|---|---|
Disability (SF-36) | χ 2 | P | χ 2 | P |
Physical functioning | 129.2 | 0.000 | 26.8 | 0.000 |
Mental health | 133.5 | 0.000 | 48.0 | 0.000 |
Social functioning | 159.1 | 0.000 | 57.1 | 0.000 |
Fatigue (MFI) | Â | Â | Â | Â |
General fatigue | 177.8 | 0.000 | 47.1 | 0.000 |
Physical fatigue | 149.2 | 0.000 | 22.7 | 0.000 |
Mental fatigue | 164.4 | 0.000 | 64.5 | 0.000 |
Activity reduction | 80.1 | 0.000 | 17.6 | 0.000 |
Motivation reduction | 117.4 | 0.000 | 30.2 | 0.000 |