Parent–child concordance for PedsQL-MFS
| 8–12 years (α) | 13–18 years (α) | |
|---|---|---|
| Child self-report | ||
| Total fatigue | 0.89 | 0.86 |
| General fatigue | 0.90 | 0.87 |
| Sleep/rest fatigue | 0.91 | 0.86 |
| Cognitive fatigue | 0.90 | 0.87 |
| Parent proxy-report | ||
| Total fatigue | 0.89 | 0.83 |
| General fatigue | 0.90 | 0.83 |
| Sleep/rest fatigue | 0.91 | 0.84 |
| Cognitive fatigue | 0.91 | 0.86 |