Table 2.
Correlations among MFI-20 subscales and their partial correlations controlled for age or sex.
| Age Effect | |||
|---|---|---|---|
| Physical Fatigue | Reduced Activity | Reduced Motivation | |
| Physical Fatigue | 0.6777 | 0.6301 | |
| Reduced Activity | 0.6738 | 0.6893 | |
| Reduced Motivation | 0.6255 | 0.6855 | |
| Sex Effect | |||
| Physical Fatigue | General Fatigue | Mental Fatigue | |
| Physical Fatigue | 0.7392 | 0.4933 | |
| General Fatigue | 0.7356 | 0.5940 | |
| Mental Fatigue | 0.4891 | 0.5904 | |
Note: upper right triangle: Pearson correlations; lower left triangle (numbers in Italic and bold): partial correlations (controlled for sex and age, respectively). All p-values are < 0.0001.