Table 2.
Pearson correlation coefficients (p values) at T1
| Fatigue interference (FSI) |
Fatigue severity (FSI) |
Depression (PHQ-8) |
Anxiety (GAD-7) |
Sleep disturbance (ISI) |
Pain (PEG) |
AFI total | |
|---|---|---|---|---|---|---|---|
| Fatigue interference (FSI) | 1.00 | ||||||
| Fatigue severity (FSI) | 0.61 (<0.0001) |
1.00 | |||||
| Depression (PHQ-8) | 0.67 (<0.0001) |
0.41 (0.000) |
1.00 | ||||
| Anxiety (GAD-7) | 0.45 (<0.0001) |
0.28 (0.019) |
0.71 (<0.0001) |
1.00 | |||
| Sleep disturbances (ISI) | 0.41 (0.000) |
0.31 (0.009) |
0.53 (<0.0001) |
0.35 (0.003) |
1.00 | ||
| Pain (PEG) | 0.35 (0.003) |
0.38 (0.001) |
0.32 (0.007) |
0.26 (0.023) |
0.17 (0.16) |
1.00 | |
| AFI total | −0.40 (0.001) |
−0.36 (0.002) |
−0.54 (<0.0001) |
−0.55 (<0.0001) |
−0.33 (0.005) |
0.05 (0.70) |
1.00 |
FSI Fatigue Symptom Inventory, PHQ-8 eight-item Patient Health Questionnaire depression scale, GAD-7 seven-item Generalized Anxiety Disorder anxiety, ISI Insomnia Severity Index, PEG three-item abbreviated version of Brief Pain Inventory, AFI Attentional Function Index