Table 6 One-week test-retest reliability of the B-FIQ in FM patients (n = 40)
FIQ item | B-FIQ score | Spearman’s r | |
|---|---|---|---|
Time 1 | Time 2 | ||
Physical function | 4.8 ± 2.5 | 5.2 ± 2.1 | 0.860 |
Days felt good | 5.1 ± 2.1 | 4.8 ± 2.2 | 0.773 |
Workdays missed | 2.0 ± 0.4 | 1.7 ± 0.4 | 0.862 |
Ability to do job | 6.7 ± 2.3 | 7.2 ± 2.1 | 0.809 |
Pain | 7.0 ± 2.3 | 6.9 ± 2.4 | 0.773 |
Morning tiredness | 7.8 ± 2.7 | 7.3 ± 2.6 | 0.643 |
Fatigue | 6.8 ± 2.9 | 6.5 ± 2.9 | 0.887 |
Stiffness | 4.6 ± 3.5 | 5.1 ± 3.4 | 0.793 |
Anxiety | 7.4 ± 2.7 | 9.6 ± 2.4 | 0.265 |
Depression | 6.7 ± 3.0 | 7.1 ± 2.9 | 0.733 |
Total | 61.9 ± 15.7 | 62.9 ± 16.0 | 0.899 |