Demographics | Stage 1 Calibration (Gabel et al 2006) | Stage 2 Validation ULFI, QuickDASH |
---|---|---|
Participants (n) | 137 | 67 |
Responses (n) | 211 | 184 |
Age (years) | 48.4 ± 15.6 | 48.3 ± 18.6 |
Gender: Female (%) | 54 | 35 |
Dominance: Right (%) | 77 | 93 |
Injury: Duration (weeks) | 24.5 ± 28.8 | 11.7 ± 17.8 |
Time range (weeks) | 1 - 433 | 1 - 80 |
Work status: Employed (%) | 61 | 57 |
Retired (%) | 0 | 36 |
Unemployed (%) | 39 | 7 |
Injured at work (%) | 40 | 23 |
On work cover (%) | 30 | 23 |
Stage 1 Calibration (n = 137) | Factor | Stage 2 Validation (n = 67) | |||
---|---|---|---|---|---|
Question # | Item | 1 | 1 | Item | Question # |
2 | Heavy chores | .796 | .850 | Use knife | 5 |
3 | Carry bag | .744 | .828 | Heavy chores | 2 |
8 | Limited in work | .743 | .790 | Limited in work | 8 |
1 | Open jar | .704 | .782 | Open jar | 1 |
6 | Forceful recreation | .701 | .769 | Carry bag | 3 |
5 | Use knife | .696 | .749 | Wash back | 4 |
7 | Socialize | .667 | .718 | Forceful recreation | 6 |
4 | Wash back | .645 | .709 | Socialize | 7 |
9 | Pain intensity | .565 | .648 | Pain intensity | 9 |
Stage 1 Calibration (n = 137) | Stage 1 Factors | Stage 2 Factors | Stage 2 Validation (n = 67) | ||||
---|---|---|---|---|---|---|---|
Question # | Item | 1 | 2 | 1 | 2 | Item | Question # |
2 | Heavy chores | .823 | .906 | Heavy chores | 2 | ||
1 | Open jar | .709 | .888 | Open jar | 1 | ||
5 | Use knife | .661 | .701 | Use knife | 5 | ||
3 | Carry bag | .642 | .684 | Carry bag | 3 | ||
6 | Forceful recreation | .618 | .621 | Forceful recreation | 6 | ||
4 | Wash back | .616 | .567 | Wash back | 4 | ||
8 | Limited in Work | .589 | .859 | Limited in work | 8 | ||
9 | Pain intensity | .894 | .808 | Pain intensity | 9 | ||
11 | Sleep | .736 | .775 | Sleep | 11 | ||
10 | Pins and needles | .539 | .680 | Pins and needles | 10 | ||
7 | Socialize | .512 | .543 | .615 | Socialize | 7 |
Reliability | Internal consistency | Error score | Responsiveness | Missing responses | ||||
---|---|---|---|---|---|---|---|---|
Stage | Rxx (ICC) | Alpha | SEM | MDC90 | SD100 | ES | SRM | Percentage |
Calibration | (n = 46) | (n = 139) | (n = 29) | (n = 29) | (n = 29) | (n = 29) | (n = 29) | (n = 137) |
QuickDASH-9 | 0.94 | 0.89 | 4.82 | 11.22% | 20.05% | 1.19 | 1.65 | 11% |
QuickDASH | 0.94 | 0.92 | 4.98 | 11.58% | 20.71% | 1.21 | 1.75 | 12.5% |
DASH | 0.98 | 0.96 | 2.84% | 6.63% | 19.67% | 1.41 | 2.18 | 34%% |
ULFI | 0.96 | 0.89 | 4.50% | 10.50% | 21.61% | 1.28 | 1.87 | <0.5% |
Validation | (n = 22) | (n = 67) | (n = 64) | (n = 64) | (n = 64) | (n = 64) | (n = 64) | (n = 67) |
QuickDASH-9 | 0.94 | 0.925 | 7.38% | 17.18% | 26.07% | 1.05 | 1.21 | 3.5% |
QuickDASH | 0.91 | 0.92 | 6.73% | 15.66% | 23.20% | 1.05 | 1.23 | 26.5% |
ULFI | 0.98 | 0.92 | 3.41% | 7.93% | 24.16% | 0.93 | 1.25 | <0.5% |
Stage | Baseline Mean | Repeat Test * Mean | Paired t-Stat ** |
---|---|---|---|
Calibration Sample n = 31 | |||
QuickDASH-9 | 54.9 ± 20.5 | 46.9 ± 26.6 | 5.2 |
QuickDASH | 58.1 ± 20.8 | 40.6 ± 23.1 | 5.7 |
DASH | 51.6 ± 20.5 | 34.7 ± 22.2 | 6.4 |
ULFI | 58.1 ± 23.0 | 41.3 ± 26.6 | 5.6 |
Validation Sample n = 64 | |||
QuickDASH-9 | 47.0 ± 26.1 | 23.2 ± 18.6 | 4.1 |
QuickDASH | 44.4 ± 23.2 | 20.0 ± 16.1 | 4.2 |
ULFI | 41.5 ± 24.6 | 19.8 ± 19.1 | 7.6 |