Table 5 Cronbach’s Alpha, Intraclass Correlation Coefficients (ICC), Standard error of Measurement (SEM) and Smallest Detectable Change (SDC) of the Dutch version of the WORC (0-100)
From: The conceptually equivalent Dutch version of the Western Ontario Rotator Cuff Index (WORC)©
Cronbach’s Alpha | ICC (95% CI) | SEM | SDC | |
|---|---|---|---|---|
WORC score total | 0.95 | 0.91 (0.85-0.95) | 6.0 | 16.7 |
WORC-physical symptoms | 0.82 | 0.79 (0.65-0.88) | 10.0 | 27.6 |
WORC-sports and recreation | 0.79 | 0.88 (0.79-0.93) | 8.4 | 23.4 |
WORC-work | 0.85 | 0.87 (0.78-0.92) | 8.4 | 23.3 |
WORC-lifestyle | 0.85 | 0.89 (0.81-0.93) | 8.7 | 25.2 |
WORC-emotions | 0.89 | 0.79 (0.66-0.87) | 12.9 | 35.9 |