Table 4 Internal consistency for individual items on questionnaire

1.Difficulty with lifting

2.71 (.84)

.663

.893

2.Difficulty carrying bags

2.84 (.973)

.621

.895

3.Difficulty washing all over

3.01 (.93)

.581

.897

4. Difficulty dressing

3.21 (.70)

.623

.895

5. Elbow problem “controlling your life”

2.34 (1.13)

.710

.890

6. Elbow problem “on your mind”

2.47 (.99)

.654

.893

7. Pain in Bed at Night

2.64 (1.14)

.576

.899

8.Pain interfered with sleeping

3.19 (.89)

.565

.897

9.Interfered with usual work/everyday activities

2.73 (.78)

.673

.893

10.Limited leisure activities

2.76 (1.04)

.492

.902

11.Worst pain

2.50 (.760)

.755

.890

12.Usual pain

2.66 (.700)

.762

.890