From: Rasch analysis of the Patient Rated Elbow Evaluation questionnaire
Item | Uniform DIF for Gender | Non-Uniform DIF for Gender | ||||||
---|---|---|---|---|---|---|---|---|
MS | F | DF | P | MS | F | DF | P | |
Pain sub scale | ||||||||
Pain - When it is at its worst | 3.76 | 4.31 | 1 | 0.04 | 0.88 | 1.01 | 3 | 0.39 |
Pain - At rest | 0.83 | 1.28 | 1 | 0.26 | 1.00 | 1.53 | 3 | 0.21 |
Pain - When lifting a heavy object | 0.00 | 0.00 | 1 | 0.96 | 0.10 | 0.10 | 3 | 0.96 |
Pain - When doing a task with repeated elbow movement | 1.58 | 2.43 | 1 | 0.12 | 0.07 | 0.11 | 3 | 0.95 |
How often do you have pain? | 0.40 | 0.50 | 1 | 0.48 | 0.50 | 0.62 | 3 | 0.61 |
Specific activities sub scale | ||||||||
Comb my hair | 3.25 | 4.76 | 1 | 0.03 | 0.29 | 0.42 | 3 | 0.74 |
Eat with a fork or spoon | 0.10 | 0.14 | 1 | 0.71 | 1.37 | 1.97 | 3 | 0.12 |
Pull a heavy object | 0.00 | 0.00 | 1 | 0.97 | 0.15 | 0.19 | 3 | 0.90 |
Use my arm to rise from a chair | 1.52 | 1.77 | 1 | 0.19 | 1.20 | 1.39 | 3 | 0.25 |
Carry a 10 lb object with my arm at my side | 0.11 | 0.08 | 1 | 0.78 | 0.79 | 0.60 | 3 | 0.61 |
Throw a small object, such as a tennis ball | 3.34 | 3.35 | 1 | 0.07 | 3.08 | 3.08 | 3 | 0.03 |
Use a telephone | 0.90 | 0.84 | 1 | 0.36 | 0.53 | 0.49 | 3 | 0.69 |
Do up buttons on the front of my shirt | 0.04 | 0.04 | 1 | 0.84 | 2.73 | 2.72 | 3 | 0.05 |
Wash my opposite armpit | 0.51 | 0.67 | 1 | 0.41 | 0.37 | 0.49 | 3 | 0.69 |
Tie my shoe | 0.49 | 0.47 | 1 | 0.49 | 0.20 | 0.19 | 3 | 0.91 |
Turn the doorknob and open a door | 0.00 | 0.00 | 1 | 0.99 | 2.11 | 2.21 | 3 | 0.09 |
Usual activities sub scale | ||||||||
Personal activities (dressing, washing) | 0.65 | 1.03 | 1 | 0.31 | −0.16 | −0.25 | 2 | 0.99 |
Household work (cleaning, maintenance)a | 6.68 | 14.28 | 1 | 0.00 | −0.06 | −0.14 | 2 | 0.99 |
Work (your job or everyday work) | 3.24 | 4.35 | 1 | 0.04 | 0.72 | 0.97 | 2 | 0.38 |
Recreational activities | 3.74 | 4.61 | 1 | 0.03 | 0.27 | 0.33 | 2 | 0.72 |