From: Urdu version of the neck disability index: a reliability and validity study
Items | Factors 1 | Factors 2 |
---|---|---|
Pain Intensity | 0.309 | 0.614a |
Personal Care | 0.744a | 0.306 |
Lifting | −0.087 | 0.856a |
Reading | 0.536 | 0.616a |
Headache | 0.768a | 0.112 |
Concentration | 0.657a | 0.588 |
Work | 0.455 | 0.667a |
Driving | 0.487 | 0.628a |
Sleeping | 0.808a | 0.127 |
Recreation | 0.744a | 0.508 |