From: Factor structure of the Shoulder Pain and Disability Index in patients with adhesive capsulitis
Items | Communalities | Factor 1 | Factor 2 |
---|---|---|---|
(both factors) | loading | loading | |
Pain section: | |||
PS.1 At its worst? | 0.50 | 0.67 | 0.23 |
PS.2 When lying on the involved side? | 0.57 | 0.66 | 0.36 |
PS.3 Reaching for something on a high shelf? | 0.66 | 0.80 | 0.16 |
PS.4 Touching the back of your neck? | 0.41 | 0.44 | 0.46 |
PS.5 Pushing with the involved arm? | 0.48 | 0.44 | 0.54 |
Disability section: | |||
DS.1 Washing your hair? | 0.64 | 0.56 | 0.58 |
DS.2 Washing your back? | 0.61 | 0.76 | 0.19 |
DS.3 Putting on an undershirt or pullover sweater? | 0.50 | 0.41 | 0.58 |
DS.4 Putting on a shirt that buttons down the front? | 0.71 | -0.04 | 0.84 |
DS.5 Putting on your pants? | 0.71 | 0.27 | 0.80 |
DS.6 Placing an object on a high shelf? | 0.68 | 0.81 | 0.15 |
DS.7 Carrying a heavy object of 10 pounds? | 0.47 | 0.49 | 0.48 |
DS.8 Removing something from your back pocket? | 0.47 | 0.57 | 0.38 |