Table 3.
Factor Loadings and Error Covariances for Pain Interference Items on Form 3.
| Form 3 Items | Pain | Difficulty Moving |
|---|---|---|
| I had trouble moving around when I had pain. | 0.30 | 0.61 |
| It was hard to have fun when I had pain. | 0.40 | 0.49 |
| It was hard for me to walk up a flight of stairs when I had pain. | 0.50 | 0.34 |
| How many days did you have pain? | 0.67 | |
| It was hard for me to pay attention when I had pain. | 0.81 | |
| I hurt all over my body. | 0.73 | |
| I felt angry when I had pain. | 0.67 |
All factor loadings are significantly different from zero at p < .05.
The correlation between the general pain interference and difficulty moving factors is r = 0.79.