Table 2.
SPTS-12 item | Group
|
||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
No pain (N = 555)
|
Ongoing pain (N = 268)
|
||||||||||
M (SD) | a if item deleted | Inter-total r | Factor loading | Communality | M (SD) | a if item deleted | Inter-total r | Factor loading | Communality | ||
1. | When I am in pain, it keeps me awake at night | 1.41 (1.06) | 0.884 | 0.553 | 0.616 | 0.318 | 1.63 (1.12) | 0.883 | 0.527 | 0.583 | 0.318 |
2. | When I am in pain, everything I see or do reminds me of the pain | 0.93 (1.00) | 0.880 | 0.641 | 0.741 | 0.501 | 1.00 (1.05) | 0.879 | 0.662 | 0.755 | 0.501 |
3. | I try to avoid activities that cause pain | 1.77 (1.24) | 0.885 | 0.535 | 0.596 | 0.284 | 1.61 (1.27) | 0.885 | 0.502 | 0.568 | 0.284 |
4. | When I feel pain, I’m scared that it’s the beginning of a terrible problem | 1.14 (1.13) | 0.880 | 0.620 | 0.716 | 0.436 | 1.23 (1.17) | 0.879 | 0.613 | 0.702 | 0.436 |
5. | Pain seems to bother me more than it does other people | 0.84 (1.09) | 0.881 | 0.614 | 0.726 | 0.403 | 0.96 (1.09) | 0.880 | 0.596 | 0.696 | 0.403 |
6. | When I feel pain, I think about it even when I don’t mean to | 1.20 (1.08) | 0.877 | 0.690 | 0.787 | 0.518 | 1.24 (1.09) | 0.876 | 0.671 | 0.760 | 0.518 |
7. | I can’t stand pain | 1.57 (1.28) | 0.881 | 0.607 | 0.689 | 0.426 | 1.55 (1.26) | 0.878 | 0.618 | 0.695 | 0.426 |
8. | When I’m in pain, I feel distant from people even when I’m talking to them | 1.19 (1.14) | 0.879 | 0.641 | 0.724 | 0.432 | 1.28 (1.25) | 0.879 | 0.608 | 0.695 | 0.432 |
9. | As soon as the pain comes on, I take medications to reduce it | 1.27 (1.31) | 0.893 | 0.411 | 0.459 | 0.242 | 1.07 (1.23) | 0.887 | 0.469 | 0.544 | 0.242 |
10. | Pain sensations terrify me | 1.18 (1.15) | 0.877 | 0.670 | 0.759 | 0.505 | 1.16 (1.13) | 0.875 | 0.688 | 0.773 | 0.531 |
11. | When I’m in pain, things don’t feel real | 0.81 (1.06) | 0.881 | 0.610 | 0.727 | 0.469 | 0.86 (1.09) | 0.877 | 0.641 | 0.755 | 0.469 |
12. | I feel sick to my stomach when I am in pain | 0.94 (1.06) | 0.880 | 0.637 | 0.728 | 0.355 | 1.06 (1.14) | 0.881 | 0.563 | 0.641 | 0.355 |
Notes: SPTS-12 items for Study 2 are rated from 0 to 4 corresponding to options “not at all true,” “slightly true,” “somewhat true,” “very true,” and “entirely true,” respectively. Data from Study 2.
Abbreviations: M, mean; SD, standard deviation.