Table 2 .
Associations Between Pain Patterns and Personal, Physical, Psychosocial, Pain, and Nervous System Variables in the Final Model
| Variables | Intermittent (reference category) | Pain pattern* OR (95% CI)
|
|
|---|---|---|---|
| Constant | Mixed | ||
| Age | 1 | 1.00 (0.95, 1.04) | 0.95 (0.90, 1.00) |
| Sex: female | 1 | 0.29 (0.11, 0.75) | 0.46 (0.18, 1.19) |
| Marital status: single | 1 | 1.14 (0.47, 2.77) | 0.60 (0.25, 1.40) |
| Comorbidities | 1 | 0.87 (0.63, 1.20) | 1.07 (0.83, 1.37) |
| Sleep | 1 | 1.13 (0.99, 1.30) | 0.90 (0.79, 1.01) |
| Fatigue | 1 | 0.98 (0.94, 1.02) | 1.00 (0.97, 1.04) |
| Self-reported physical function | 1 | 0.99 (0.96, 1.02) | 0.94 (0.91, 0.98)§ |
| 30-s chair stand test | 1 | 0.95 (0.87, 1.05) | 1.03 (0.94, 1.13) |
| Somatization | 1 | 0.94 (0.83, 1.07) | 1.05 (0.92, 1.18) |
| Catastrophizing | 1 | 0.99 (0.94, 1.04) | 1.02 (0.98, 1.06) |
| Pain qualities | 1 | 1.00 (0.99, 1.02) | 1.00 (0.98, 1.01) |
| Neuropathic pain | 1 | 1.00 (0.93, 1.09) | 1.01 (0.94, 1.08) |
| Pain variability | 1 | 0.97 (0.90, 1.04) | 1.05 (0.98, 1.12) |
| Pain intensity | 1 | 1.07 (0.90, 1.27) | 1.25 (1.07, 1.47) |
| TS forearm | 1 | 1.02 (0.97, 1.07) | 1.02 (0.97, 1.06) |
| PPT forearm | 1 | 1.08 (0.65, 1.79) | 1.02 (0.63, 1.66) |
| PPT patella | 1 | 0.95 (0.74, 1.23) | 0.83 (0.63, 1.11) |
| CPM for HPT | 1 | 0.99 (0.75, 1.30) | 0.94 (0.73, 1.21) |
| CPM for PPT | 1 | 1.03 (0.97, 1.09) | 1.02 (0.96, 1.07) |
*
With intermittent as the reference category.
OR = odds ratio; TS = temporal summation; CPM = conditioned pain modulation; HPT = heat pain test; PPT = pressure pain threshold.