Explanatory factors for the longitudinal course of pain
| VAS pain (0–100) | AIMS pain (0–10) | |||
|---|---|---|---|---|
| Beta (SE Beta) | p-value | Beta (SE Beta) | p-value | |
| The results after repeated measures analyses using a mixed model approach adjusted for age, rheumatoid factor and disease duration. AIMS depression and modified Sharp score, although, in the initial model, were not statistically significant. | ||||
| Anxiety (AIMS, units) | 3.90 (0.39) | <0.0001 | 0.33 (0.04) | <0.0001 |
| Grip strength (kg) | −0.71 (0.10) | <0.0001 | −0.08 (0.01) | <0.0001 |
| ESR (mm/h) | 0.24 (0.04) | <0.0001 | 0.03 (0.005) | <0.0001 |
| Sex (female versus male) | 12.99 (2.69) | 0.0001 | 1.24 (0.28) | 0.0001 |