Explanatory factors for the longitudinal course of depression
| AIMS depression (0–10) | GHQ depression (0–21) | |||
|---|---|---|---|---|
| Beta (SE Beta) | p-value | Beta (SE Beta) | p-value | |
| The results after repeated measures analyses using a mixed model approach adjusted for disease duration. Modified Sharp score and AIMS pain, although in the initial model, were not statistically significant. | ||||
| Anxiety (AIMS or GHQ, units) | 0.65 (0.02) | <0.0001 | 0.46 (0.02) | <0.0001 |
| Grip strength (kg) | −0.008 (0.004) | 0.04 | −0.04 (0.01) | 0.0002 |
| ESR (mm/h) | 0.005 (0.002) | 0.02 | NS | |
| Age (years) | 0.01 (0.003) | 0.0003 | 0.04 (0.01) | <0.0001 |
| Sex (female vs. male) | NS | 0.65 (0.35) | 0.06 | |
| Rheumatoid factor (RF+ versus RF−) | NS | 0.75 (0.28) | 0.001 | |