Multivariate contribution to each of the behavioural coping styles of the independent demographic and clinical variables, which were significant in the univariate analyses (backward elimination procedure)
| Model variables | Decreasing activities to cope with pain* | Pacing to cope with limitations† | ||||||
|---|---|---|---|---|---|---|---|---|
| B (95% CI) | β | p Value | Adjusted R2 | B (95% CI) | β | p Value | Adjusted R2 | |
| *Decreasing activities to cope with pain (8–32; higher values indicate more frequent use of this coping strategy). | ||||||||
| †Pacing to cope with limitations (10–40; higher values indicate more frequent use of this coping strategy). | ||||||||
| BASFI, Bath ankylosing spondylitis functional index (0–10; higher values indicate worse function); BASDAI, Bath ankylosing spondylitis disease activity index (0–10; higher values indicate worse function); CI, confidence interval. | ||||||||
| Constant | 14.23 (12.38 to 15.07) | <0.001 | 16.02 (13.89 to 18.15) | <0.0001 | ||||
| Sex (female) | 1.28 (0.56 to 2.01) | 0.12 | 0.001 | 1.21 (0.25 to 2.17) | 0.088 | 0.014 | ||
| Age (years) | 0.12 (0.07 to 0.17) | 0.18 | <0.0001 | |||||
| Disease duration (years) | ||||||||
| Education (⩽12 years) | ||||||||
| BASFI | 0.81 (0.61 to 0.997) | 0.41 | <0.0001 | 0.996 (0.81 to 1.18) | 0.38 | <0.0001 | ||
| BASDAI | 0.17 (−0.025 to 0.37) | 0.083 | 0.088 | 0.24 | 0.22 | |||