Determinants of time integrated quality of life assessed by time averaged EuroQol-5 dimensions assessed by Cox’s regression analyses
| HR [95% CI] | p Value | |
|---|---|---|
| IBD, inflammatory bowel disease; BASFI, time averaged Bath Ankylosing Spondylitis Functional Index (range 0–10, higher values indicating worse function); BASDAI, time averaged Bath Ankylosing Spondylitis Disease Activity Index (range 0–10, higher values indicating higher disease activity); HRs >1 indicate worse quality of life. | ||
| France as opposed to The Netherlands | 2.94 [1.99 to 4.43] | <0.0001 |
| Belgium as opposed to The Netherlands | 2.03 [1.30 to 3.17] | 0.002 |
| Belgium as opposed to France | 0.69 [0.41 to 1.15] | 0.5 |
| ⩽12 Years’ education | 1.92 [1.33 to 2.75] | 0.0005 |
| Peripheral arthritis | 1.46 [1.02 to 2.09] | 0.04 |
| BASFI (time averaged) | 1.34 [1.21 to 1.49] | <0.0001 |
| BASDAI (time averaged) | 1.28 [1.13 to 1.44] | 0.0001 |