Table 5

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 Netherlands2.94 [1.99 to 4.43]<0.0001
Belgium as opposed to The Netherlands2.03 [1.30 to 3.17]0.002
Belgium as opposed to France0.69 [0.41 to 1.15]0.5
⩽12 Years’ education1.92 [1.33 to 2.75]0.0005
Peripheral arthritis1.46 [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