Table 1.

Factors associated with major impact on quality of life (ie, having ≥ 2 domains affected by axSpA).

≥ 2 Impacts< 2 ImpactsUnivariable AnalysisMultivariable Analysis
Mean (± SD) or n (%)PPOR (95% CI)
Age, yrs41.5 (± 10.9)42.2 (± 12.9)0.62NANA
Female gender461 (80.2)36 (57.1)< 0.0010.0022.6 (1.4–4.8)
Educational level (high school or less)295 (51.3)19 (30.2)0.0020.0292.0 (1.1–3.3)
Married/cohabiting370 (64.3)42 (66.7)0.72NANA
Unemployment268 (48.7)13 (21.0)< 0.0010.0013.3 (1.7–10.0)
Smoking188 (32.7)19 (30.2)0.68NANA
Symptom duration, yrs14.3 (± 10.5)13.5 (± 9.3)0.57NANA
bDMARD therapy366 (64.6)22 (36.7)< 0.001< 0.0013.0 (1.6–5.3)
Comorbidities (0–4)a1.4 (± 1.2)0.7 (± 1.1)< 0.0010.0011.6 (1.2–2.2)b
  • aComorbidities corresponded to overweight/obesity, depression, fibromyalgia, and anxiety.

  • bOR for ≥ 1 comorbidity. AxSpA: axial spondyloarthritis; bDMARD: biologic disease-modifying antirheumatic drug; NA: not applicable; OR: odds ratio.