Table 2.

Factors affecting severity of disability on the Health Assessment Questionnaire-Disability Index.

FactorsOdds Ratio (95% CI)p
Female sex1.44 (1.02–2.04)0.038
History of rheumatic musculoskeletal disorder2.27 (1.54–3.35)0.000
History of joint swelling during acute disease1.72 (1.19–2.49)0.004
Type of involvement in persistent pain
  Both joint and soft-tissue involvement3.74 (2.21–6.34)0.000
  Joint only2.14 (1.27–3.61)0.004
  Soft-tissue only1
Vegetarian diet4.73 (2.03–10.99)0.000