Table 3

 Adjusted HRs for work disability in patients with early rheumatoid arthritis: Jyvaskyla, Finland, versus Nashville, Tennessee, USA

Nashville (n = 269)Jyväskylä (n = 364)p Value
DMARD, disease-modifying antirheumatic drug; MHAQ, multidimensional health assessment questionnaire; RA, rheumatoid arthritis; RF, rheumatoid factor.
*Adjusted for RF, age, sedentary work, time to first DMARD and extra-articular RA.
†Adjusted for RF, age, sedentary work, time to first DMARD and extra-articular RA, last MHAQ, last pain, last fatigue, last patient global and years of education.
No of patients on disability3186
Time of follow-up (median (IQR)), months38.9 (19.3–52.7)48.4 (23.7–74.5)
Unadjusted HR (95% CI; n = 625)1.01.61 (1.07 to 2.46)0.024
Adjusted HR (95% CI;* n = 607)1.01.81 (1.16 to 2.82)0.009
Adjusted HR (95% CI; n = 541)1.02.58 (1.44 to 4.59)0.001