Table 4

Multivariate linear regression for predictors of longer patient-reported symptom duration (days; negative towards longer patient-reported duration)

VariableCoefficient95% CI
Female29.331−46.525 to 105.189
Age1.426−0.986 to 3.838
Fibromyalgia−413.551−627.546 to 199.555
OA−149.903−255.278 to 44.529
Current smoker−99.284−186.105 to 12.462
Income >US$50 00073.9996.800 t 141.198
Baseline non-MTX, non-biologic DMARD use−90.145−173.756 to 6.534
  • Ethnicity, baseline MTX combination therapy, oral corticosteroid use were not significant in final MV model.

  • DMARD, disease-modifying antirheumatic drug; MTX, methotrexate; OA, osteoarthritis.