Fig. 3From: Development, psychometric evaluation and cognitive debriefing of the rheumatoid arthritis symptom and impact questionnaire (RASIQ)Estimated parameters for the 5-factor (A) and 3-factor (B) RASIQ structures. CFI, comparative fit index; RASIQ, Rheumatoid Arthritis Symptom and Impact Questionnaire; RMSEA, root mean square error of approximation; TLI, Tucker–Lewis indexBack to article page