ISSN: 2161-1149 (Printed)
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Sara Shaunfield
Tanzania
Research Article
Content Validation of the Functional Assessment of Chronic Illness Therapy (FACIT)-Fatigue Scale in Moderately to Highly Active Rheumatoid Arthritis
Author(s): Karen Kaiser, Sara Shaunfield, Marla L. Clayman, Eric Ruderman and David Cella
Karen Kaiser, Sara Shaunfield, Marla L. Clayman, Eric Ruderman and David Cella
Objective: Fatigue is one of the most burdensome symptoms of Rheumatoid Arthritis (RA), thus validated measures are needed to assess it in practice and research. Although performance and responsiveness of the Functional Assessment of Chronic Illness Therapy-Fatigue (FACIT-Fatigue) has been demonstrated in moderately to highly active RA and several other conditions, the face and content validity of the instrument in this context has not been evaluated.
Methods: Semi-structured interviews were conducted with patients with moderately to highly active RA. Participant comments were analysed using a constant comparative approach, and findings were mapped to the FACIT-Fatigue to assess content validity.
Results: A total of 17 patients participated in the study; saturation was obtained after 16 interviews. Participants had.. View More»
DOI:
10.4172/2161-1149.1000193