Walmsley, Steven, Ravey, Michael, Graham, Andrea ORCID: https://orcid.org/0000-0003-1048-9121, Teh, LeeSuan and Williams, Anita
ORCID: https://orcid.org/0000-0003-1224-4347
2012,
'Development of a patient-reported outcome measure for the foot affected by rheumatoid arthritis'
, Journal of Clinical Epidemiology, 65
, pp. 413-422.
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Abstract
Objective: To develop an idiographic and nomothetic patient-reported outcome measure (PROM) for the assessment and evaluation of patients with feet affected by rheumatoid arthritis (RA). Study Design and Setting: The development of the Salford Rheumatoid Arthritis Foot Evaluation (SAFE) Instrument PROM was divided into four stages: establishment of the PROM’s conceptual basis and content generation, following a descriptive phenomenological study; clinimetric instrument development; instrument pretesting, involving expert reviews and cognitive interviews; and demonstration of instrument measurement properties, including convergent validity and testeretest reliability of the nomothetic scale. Results: A total of 123 items were initially generated for the SAFE, with 25 of them clinimetrically selected for nomothetic scale(SAFE-Part A) and 80 items initially included in the idiographic scale (SAFE-Part B). The pretesting strategy proved effective for improving and refining the SAFE, with the final draft consisting of 19 items in Part A and 42 items in Part B. The SAFE-Part A has strong evidence for convergent validity and testeretest reliability. Conclusion: The SAFE features a nomothetic and idiographic assessment strategy that, with further development, will prove to be a valuable tool for clinicians involved in managing the foot health problems associated with RA.
Item Type: | Article |
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Themes: | Health and Wellbeing |
Schools: | Schools > School of Health and Society > Centre for Health Sciences Research |
Journal or Publication Title: | Journal of Clinical Epidemiology |
Publisher: | Elsevier |
Refereed: | Yes |
ISSN: | 0895-4356 |
Depositing User: | Dr Anita E Williams |
Date Deposited: | 23 Feb 2012 10:39 |
Last Modified: | 16 Feb 2022 14:05 |
URI: | http://usir.salford.ac.uk/id/eprint/20665 |
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