Development of a musculoskeletal extremity health status instrument: The musculoskeletal function assessment instrument

D. P. Martin, R. Engelberg, J. Agel, D. Snapp, M. F. Swiontkowski

Research output: Contribution to journalArticlepeer-review

175 Scopus citations

Abstract

Despite an increasing reliance on the use of health status measures to assess and evaluate medical care, no single instrument is currently available for use with the broad range of patients with musculoskeletal disorders of the extremities that is commonly seen in clinical practice. In this paper, we report on the development of the Musculoskeletal Function Assessment instrument, a 100-item self reported health status instrument that is designed to meet this need. The instrument was developed in two phases. During the first phase, items were selected on the basis of interviews with 135 patients and 12 clinicians and from reviews of existing health status instruments. The items then were grouped into categories. During the second phase, the instrument was tested for reliability and content validity using a sample of 327 patients with one of five musculoskeletal disorders of the upper and lower extremities (fractures, soft-tissue injuries, repetitive motion disorders, osteoarthritis, and rheumatoid arthritis). The patients were selected from both community and academic sites. The Musculoskeletal Function Assessment instrument met standards for test-retest reliability and internal consistency. Content validity also was demonstrated, based on a review of item selection procedures, expert opinion, and the distribution of scores on the instrument.

Original languageEnglish (US)
Pages (from-to)173-181
Number of pages9
JournalJournal of Orthopaedic Research
Volume14
Issue number2
DOIs
StatePublished - Mar 1 1996

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