The Fibromyalgia Impact Questionnaire (FIQ): A review of its development, current version, operating characteristics and uses

Robert Bennett

    Research output: Contribution to journalReview article

    416 Scopus citations

    Abstract

    The Fibromyalgia Impact Questionnaire (FIQ) was developed in the late 1980s by clinicians at Oregon Health & Science University in an attempt to capture the total spectrum of problems related to fibromyalgia and the responses to therapy. It was first published in 1991 and since that time has been extensively used as an index of therapeutic efficacy. Overall, it has been shown to have a credible construct validity, reliable test-retest characteristics and a good sensitivity in demonstrating therapeutic change. The original questionnaire was modified in 1997 and 2002, to reflect ongoing experience with the instrument and to clarify the scoring system. The latest version of the FIQ can be found at the web site of the Oregon Fibromyalgia Foundation (www.myalgia.com/FIQ/FIQ). The FIQ has now been translated into eight languages, and the translated versions have shown operating characteristics similar to the English version.

    Original languageEnglish (US)
    Pages (from-to)S154-S162
    JournalClinical and experimental rheumatology
    Volume23
    Issue number5 SUPPL. 39
    StatePublished - Dec 1 2005

    Keywords

    • Current version
    • Development
    • FIQ
    • Fibromyalgia impact questionnaire
    • Operating characteristics

    ASJC Scopus subject areas

    • Rheumatology
    • Immunology and Allergy
    • Immunology

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