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Measuring fatigue in Parkinson's disease: a psychometric study of two brief generic fatigue questionnaires.
Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap. Kristianstad University, Research Environment PRO-CARE. Department of Health Sciences, Lund University.ORCID iD: 0000-0003-2174-372X
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2006 (English)In: Journal of Pain and Symptom Management, ISSN 0885-3924, E-ISSN 1873-6513, Vol. 32, no 5, 420-32 p.Article in journal (Refereed) Published
Abstract [en]

This study evaluated and compared the measurement properties of the 13-item Functional Assessment of Chronic Illness Therapy-Fatigue Scale (FACIT-F) and the 9-item Fatigue Severity Scale (FSS) in 118 consecutive Parkinson's disease (PD) patients, using traditional and Rasch measurement methodologies. Both questionnaires exhibited excellent data quality and reliability (coefficient alpha>or=0.9), and acceptable rating scale functionality, and both discriminated between fatigued and nonfatigued patients. Factor and Rasch analyses provided general support for unidimensionality of both FACIT-F and FSS, although they do not appear to measure identical aspects of fatigue. No signs of differential item functioning (DIF) were found for the FACIT-F, whereas potential age DIF was detected for two FSS items. These results support the measurement validity of both questionnaires in PD, although the FACIT-F displayed better measurement precision and modest psychometric advantages over the FSS. Availability of psychometrically sound fatigue measures that are applicable across disorders provides a sound basis for advancing the understanding of this common and distressing complaint.

Place, publisher, year, edition, pages
2006. Vol. 32, no 5, 420-32 p.
Keyword [en]
Fatigue, Parkinson’s disease, questionnaires, reliability, validity
National Category
Nursing
Identifiers
URN: urn:nbn:se:hkr:diva-12321DOI: 10.1016/j.jpainsymman.2006.05.021ISI: 000242204900009PubMedID: 17085268OAI: oai:DiVA.org:hkr-12321DiVA: diva2:732170
Available from: 2014-07-03 Created: 2014-07-03 Last updated: 2014-09-15Bibliographically approved

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Hagell, Peter
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Avdelningen för HälsovetenskapResearch Environment PRO-CARE
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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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More styles
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  • de-DE
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