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dc.contributor.authorBragstad, Line Kildal
dc.contributor.authorLerdal, Anners Vetle
dc.contributor.authorGay, Caryl L.
dc.contributor.authorKirkevold, Marit
dc.contributor.authorLee, Kathryn A.
dc.contributor.authorLindberg, Maren Falch
dc.contributor.authorSkogestad, Ingrid Johansen
dc.contributor.authorHjelle, Ellen Gabrielsen
dc.contributor.authorSveen, Unni
dc.contributor.authorKottorp, Anders
dc.date.accessioned2020-06-13T09:16:57Z
dc.date.accessioned2020-06-15T09:42:27Z
dc.date.available2020-06-13T09:16:57Z
dc.date.available2020-06-15T09:42:27Z
dc.date.issued2020-06-05
dc.identifier.citationBragstad, Lerdal, Gay, Kirkevold, Lee, Lindberg, Skogestad, Hjelle, Sveen, Kottorp. Psychometric properties of a short version of Lee Fatigue Scale used as a generic PROM in persons with stroke or osteoarthritis: assessment using a Rasch analysis approach. Health and Quality of Life Outcomes. 2020;18:1-8en
dc.identifier.issn1477-7525
dc.identifier.issn1477-7525
dc.identifier.urihttps://hdl.handle.net/10642/8706
dc.description.abstractBackground: Fatigue is a common symptom associated with a wide range of diseases and needs to be more thoroughly studied. To minimise patient burden and to enhance response rates in research studies, patientreported outcome measures (PROM) need to be as short as possible, without sacrificing reliability and validity. It is also important to have a generic measure that can be used for comparisons across different patient populations. Thus, the aim of this secondary analysis was to evaluate the psychometric properties of the Norwegian 5-item version of the Lee Fatigue Scale (LFS) in two distinct patient populations. Methods: The sample was obtained from two different Norwegian studies and included patients 4–6weeks after stroke (n =322) and patients with osteoarthritis on a waiting list for total knee arthroplasty (n =203). Fatigue severity was rated by five items from the Norwegian version of the LFS, rating each item on a numeric rating scale from 1 to 10. Rasch analysis was used to evaluate the psychometric properties of the 5-item scale across the two patient samples. Results: Three of the five LFS items (“tired”, “fatigued” and “worn out”) showed acceptable internal scale validity as they met the set criterion for goodness-of-fit after removal of two items with unacceptable goodness-of-fit to the Rasch model. The 3-item LFS explained 81.6% of the variance, demonstrated acceptable unidimensionality, could separate the fatigue responses into three distinct severity groups and had no differential functioning with regard to disease group. The 3-item version of the LFS had a higher separation index and better internal consistency reliability than the 5-item version. Conclusions: A 3-item version of the LFS demonstrated acceptable psychometric properties in two distinct samples of patients, suggesting it may be useful as a brief generic measure of fatigue severity. Trial registration: Clinicaltrials.gov: NCT02338869; registered 10/04/2014 (stroke study).en
dc.description.sponsorshipThe stroke study was supported by a grant from the South-Eastern Norway Regional Health Authority (grant #2013086), a grant from the Extra Foundation (grant # 2015/FO13753), and funding from the European Union Seventh Framework Programme (FP7-PEOPLE-2013-COFUND) under grant agreement #609020 - Scientia Fellows. The University of Oslo, Oslo University Hospital, and the Inland Norway University of Applied Sciences have provided research time, administrative and organizational support and additional funding for the stroke study. The osteoarthritis study was funded by Lovisenberg Diaconal Hospital, the US-Norway Fulbright Foundation and the Norwegian Nurses Organization. Anners Lerdal received funding from the Norwegian Research Council of Norway (grant #287816). The postdoctoral fellowship for Maren. F. Lindberg was funded by the South-Eastern Norway Regional Health Authority (grant #2018060). The Norwegian non-profit National Association for Public Health’s doctoral scholarship funds Ingrid Johansen Skogestad. The funding source had no involvement in conducting and reporting of this study.en
dc.language.isoenen
dc.publisherBMC (part of Springer Nature)en
dc.relation.ispartofseriesHealth and Quality of Life Outcomes;18, Article number: 168 (2020)
dc.rightsThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made.en
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectFatigueen
dc.subjectPsychometricsen
dc.subjectRasch analysesen
dc.subjectMeasurementsen
dc.subjectStrokesen
dc.subjectOsteoarthritisen
dc.titlePsychometric properties of a short version of Lee Fatigue Scale used as a generic PROM in persons with stroke or osteoarthritis: assessment using a Rasch analysis approachen
dc.typeJournal articleen
dc.typePeer revieweden
dc.date.updated2020-06-13T09:16:56Z
dc.description.versionpublishedVersionen
dc.identifier.doihttps://dx.doi.org/10.1186/s12955-020-01419-8
dc.identifier.cristin1814698
dc.source.journalHealth and Quality of Life Outcomes
dc.subject.nsiVDP::Medisinske fag: 700::Helsefag: 800
dc.subject.nsiVDP::Midical sciences: 700::Health sciences: 800
dc.subject.nsiVDP::Medisinske fag: 700::Helsefag: 800::Sykepleievitenskap: 808
dc.subject.nsiVDP::Midical sciences: 700::Health sciences: 800::Nursing science: 808


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This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made.
Except where otherwise noted, this item's license is described as This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made.