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dc.contributor.authorLerdal, Anners-
dc.contributor.authorKottorp, Anders Börje Mauritz-
dc.contributor.authorGay, Caryl-
dc.contributor.authorAouizerat, Bradley E.-
dc.contributor.authorLee, Kathryn A.-
dc.contributor.authorMiaskowski, Christine-
dc.date.accessioned2018-08-02T09:08:08Z-
dc.date.available2018-08-02T09:08:08Z-
dc.date.issued2016-06-
dc.identifier.issn0885-3924de_CH
dc.identifier.issn1873-6513de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/8784-
dc.description.abstractContext: To accurately investigate diurnal variations in fatigue, a measure needs to be psychometrically sound and demonstrate stable item function in relationship to time of day. Rasch analysis is a modern psychometric approach that can be used to evaluate these characteristics. Objectives: To evaluate, using Rasch analysis, the psychometric properties of the Lee Fatigue Scale (LFS) in a sample of oncology patients. Methods: The sample comprised 587 patients (mean age 57.3 ± 11.9 years, 80% women) undergoing chemotherapy for breast, gastrointestinal, gynecological, or lung cancer. Patients completed the 13-item LFS within 30 minutes of awakening (i.e., morning fatigue) and before going to bed (i.e., evening fatigue). Rasch analysis was used to assess validity and reliability. Results: In initial analyses of differential item function, eight of the 13 items functioned differently depending on whether the LFS was completed in the morning or in the evening. Subsequent analyses were conducted separately for the morning and evening fatigue assessments. Nine of the morning fatigue items and 10 of the evening fatigue items demonstrated acceptable goodness-of-fit to the Rasch model. Principal components analyses indicated that both morning and evening assessments demonstrated unidimensionality. Person-separation indices indicated that both morning and evening fatigue scales were able to distinguish four distinct strata of fatigue severity. Conclusion: Excluding four items from the morning fatigue scale and three items from the evening fatigue scale improved the psychometric properties of the LFS for assessing diurnal variations in fatigue severity in oncology patients.de_CH
dc.language.isoende_CH
dc.publisherElsevierde_CH
dc.relation.ispartofJournal of Pain and Symptom Managementde_CH
dc.rightsLicence according to publishing contractde_CH
dc.subjectFatiguede_CH
dc.subjectRasch analysisde_CH
dc.subjectCancerde_CH
dc.subjectDiurnal patternde_CH
dc.subjectPsychometricsde_CH
dc.subjectQuality of lifede_CH
dc.subjectSymptomde_CH
dc.subjectAgedde_CH
dc.subjectFatiguede_CH
dc.subjectFemalede_CH
dc.subjectHumande_CH
dc.subjectLongitudinal studyde_CH
dc.subjectMalede_CH
dc.subjectMiddle agedde_CH
dc.subjectNeoplasmde_CH
dc.subjectPhotoperiodde_CH
dc.subjectPrincipal component analysisde_CH
dc.subjectPsychometricsde_CH
dc.subjectReproducibility of resultde_CH
dc.subjectSurvey and questionnairede_CH
dc.subjectSeverity of Illness Indexde_CH
dc.subject.ddc610: Medizin und Gesundheitde_CH
dc.titleA Rasch analysis of assessments of morning and evening fatigue in oncology patients using the Lee Fatigue Scalede_CH
dc.typeBeitrag in wissenschaftlicher Zeitschriftde_CH
dcterms.typeTextde_CH
zhaw.departementGesundheitde_CH
zhaw.organisationalunitInstitut für Ergotherapie (IER)de_CH
dc.identifier.doi10.1016/j.jpainsymman.2015.12.331de_CH
dc.identifier.pmid26975624de_CH
zhaw.funding.euNode_CH
zhaw.issue6de_CH
zhaw.originated.zhawYesde_CH
zhaw.pages.end1012de_CH
zhaw.pages.start1002de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume51de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
zhaw.webfeedAngewandte Gerontologiede_CH
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Lerdal, A., Kottorp, A. B. M., Gay, C., Aouizerat, B. E., Lee, K. A., & Miaskowski, C. (2016). A Rasch analysis of assessments of morning and evening fatigue in oncology patients using the Lee Fatigue Scale. Journal of Pain and Symptom Management, 51(6), 1002–1012. https://doi.org/10.1016/j.jpainsymman.2015.12.331
Lerdal, A. et al. (2016) ‘A Rasch analysis of assessments of morning and evening fatigue in oncology patients using the Lee Fatigue Scale’, Journal of Pain and Symptom Management, 51(6), pp. 1002–1012. Available at: https://doi.org/10.1016/j.jpainsymman.2015.12.331.
A. Lerdal, A. B. M. Kottorp, C. Gay, B. E. Aouizerat, K. A. Lee, and C. Miaskowski, “A Rasch analysis of assessments of morning and evening fatigue in oncology patients using the Lee Fatigue Scale,” Journal of Pain and Symptom Management, vol. 51, no. 6, pp. 1002–1012, Jun. 2016, doi: 10.1016/j.jpainsymman.2015.12.331.
LERDAL, Anners, Anders Börje Mauritz KOTTORP, Caryl GAY, Bradley E. AOUIZERAT, Kathryn A. LEE und Christine MIASKOWSKI, 2016. A Rasch analysis of assessments of morning and evening fatigue in oncology patients using the Lee Fatigue Scale. Journal of Pain and Symptom Management. Juni 2016. Bd. 51, Nr. 6, S. 1002–1012. DOI 10.1016/j.jpainsymman.2015.12.331
Lerdal, Anners, Anders Börje Mauritz Kottorp, Caryl Gay, Bradley E. Aouizerat, Kathryn A. Lee, and Christine Miaskowski. 2016. “A Rasch Analysis of Assessments of Morning and Evening Fatigue in Oncology Patients Using the Lee Fatigue Scale.” Journal of Pain and Symptom Management 51 (6): 1002–12. https://doi.org/10.1016/j.jpainsymman.2015.12.331.
Lerdal, Anners, et al. “A Rasch Analysis of Assessments of Morning and Evening Fatigue in Oncology Patients Using the Lee Fatigue Scale.” Journal of Pain and Symptom Management, vol. 51, no. 6, June 2016, pp. 1002–12, https://doi.org/10.1016/j.jpainsymman.2015.12.331.


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