Validity, reliability, and factor structure of the Istanbul Low Back Pain Disability Index in axial spondyloarthritis

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dc.authoriderdem gursoy, didem/0000-0003-4962-0385
dc.authoridDuruoz, Mehmet Tuncay/0000-0003-3584-2788
dc.authoriddemir, ali nail/0000-0001-5713-4120
dc.authoridAcer Kasman, Sevtap/0000-0002-4805-0555
dc.authoridBaklacioglu, Hatice Sule/0000-0001-9062-8675
dc.contributor.authorDuruoz, Mehmet Tuncay
dc.contributor.authorAcer Kasman, Sevtap
dc.contributor.authorSahin, Nilay
dc.contributor.authorSezer, Ilhan
dc.contributor.authorBodur, Hatice
dc.contributor.authorKetenci, Aysegul
dc.contributor.authorHizmetli, Sami
dc.date.accessioned2024-10-26T18:11:31Z
dc.date.available2024-10-26T18:11:31Z
dc.date.issued2021
dc.departmentSivas Cumhuriyet Üniversitesi
dc.description.abstractObjective: To investigate the validation and reliability of Istanbul Low Back Pain Disability Index (ILBPDI) in axial spondyloarthritis (Ax-SpA). Methods: Patients with Ax-SpA according to The Assessment of SpondyloArthritis International Society criteria were recruited. The validation was assessed by face, content, and construct (convergent and divergent) validities, whereas the reliability was assessed by internal consistency and test-retest reliability. Factor analysis was performed. Convergent validity was assessed by correlations of ILBPDI with functional parameters (The Bath Ankylosing Spondylitis Functional Index, The Dougados Functional Index, and The Health Assessment Questionnaire). Divergent validity was assessed by correlations of ILBPDI with non-functional parameters. Results: Two hundred forty patients were recruited. Cognitive debriefing showed ILBPDI to be clear, relevant, and comprehensive. Cronbach's alpha coefficient was 0.953. The test-retest reliability was good with the intraclass correlation coefficient of 0.870. ILBPDI was represented by three-factor groups of activity: axial bending, sitting/rest, and standing activities. ILBPDI had good correlations with the functional parameters (rho changes between 0.809 and 0.580), and it had poor or non-significant correlations with the non-functional parameters (absolute rho changes between 0.669 and 0.001). Conclusion: ILBPDI is a practical, accurate, and non-time-consuming scale which is valid and reliable to evaluate the functional disability in patients with Ax-SpA.
dc.identifier.doi10.1080/14397595.2020.1733172
dc.identifier.endpage457
dc.identifier.issn1439-7595
dc.identifier.issn1439-7609
dc.identifier.issue2
dc.identifier.pmid32075459
dc.identifier.scopus2-s2.0-85081392577
dc.identifier.scopusqualityQ2
dc.identifier.startpage451
dc.identifier.urihttps://doi.org/10.1080/14397595.2020.1733172
dc.identifier.urihttps://hdl.handle.net/20.500.12418/30705
dc.identifier.volume31
dc.identifier.wosWOS:000518332700001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherTaylor & Francis Ltd
dc.relation.ispartofModern Rheumatology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectAxial spondyloarthritis
dc.subjectdisability
dc.subjectfunction
dc.subjectIstanbul low back pain disability index
dc.subjectvalidation
dc.titleValidity, reliability, and factor structure of the Istanbul Low Back Pain Disability Index in axial spondyloarthritis
dc.typeArticle

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