The Osteoarthritis Knowledge Scale

aut.relation.endpage526
aut.relation.issue2
aut.relation.journalMusculoskeletal Care
aut.relation.startpage516
aut.relation.volume21
dc.contributor.authorDarlow, B
dc.contributor.authorKrägeloh, C
dc.contributor.authorAbbott, JH
dc.contributor.authorBennell, K
dc.contributor.authorBriggs, AM
dc.contributor.authorBrown, M
dc.contributor.authorClark, J
dc.contributor.authorDean, S
dc.contributor.authorFrench, S
dc.contributor.authorHinman, RS
dc.contributor.authorLawford, BJ
dc.contributor.authorO’Brien, D
dc.contributor.authorWhittaker, JL
dc.contributor.authorStanley, J
dc.date.accessioned2023-07-05T22:41:38Z
dc.date.available2023-07-05T22:41:38Z
dc.date.issued2022-12-27
dc.description.abstractObjective: Accurate knowledge is central to effective self-care of osteoarthritis (OA). This study aimed to assess the measurement properties of the Osteoarthritis Knowledge Scale (OAKS) with versions for the hip and knee. Methods: Participants with hip OA (n = 144), knee OA (n = 327), and no OA (n = 735) were recruited. Rasch analysis was conducted to assess psychometric properties using data from all participants with hip OA and 144 randomly selected participants with either knee OA or no OA. Test-retest reliability and measurement error were estimated among those with hip (n = 51) and knee (n = 142) OA. Results: Four items from the draft scales were deleted following Rasch analysis. The final 11-item OAKS was unidimensional. Item functioning was not affected by gender, age, educational level, or scale version (hip or knee). Person separation index was 0.75. Test-retest intraclass correlation coefficient was 0.81 (95% CI 0.74, 0.86; hip version 0.66 [0.47, 0.79]; knee version 0.85 (0.79, 0.90)). Smallest detectable change was 9 points (scale range 11–55; hip OA version 11 points; knee OA version 8 points). Conclusion: The OAKS is a psychometrically adequate, unidimensional measure of important OA knowledge that can be used in populations with and without hip and knee OA. Caution is needed when using with populations with only hip OA as test-retest reliability of the hip version did not surpass the acceptable range.
dc.identifier.citationMusculoskeletal Care, ISSN: 1478-2189 (Print); 1557-0681 (Online), Wiley, 21(2), 516-526. doi: 10.1002/msc.1727
dc.identifier.doi10.1002/msc.1727
dc.identifier.issn1478-2189
dc.identifier.issn1557-0681
dc.identifier.urihttp://hdl.handle.net/10292/16359
dc.languageeng
dc.publisherWiley
dc.relation.urihttps://onlinelibrary.wiley.com/doi/10.1002/msc.1727
dc.rights.accessrightsOpenAccess
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjecthip osteoarthritis
dc.subjectknee osteoarthritis
dc.subjectknowledge
dc.subjectpatient-reported outcome measure
dc.subjectpsychometrics
dc.subjectreproducibility of results
dc.subject4201 Allied Health and Rehabilitation Science
dc.subject42 Health Sciences
dc.subjectArthritis
dc.subjectClinical Research
dc.subjectPain Research
dc.subjectOsteoarthritis
dc.subjectChronic Pain
dc.subjectAging
dc.subjectMusculoskeletal
dc.subject1110 Nursing
dc.subjectArthritis & Rheumatology
dc.subject4205 Nursing
dc.subject.meshHumans
dc.subject.meshOsteoarthritis, Hip
dc.subject.meshReproducibility of Results
dc.subject.meshSurveys and Questionnaires
dc.subject.meshOsteoarthritis, Knee
dc.subject.meshKnee Joint
dc.subject.meshKnee Joint
dc.subject.meshHumans
dc.subject.meshOsteoarthritis, Knee
dc.subject.meshOsteoarthritis, Hip
dc.subject.meshReproducibility of Results
dc.subject.meshSurveys and Questionnaires
dc.subject.meshHumans
dc.subject.meshOsteoarthritis, Hip
dc.subject.meshReproducibility of Results
dc.subject.meshSurveys and Questionnaires
dc.subject.meshOsteoarthritis, Knee
dc.subject.meshKnee Joint
dc.titleThe Osteoarthritis Knowledge Scale
dc.typeJournal Article
pubs.elements-id488607
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