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Publication type: Article in scientific journal
Type of review: Peer review (publication)
Title: Validation of the 7-item knee replacement patient education questionnaire (KR-PEQ-7), based on the 16-item knee osteoarthritis patient education questionnaire (KOPEQ)
Authors: Huber, Erika O.
Boger, Axel
Meichtry, André
Bastiaenen, Caroline H. Germaine
et. al: No
DOI: 10.1186/s12891-020-03476-y
Published in: BMC Musculoskeletal Disorders
Volume(Issue): 21
Issue: 468
Issue Date: 2020
Publisher / Ed. Institution: BioMed Central
ISSN: 1471-2474
Language: English
Subjects: Educational intervention; Knee osteoarthritis; Knee replacement; Patient education; Validity
Subject (DDC): 616.7: Diseases of musculoskeletal system and orthopaedics
Abstract: Background: The aim of this study was to investigate the content validity including item reduction, construct validity and internal consistency of the existing 16-item Knee Osteoarthritis Patient Education Questionnaire. Former research had indicated that a reduction of items was necessary. Participants were patients with severe knee osteoarthritis who, prior to undergoing a knee replacement operation, participated routinely in a preoperative educational intervention. Methods: A mixed method design was used. The first step was directed at the reduction in the number of items on the 16-item Knee Osteoarthritis Patient Education Questionnaire. Based on a priori hypotheses, this was followed by a cross-sectional validation study, performed to compare the resulting 7-item Knee Replacement Patient Education Questionnaire to a patient-testing Interview Protocol that was tailored to the same patient educational material. Additionally, the revised questionnaire was correlated with both the Short Test of Functional Health Literacy and the Mini-Mental State Examination score. Results: A relatively high internal consistency was found for the 7-item Knee Replacement Patient Education Questionnaire, with a Cronbach’s alpha of 0.84 (SE: 0.036). Explanatory factor analysis showed no evidence against a one-factor model, with the first and second eigenvalues being 3.8 and 0.31, respectively. Bayesian Estimation of the correlation between the 7-item Knee Replacement Patient Education Questionnaire and the Interview Protocol was 0.78 (mode) (95% HPD 0.58–0.89). Conclusions: The 7-item Knee Replacement Patient Education Questionnaire shows good psychometric properties and could provide valuable support to health professionals. It can provide valid feedback on how patients waiting for a knee replacement operation experience an applied patient education intervention. Further investigation is needed to assess the applicability of the 7-item Knee Replacement Patient Education Questionnaire to larger samples in different hospitals and countries.
Fulltext version: Published version
License (according to publishing contract): CC BY 4.0: Attribution 4.0 International
Departement: School of Health Sciences
Organisational Unit: Institute of Physiotherapy (IPT)
Appears in collections:Publikationen Gesundheit

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