Structural validity of the Finnish Manchester-Oxford Foot Questionnaire (MOXFQ) using the Rasch model

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http://hdl.handle.net/10138/338155

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Ponkilainen , V T , Miettinen , M , Sandelin , H , Lindahl , J , Häkkinen , A H , Toom , A , Tillgren , T , Ilves , O , Latvala , A O , Ahonen , K , Sirola , T , Sampo , M , Väistö , O & Repo , J P 2021 , ' Structural validity of the Finnish Manchester-Oxford Foot Questionnaire (MOXFQ) using the Rasch model ' , Foot and Ankle Surgery , vol. 27 , no. 1 , pp. 93-100 . https://doi.org/10.1016/j.fas.2020.02.012

Title: Structural validity of the Finnish Manchester-Oxford Foot Questionnaire (MOXFQ) using the Rasch model
Author: Ponkilainen, Ville T.; Miettinen, Mikko; Sandelin, Henrik; Lindahl, Jan; Häkkinen, Arja H.; Toom, Alar; Tillgren, Tomi; Ilves, Outi; Latvala, Antti O.; Ahonen, Katri; Sirola, Timo; Sampo, Mika; Väistö, Olli; Repo, Jussi P.
Contributor organization: I kirurgian klinikka (Töölö)
Helsinki University Hospital Area
University of Helsinki
HUS Musculoskeletal and Plastic Surgery
Department of Surgery
HUS Comprehensive Cancer Center
Department of Pathology
Department of Oncology
Medicum
Date: 2021-01
Language: eng
Number of pages: 8
Belongs to series: Foot and Ankle Surgery
ISSN: 1268-7731
DOI: https://doi.org/10.1016/j.fas.2020.02.012
URI: http://hdl.handle.net/10138/338155
Abstract: Background: The 16-item patient-reported Manchester-Oxford Foot Questionnaire (MOXFQ) with subscales of pain, social interactions, and walking/standing has been claimed for strongest scientific evidence in measuring foot and ankle complaints. This study tests the validity of the Finnish MOXFQ for orthopaedic foot and ankle population using the Rasch analysis. Methods: We translated the MOXFQ into Finnish and used that translation in our study. MOXFQ scores were obtained from 183 patients. Response category distribution, item fit, coverage, targeting, item dependency, ability to measure latent trait (unidimensionality), internal consistency (Cronbach's alpha), and person separation index (PSI) were analyzed. Results: Fifteen of the items had ordered response categories and/or sufficient fit statistics. The subscales provided coverage and targeting. Some residual correlation was noted. Removing one item in the pain subscale led to a unidimensional structure. Alphas and PSIs ranged between 0.68-0.90 and 0.67-0.92, respectively. Conclusions: Despite some infractions of the Rasch model, the instrument functioned well. The subscales of the MOXFQ are meaningful for assessing patient-reported complaints and outcomes in orthopaedic foot and ankle population. (C) 2020 European Foot and Ankle Society. Published by Elsevier Ltd. All rights reserved.
Subject: Foot
Ankle
Patient-reported
MOXFQ
PROM
Psychometrics
Validation
Surgery
Rasch
REPORTED OUTCOME MEASURES
RATING-SCALES
SYSTEMATIC REVIEWS
PATIENT
COSMIN
RESPONSIVENESS
RELIABILITY
VALIDATION
SURGERY
TRANSLATION
3126 Surgery, anesthesiology, intensive care, radiology
Peer reviewed: Yes
Rights: cc_by_nc_nd
Usage restriction: openAccess
Self-archived version: draft


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