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Uncovering indications of the international classification of functioning, disability, and health from the 39-item Parkinson's Disease Questionnaire
Department of Health Sciences, Lund University.
Högskolan Kristianstad, Sektionen för hälsa och samhälle, Avdelningen för Hälsovetenskap. Högskolan Kristianstad, Forskningsmiljön PRO-CARE.ORCID-id: 0000-0003-4820-6203
Department of Health Sciences, Lund University.
Department of Neurology, University Hospital, Lund. (Forskningsmiljön PRO-CARE)ORCID-id: 0000-0003-2174-372X
2010 (engelsk)Inngår i: Parkinson's Disease, ISSN 2090-8083, E-ISSN 2042-0080, s. 984673-Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The 39-item Parkinson's disease questionnaire (PDQ-39) is the most widely used patient-reported rating scale in Parkinson's disease (PD). However, recent studies have questioned its validity and it is unclear what scores represent. This study explored the possibility of regrouping PDQ-39 items into scales representing the International Classification of Functioning, Disability, and Health (ICF) components of Body Functions and Structures (BF), Activities and Participation (AP), and Environmental (E) factors. An iterative process using Rasch analysis produced five new items sets, two each for the BF and AP components and one representing E. Four of these were found to represent clinically meaningful variables: Emotional Impairment (BF), Gross Motor Disability (AP), Fine Motor Disability (AP), and Socioattitudinal Environment (E) with acceptable reliability (0.73–0.96) and fit to the Rasch model (total item-trait chi-square, 8.28–33.2; P>.05). These new ICF-based scales offer a means to reanalyze PDQ-39 data from an ICF perspective and to study its health components using a widely available health status questionnaire for people with PD.

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2010. s. 984673-
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URN: urn:nbn:se:hkr:diva-7207DOI: 10.4061/2010/984673PubMedID: 20976013OAI: oai:DiVA.org:hkr-7207DiVA, id: diva2:349174
Tilgjengelig fra: 2010-09-06 Laget: 2010-09-06 Sist oppdatert: 2017-12-12bibliografisk kontrollert

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