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Published in: Dysphagia 1/2013

01-03-2013 | Original Article

The Validation and Psychometric Properties of the Dutch Version of the Swallowing Quality-of-Life Questionnaire (DSWAL-QOL)

Authors: Jan Vanderwegen, Gwen Van Nuffelen, Marc De Bodt

Published in: Dysphagia | Issue 1/2013

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Abstract

The aim of this work was to evaluate the psychometric properties of the Dutch version of the Swallowing Quality-of-Life Questionnaire (DSWAL-QOL). A cross-sectional survey of 295 dysphagic patients and 124 healthy controls was studied to evaluate the validity and reliability of the DSWAL-QOL, and 50 patients were recruited for the test–retest reliability. Construct validity was validated through principal component analysis and a correlation study between the DSWAL-QOL and the SF-36. The psychometric properties of the DSWAL-QOL were found to be largely similar to those of the original SWAL-QOL, except the Sleep scale; the composite Symptoms score reaffirms its validity in this study. The DSWAL-QOL was able to differentiate between dysphagic and nondysphagic patients and is sensitive to disease severity as measured by known-groups validity, based on different food and liquid textures. The DSWAL-QOL is a clinically valid and reliable tool for assessing the quality of life in Dutch-speaking dysphagic patients, regardless of the cause or severity of the dysphagia.
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Metadata
Title
The Validation and Psychometric Properties of the Dutch Version of the Swallowing Quality-of-Life Questionnaire (DSWAL-QOL)
Authors
Jan Vanderwegen
Gwen Van Nuffelen
Marc De Bodt
Publication date
01-03-2013
Publisher
Springer-Verlag
Published in
Dysphagia / Issue 1/2013
Print ISSN: 0179-051X
Electronic ISSN: 1432-0460
DOI
https://doi.org/10.1007/s00455-012-9408-y

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