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dc.contributor.authorIkonen, J.
dc.contributor.authorHulkkonen, S.
dc.contributor.authorRyhänen, J.
dc.contributor.authorHäkkinen, A.
dc.contributor.authorKarppinen, J.
dc.contributor.authorRepo, J. P.
dc.date.accessioned2021-03-10T06:21:39Z
dc.date.available2021-03-10T06:21:39Z
dc.date.issued2020
dc.identifier.citationIkonen, J., Hulkkonen, S., Ryhänen, J., Häkkinen, A., Karppinen, J., & Repo, J. P. (2020). The structural validity of the Finnish version of the Disabilities of the Arm, Shoulder and Hand : a Rasch model analysis. <i>Hand Therapy</i>, <i>25</i>(1), 3-10. <a href="https://doi.org/10.1177/1758998320907116" target="_blank">https://doi.org/10.1177/1758998320907116</a>
dc.identifier.otherCONVID_34909677
dc.identifier.urihttps://jyx.jyu.fi/handle/123456789/74557
dc.description.abstractIntroduction The construct validity of the Disabilities of the Arm, Shoulder and Hand questionnaire (DASH) has previously been questioned. The purpose of this study was to evaluate the measurement properties of the Finnish version of the DASH for assessing disability in patients with hand complaints using Rasch Measurement Theory. Methods A cohort of 193 patients with typical hand and wrist complaints were recruited at a surgery outpatient clinic. The DASH scores were analysed using the Rasch model for differential item functioning, unidimensionality, fit statistics, item residual correlation, coverage/targeting and reliability. Results In the original DASH questionnaire, the item response thresholds were disordered for 2 of 30 of the items. The item fit was poor for 9 of 30 of the items. Unidimensionality was not supported. There was substantial residual correlation between 87 pairs of items. Item reduction (chi square 95, degrees of freedom 50, p < 0.001) and constructing two testlets led to unidimensionality (chi square 0.64, degrees of freedom 4, p = 0.96). Person separation index was 0.95. The testlets had good fit with no differential item functioning towards age or gender. Conclusion Unidimensionality of the original Finnish version of the DASH was not supported, meaning the questionnaire seems to gauge traits other than disability alone. Hence, the clinician must be careful when trying to measure change in patients’ scores. Item reduction or the creation of testlets did not lead to good alternatives for the original Finnish DASH. Differential item functioning showed that the original Finnish scale exhibits minor response bias by age in one item. The original Finnish DASH covers different levels of ability well among typical hand surgery patients.en
dc.format.mimetypeapplication/pdf
dc.languageeng
dc.language.isoeng
dc.publisherSage Publications
dc.relation.ispartofseriesHand Therapy
dc.rightsIn Copyright
dc.subject.otherDASH
dc.subject.othervalidation
dc.subject.otherRasch
dc.subject.otherFinnish
dc.subject.otherdisability
dc.subject.otheroutcome
dc.titleThe structural validity of the Finnish version of the Disabilities of the Arm, Shoulder and Hand : a Rasch model analysis
dc.typearticle
dc.identifier.urnURN:NBN:fi:jyu-202103101909
dc.contributor.laitosLiikuntatieteellinen tiedekuntafi
dc.contributor.laitosFaculty of Sport and Health Sciencesen
dc.contributor.oppiaineFysioterapiafi
dc.contributor.oppiainePhysiotherapyen
dc.type.urihttp://purl.org/eprint/type/JournalArticle
dc.type.coarhttp://purl.org/coar/resource_type/c_2df8fbb1
dc.description.reviewstatuspeerReviewed
dc.format.pagerange3-10
dc.relation.issn1758-9983
dc.relation.numberinseries1
dc.relation.volume25
dc.type.versionacceptedVersion
dc.rights.copyright© 2020 SAGE
dc.rights.accesslevelopenAccessfi
dc.subject.ysoleikkaushoito
dc.subject.ysoranteet
dc.subject.ysomittarit (mittaus)
dc.subject.ysohoitotulokset
dc.subject.ysovalidointi
dc.subject.ysoRaschin malli
dc.subject.ysokädet
dc.subject.ysotoimintarajoitteet
dc.format.contentfulltext
jyx.subject.urihttp://www.yso.fi/onto/yso/p842
jyx.subject.urihttp://www.yso.fi/onto/yso/p809
jyx.subject.urihttp://www.yso.fi/onto/yso/p21210
jyx.subject.urihttp://www.yso.fi/onto/yso/p25941
jyx.subject.urihttp://www.yso.fi/onto/yso/p20652
jyx.subject.urihttp://www.yso.fi/onto/yso/p24250
jyx.subject.urihttp://www.yso.fi/onto/yso/p810
jyx.subject.urihttp://www.yso.fi/onto/yso/p3472
dc.rights.urlhttp://rightsstatements.org/page/InC/1.0/?language=en
dc.relation.doi10.1177/1758998320907116
dc.type.okmA1


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