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dc.contributor.authorLin, Chung-Ying
dc.contributor.authorTadakamadla, Santosh Kumar
dc.contributor.authorPakpour, Amir H.
dc.date.accessioned2017-10-16T12:30:57Z
dc.date.available2017-10-16T12:30:57Z
dc.date.issued2016
dc.identifier.issn2228-6497
dc.identifier.doi10.15171/hpp.2016.23
dc.identifier.urihttp://hdl.handle.net/10072/143158
dc.description.abstractBackground: The study aimed to further evaluate the psychometric properties of one recently developed oral health related quality of life (OHRQoL) instrument (PedsQL Oral Health Scale), including student self-report and parent-proxy report. Specifically, we tested the item validity,threshold order, local dependency, and differential item functioning (DIF) across gender and rater. Methods: This is a cross-sectional study, and study population was recruited in Qazvin, Iran using one-stage sampling with the unit of school. Students and their parents (1529 dyads) separately completed the Persian version of PedsQL Oral Health Scale. The psychometric properties were analyzed using Rasch rating scale model, including item validity, threshold order for response categories, and DIF across gender (boys vs. girls in student self-report) and rater (student self report vs. parent-proxy report). Results: All items had satisfactory in fit and outfit mean square error. One disordering category(the response of often) was found in parent-proxy report, while all categories were ordered in student self-report. All items were DIF-trivial across gender and rater. Conclusion: PedsQL Oral Health Scale is a valid instrument to measure OHRQoL. However, our results indicated that the parent-proxy report was inferior to the student self-report, and healthcare providers should primarily use the student self-report.
dc.description.peerreviewedYes
dc.languageEnglish
dc.language.isoeng
dc.publisherTabriz University of Medical Sciences
dc.relation.ispartofpagefrom145
dc.relation.ispartofpageto151
dc.relation.ispartofissue3
dc.relation.ispartofjournalHealth Promotion Perspectives
dc.relation.ispartofvolume6
dc.subject.fieldofresearchDentistry not elsewhere classified
dc.subject.fieldofresearchcode110599
dc.titleRasch analysis of the Persian version of PedsQLTM Oral Health Scale: further psychometric evaluation on item validity including differential item functioning
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
dcterms.licensehttp://creativecommons.org/licenses/by/4.0/
dc.description.versionVersion of Record (VoR)
gro.rights.copyright© 2016 The Author(s). This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
gro.hasfulltextFull Text
gro.griffith.authorTadakamadla, Santosh Kumar


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