Confirmatory factor analysis of the Oral Health Impact Profile
Identifieur interne : 003813 ( Istex/Corpus ); précédent : 003812; suivant : 003814Confirmatory factor analysis of the Oral Health Impact Profile
Auteurs : M. T. John ; L. Feuerstahler ; N. Waller ; K. Baba ; P. Larsson ; A. Elebi ; D. Kende ; K. Rener-Sitar ; D. R. ReissmannSource :
- Journal of Oral Rehabilitation [ 0305-182X ] ; 2014-09.
Abstract
Previous exploratory analyses suggest that the Oral Health Impact Profile (OHIP) consists of four correlated dimensions and that individual differences in OHIP total scores reflect an underlying higher‐order factor. The aim of this report is to corroborate these findings in the Dimensions of Oral Health‐Related Quality of Life (DOQ) Project, an international study of general population subjects and prosthodontic patients. Using the project's Validation Sample (n = 5022), we conducted confirmatory factor analyses in a sample of 4993 subjects with sufficiently complete data. In particular, we compared the psychometric performance of three models: a unidimensional model, a four‐factor model and a bifactor model that included one general factor and four group factors. Using model‐fit criteria and factor interpretability as guides, the four‐factor model was deemed best in terms of strong item loadings, model fit (RMSEA = 0·05, CFI = 0·99) and interpretability. These results corroborate our previous findings that four highly correlated factors – which we have named Oral Function, Oro‐facial Pain, Oro‐facial Appearance and Psychosocial Impact – can be reliably extracted from the OHIP item pool. However, the good fit of the unidimensional model and the high interfactor correlations in the four‐factor solution suggest that OHRQoL can also be sufficiently described with one score.
Url:
DOI: 10.1111/joor.12191
Links to Exploration step
ISTEX:7141AD84E9EB2E0C9529D7A3B38298AFE2AC56CBLe document en format XML
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Kende</name><affiliation><mods:affiliation>Department of Prosthodontics, University of Pécs, Pécs, Hungary</mods:affiliation></affiliation></author><author><name sortKey="Rener Itar, K" sort="Rener Itar, K" uniqKey="Rener Itar K" first="K." last="Rener-Sitar">K. Rener-Sitar</name><affiliation><mods:affiliation>Department of Prosthodontics, University of Ljubljana, Ljubljana, Slovenia</mods:affiliation></affiliation></author><author><name sortKey="Reissmann, D R" sort="Reissmann, D R" uniqKey="Reissmann D" first="D. R." last="Reissmann">D. R. Reissmann</name><affiliation><mods:affiliation>Department of Prosthetic Dentistry, Center for Dental and Oral Medicine, University Medical Center Hamburg‐Eppendorf, Hamburg, Germany</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">Journal of Oral Rehabilitation</title><title level="j" type="alt">JOURNAL OF ORAL REHABILITATION</title><idno type="ISSN">0305-182X</idno><idno type="eISSN">1365-2842</idno><imprint><biblScope unit="vol">41</biblScope><biblScope unit="issue">9</biblScope><biblScope unit="page" from="644">644</biblScope><biblScope unit="page" to="652">652</biblScope><biblScope unit="page-count">9</biblScope><date type="published" when="2014-09">2014-09</date></imprint><idno type="ISSN">0305-182X</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0305-182X</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract">Previous exploratory analyses suggest that the Oral Health Impact Profile (OHIP) consists of four correlated dimensions and that individual differences in OHIP total scores reflect an underlying higher‐order factor. The aim of this report is to corroborate these findings in the Dimensions of Oral Health‐Related Quality of Life (DOQ) Project, an international study of general population subjects and prosthodontic patients. Using the project's Validation Sample (n = 5022), we conducted confirmatory factor analyses in a sample of 4993 subjects with sufficiently complete data. In particular, we compared the psychometric performance of three models: a unidimensional model, a four‐factor model and a bifactor model that included one general factor and four group factors. Using model‐fit criteria and factor interpretability as guides, the four‐factor model was deemed best in terms of strong item loadings, model fit (RMSEA = 0·05, CFI = 0·99) and interpretability. These results corroborate our previous findings that four highly correlated factors – which we have named Oral Function, Oro‐facial Pain, Oro‐facial Appearance and Psychosocial Impact – can be reliably extracted from the OHIP item pool. However, the good fit of the unidimensional model and the high interfactor correlations in the four‐factor solution suggest that OHRQoL can also be sufficiently described with one score.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>M. T. John</name><affiliations><json:string>Department of Diagnostic and Biological Sciences, University of Minnesota, MN, Minneapolis, USA</json:string><json:string>E-mail: mtjohn@umn.edu</json:string></affiliations></json:item><json:item><name>L. Feuerstahler</name><affiliations><json:string>Department of Psychology, University of Minnesota, MN, Minneapolis, USA</json:string></affiliations></json:item><json:item><name>N. Waller</name><affiliations><json:string>Department of Psychology, University of Minnesota, MN, Minneapolis, USA</json:string></affiliations></json:item><json:item><name>K. 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The aim of this report is to corroborate these findings in the Dimensions of Oral Health‐Related Quality of Life (DOQ) Project, an international study of general population subjects and prosthodontic patients. Using the project's Validation Sample (n = 5022), we conducted confirmatory factor analyses in a sample of 4993 subjects with sufficiently complete data. In particular, we compared the psychometric performance of three models: a unidimensional model, a four‐factor model and a bifactor model that included one general factor and four group factors. Using model‐fit criteria and factor interpretability as guides, the four‐factor model was deemed best in terms of strong item loadings, model fit (RMSEA = 0·05, CFI = 0·99) and interpretability. These results corroborate our previous findings that four highly correlated factors – which we have named Oral Function, Oro‐facial Pain, Oro‐facial Appearance and Psychosocial Impact – can be reliably extracted from the OHIP item pool. 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T.</forename><surname>John</surname></persName><affiliation><orgName>Department of Diagnostic and Biological Sciences</orgName><orgName>University of Minnesota</orgName><address><settlement type="city">Minneapolis</settlement><region>MN</region><country key="US">USA</country></address></affiliation><affiliation>Correspondence: Mike T. John, Department of Diagnostic and Biological Sciences, University of Minnesota, 515 Delaware St. SE, Minneapolis, MN 55455, USA. E‐mail: mtjohn@umn.edu</affiliation></author><author xml:id="author-0001"><persName><forename type="first">L.</forename><surname>Feuerstahler</surname></persName><affiliation><orgName>Department of Psychology</orgName><orgName>University of Minnesota</orgName><address><settlement type="city">Minneapolis</settlement><region>MN</region><country key="US">USA</country></address></affiliation></author><author xml:id="author-0002"><persName><forename type="first">N.</forename><surname>Waller</surname></persName><affiliation><orgName>Department of Psychology</orgName><orgName>University of Minnesota</orgName><address><settlement type="city">Minneapolis</settlement><region>MN</region><country key="US">USA</country></address></affiliation></author><author xml:id="author-0003"><persName><forename type="first">K.</forename><surname>Baba</surname></persName><affiliation><orgName>Department of Prosthodontics</orgName><orgName>Showa University</orgName><address><settlement type="city">Tokyo</settlement><country key="JP">Japan</country></address></affiliation></author><author xml:id="author-0004"><persName><forename type="first">P.</forename><surname>Larsson</surname></persName><affiliation><orgName>Centre of Oral Rehabilitation</orgName><orgName>Prosthetic Dentistry</orgName><address><settlement type="city">Norrköping</settlement><country key="SE">Sweden</country></address></affiliation></author><author xml:id="author-0005"><persName><forename type="first">A.</forename><surname>Čelebić</surname></persName><affiliation><orgName>Department of Prosthodontics</orgName><orgName>University of Zagreb</orgName><address><settlement type="city">Zagreb</settlement><country key="HR">Croatia</country></address></affiliation></author><author xml:id="author-0006"><persName><forename type="first">D.</forename><surname>Kende</surname></persName><affiliation><orgName>Department of Prosthodontics</orgName><orgName>University of Pécs</orgName><address><settlement type="city">Pécs</settlement><country key="HU">Hungary</country></address></affiliation></author><author xml:id="author-0007"><persName><forename type="first">K.</forename><surname>Rener‐Sitar</surname></persName><affiliation><orgName>Department of Prosthodontics</orgName><orgName>University of Ljubljana</orgName><address><settlement type="city">Ljubljana</settlement><country key="SI">Slovenia</country></address></affiliation></author><author xml:id="author-0008"><persName><forename type="first">D. R.</forename><surname>Reissmann</surname></persName><affiliation><orgName>Department of Prosthetic Dentistry</orgName><orgName>Center for Dental and Oral Medicine</orgName><orgName>University Medical Center Hamburg‐Eppendorf</orgName><address><settlement type="city">Hamburg</settlement><country key="DE">Germany</country></address></affiliation></author><idno type="istex">7141AD84E9EB2E0C9529D7A3B38298AFE2AC56CB</idno><idno type="ark">ark:/67375/WNG-QZVJQX3Q-K</idno><idno type="DOI">10.1111/joor.12191</idno><idno type="unit">JOOR12191</idno><idno type="toTypesetVersion">file:JOOR.JOOR12191.pdf</idno></analytic><monogr><title level="j" type="main">Journal of Oral Rehabilitation</title><title level="j" type="alt">JOURNAL OF ORAL REHABILITATION</title><idno type="pISSN">0305-182X</idno><idno type="eISSN">1365-2842</idno><idno type="book-DOI">10.1111/(ISSN)1365-2842</idno><idno type="book-part-DOI">10.1111/joor.2014.41.issue-9</idno><idno type="product">JOOR</idno><imprint><biblScope unit="vol">41</biblScope><biblScope unit="issue">9</biblScope><biblScope unit="page" from="644">644</biblScope><biblScope unit="page" to="652">652</biblScope><biblScope unit="page-count">9</biblScope><date type="published" when="2014-09"></date></imprint></monogr></biblStruct></sourceDesc></fileDesc><profileDesc><abstract style="main" xml:id="joor12191-abs-0001"><head>Summary</head><p>Previous exploratory analyses suggest that the Oral Health Impact Profile (<hi rend="fc">OHIP</hi>) consists of four correlated dimensions and that individual differences in <hi rend="fc">OHIP</hi> total scores reflect an underlying higher‐order factor. The aim of this report is to corroborate these findings in the Dimensions of Oral Health‐Related Quality of Life (<hi rend="fc">DOQ</hi>) Project, an international study of general population subjects and prosthodontic patients. Using the project's <hi rend="italic">Validation Sample</hi> (<hi rend="italic">n</hi> = 5022), we conducted confirmatory factor analyses in a sample of 4993 subjects with sufficiently complete data. In particular, we compared the psychometric performance of three models: a unidimensional model, a four‐factor model and a bifactor model that included one general factor and four group factors. Using model‐fit criteria and factor interpretability as guides, the four‐factor model was deemed best in terms of strong item loadings, model fit (<hi rend="fc">RMSEA</hi> = 0·05, <hi rend="fc">CFI</hi> = 0·99) and interpretability. These results corroborate our previous findings that four highly correlated factors – which we have named <hi rend="italic">Oral Function</hi>,<hi rend="italic"> Oro‐facial Pain</hi>,<hi rend="italic"> Oro‐facial Appearance</hi> and <hi rend="italic">Psychosocial Impact</hi> – can be reliably extracted from the <hi rend="fc">OHIP</hi> item pool. However, the good fit of the unidimensional model and the high interfactor correlations in the four‐factor solution suggest that <hi rend="fc">OHRQ</hi>oL can also be sufficiently described with one score.</p></abstract><textClass><keywords><term xml:id="joor12191-kwd-0001">oral health‐related quality of life</term><term xml:id="joor12191-kwd-0002">Oral Health Impact Profile</term><term xml:id="joor12191-kwd-0003">dimensions</term><term xml:id="joor12191-kwd-0004">factor structure</term><term xml:id="joor12191-kwd-0005">confirmatory factor analysis</term></keywords><keywords rend="articleCategory"><term>Original Article</term></keywords><keywords rend="tocHeading1"><term>Original Articles</term></keywords></textClass><langUsage><language ident="en"></language></langUsage></profileDesc></teiHeader></istex:fulltextTEI></fulltext><metadata><istex:metadataXml wicri:clean="Wiley, elements deleted: body"><istex:xmlDeclaration>version="1.0" encoding="UTF-8" standalone="yes"</istex:xmlDeclaration><istex:document><component type="serialArticle" version="2.0" xml:id="joor12191" xml:lang="en"><header><publicationMeta level="product"><doi origin="wiley" registered="yes">10.1111/(ISSN)1365-2842</doi><issn type="print">0305-182X</issn><issn type="electronic">1365-2842</issn><idGroup><id type="product" value="JOOR"></id></idGroup><titleGroup><title sort="JOURNAL OF ORAL REHABILITATION" type="main">Journal of Oral Rehabilitation</title><title type="short">J Oral Rehabil</title></titleGroup></publicationMeta><publicationMeta level="part" position="90"><doi origin="wiley">10.1111/joor.2014.41.issue-9</doi><copyright ownership="publisher">Copyright © 2014 John Wiley & Sons Ltd</copyright><numberingGroup><numbering type="journalVolume" number="41">41</numbering><numbering type="journalIssue">9</numbering></numberingGroup><coverDate startDate="2014-09">September 2014</coverDate></publicationMeta><publicationMeta level="unit" position="20" status="forIssue" type="article"><doi>10.1111/joor.12191</doi><idGroup><id type="unit" value="JOOR12191"></id></idGroup><countGroup><count number="9" type="pageTotal"></count></countGroup><titleGroup><title type="articleCategory">Original Article</title><title type="tocHeading1">Original Articles</title></titleGroup><copyright ownership="publisher">© 2014 John Wiley & Sons Ltd</copyright><eventGroup><event date="2014-05-06" type="manuscriptAccepted"></event><event agent="SPS" date="2014-05-15" type="xmlCreated"></event><event type="publishedOnlineEarlyUnpaginated" date="2014-06-09"></event><event type="firstOnline" date="2014-06-09"></event><event type="publishedOnlineFinalForm" date="2014-08-11"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.6.4 mode:FullText" date="2015-10-06"></event></eventGroup><numberingGroup><numbering type="pageFirst">644</numbering><numbering type="pageLast">652</numbering></numberingGroup><correspondenceTo>Correspondence: Mike T. John, Department of Diagnostic and Biological Sciences, University of Minnesota, 515 Delaware St. SE, Minneapolis, MN 55455, USA. E‐mail: <email>mtjohn@umn.edu</email></correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:JOOR.JOOR12191.pdf"></link></linkGroup></publicationMeta><contentMeta><titleGroup><title type="main">Confirmatory factor analysis of the Oral Health Impact Profile</title><title type="shortAuthors">M. T. John <i>et al</i>.</title></titleGroup><creators><creator affiliationRef="#joor12191-aff-0001" corresponding="yes" creatorRole="author" xml:id="joor12191-cr-0001"><personName><givenNames>M. T.</givenNames> <familyName>John</familyName></personName></creator><creator affiliationRef="#joor12191-aff-0002" creatorRole="author" xml:id="joor12191-cr-0002"><personName><givenNames>L.</givenNames> <familyName>Feuerstahler</familyName></personName></creator><creator affiliationRef="#joor12191-aff-0002" creatorRole="author" xml:id="joor12191-cr-0003"><personName><givenNames>N.</givenNames> <familyName>Waller</familyName></personName></creator><creator affiliationRef="#joor12191-aff-0003" creatorRole="author" xml:id="joor12191-cr-0004"><personName><givenNames>K.</givenNames> <familyName>Baba</familyName></personName></creator><creator affiliationRef="#joor12191-aff-0004" creatorRole="author" xml:id="joor12191-cr-0005"><personName><givenNames>P.</givenNames> <familyName>Larsson</familyName></personName></creator><creator affiliationRef="#joor12191-aff-0005" creatorRole="author" xml:id="joor12191-cr-0006"><personName><givenNames>A.</givenNames> <familyName>Čelebić</familyName></personName></creator><creator affiliationRef="#joor12191-aff-0006" creatorRole="author" xml:id="joor12191-cr-0007"><personName><givenNames>D.</givenNames> <familyName>Kende</familyName></personName></creator><creator affiliationRef="#joor12191-aff-0007" creatorRole="author" xml:id="joor12191-cr-0008"><personName><givenNames>K.</givenNames> <familyName>Rener‐Sitar</familyName></personName></creator><creator affiliationRef="#joor12191-aff-0008" creatorRole="author" xml:id="joor12191-cr-0009"><personName><givenNames>D. R.</givenNames> <familyName>Reissmann</familyName></personName></creator></creators><affiliationGroup><affiliation countryCode="US" type="organization" xml:id="joor12191-aff-0001"><orgDiv>Department of Diagnostic and Biological Sciences</orgDiv> <orgName>University of Minnesota</orgName> <address><city>Minneapolis</city> <countryPart>MN</countryPart><country>USA</country></address></affiliation><affiliation countryCode="US" type="organization" xml:id="joor12191-aff-0002"><orgDiv>Department of Psychology</orgDiv> <orgName>University of Minnesota</orgName> <address><city>Minneapolis</city> <countryPart>MN</countryPart> <country>USA</country></address></affiliation><affiliation countryCode="JP" type="organization" xml:id="joor12191-aff-0003"><orgDiv>Department of Prosthodontics</orgDiv> <orgName>Showa University</orgName> <address><city>Tokyo</city> <country>Japan</country></address></affiliation><affiliation countryCode="SE" type="organization" xml:id="joor12191-aff-0004"><orgDiv>Centre of Oral Rehabilitation</orgDiv> <orgName>Prosthetic Dentistry</orgName> <address><city>Norrköping</city> <country>Sweden</country></address></affiliation><affiliation countryCode="HR" type="organization" xml:id="joor12191-aff-0005"><orgDiv>Department of Prosthodontics</orgDiv> <orgName>University of Zagreb</orgName> <address><city>Zagreb</city> <country>Croatia</country></address></affiliation><affiliation countryCode="HU" type="organization" xml:id="joor12191-aff-0006"><orgDiv>Department of Prosthodontics</orgDiv> <orgName>University of Pécs</orgName> <address><city>Pécs</city> <country>Hungary</country></address></affiliation><affiliation countryCode="SI" type="organization" xml:id="joor12191-aff-0007"><orgDiv>Department of Prosthodontics</orgDiv> <orgName>University of Ljubljana</orgName> <address><city>Ljubljana</city> <country>Slovenia</country></address></affiliation><affiliation countryCode="DE" type="organization" xml:id="joor12191-aff-0008"><orgDiv>Department of Prosthetic Dentistry</orgDiv> <orgName>Center for Dental and Oral Medicine</orgName> <orgName>University Medical Center Hamburg‐Eppendorf</orgName> <address><city>Hamburg</city> <country>Germany</country></address></affiliation></affiliationGroup><keywordGroup type="author"><keyword xml:id="joor12191-kwd-0001">oral health‐related quality of life</keyword><keyword xml:id="joor12191-kwd-0002">Oral Health Impact Profile</keyword><keyword xml:id="joor12191-kwd-0003">dimensions</keyword><keyword xml:id="joor12191-kwd-0004">factor structure</keyword><keyword xml:id="joor12191-kwd-0005">confirmatory factor analysis</keyword></keywordGroup><fundingInfo><fundingAgency>National Institute of Dental</fundingAgency></fundingInfo><fundingInfo><fundingAgency>Craniofacial Research of the National Institutes of Health</fundingAgency><fundingNumber>R01DE022331</fundingNumber></fundingInfo><abstractGroup><abstract type="main" xml:id="joor12191-abs-0001"><title type="main">Summary</title><p>Previous exploratory analyses suggest that the Oral Health Impact Profile (<fc>OHIP</fc>) consists of four correlated dimensions and that individual differences in <fc>OHIP</fc> total scores reflect an underlying higher‐order factor. The aim of this report is to corroborate these findings in the Dimensions of Oral Health‐Related Quality of Life (<fc>DOQ</fc>) Project, an international study of general population subjects and prosthodontic patients. Using the project's <i>Validation Sample</i> (<i>n</i> = 5022), we conducted confirmatory factor analyses in a sample of 4993 subjects with sufficiently complete data. In particular, we compared the psychometric performance of three models: a unidimensional model, a four‐factor model and a bifactor model that included one general factor and four group factors. Using model‐fit criteria and factor interpretability as guides, the four‐factor model was deemed best in terms of strong item loadings, model fit (<fc>RMSEA</fc> = 0·05, <fc>CFI</fc> = 0·99) and interpretability. These results corroborate our previous findings that four highly correlated factors – which we have named <i>Oral Function</i>,<i> Oro‐facial Pain</i>,<i> Oro‐facial Appearance</i> and <i>Psychosocial Impact</i> – can be reliably extracted from the <fc>OHIP</fc> item pool. However, the good fit of the unidimensional model and the high interfactor correlations in the four‐factor solution suggest that <fc>OHRQ</fc>oL can also be sufficiently described with one score.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Confirmatory factor analysis of the Oral Health Impact Profile</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Confirmatory factor analysis of the Oral Health Impact Profile</title></titleInfo><name type="personal"><namePart type="given">M. T.</namePart><namePart type="family">John</namePart><affiliation>Department of Diagnostic and Biological Sciences, University of Minnesota, MN, Minneapolis, USA</affiliation><affiliation>E-mail: mtjohn@umn.edu</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">L.</namePart><namePart type="family">Feuerstahler</namePart><affiliation>Department of Psychology, University of Minnesota, MN, Minneapolis, USA</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">N.</namePart><namePart type="family">Waller</namePart><affiliation>Department of Psychology, University of Minnesota, MN, Minneapolis, USA</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">K.</namePart><namePart type="family">Baba</namePart><affiliation>Department of Prosthodontics, Showa University, Tokyo, Japan</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">P.</namePart><namePart type="family">Larsson</namePart><affiliation>Centre of Oral Rehabilitation, Prosthetic Dentistry, Norrköping, Sweden</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">A.</namePart><namePart type="family">Čelebić</namePart><affiliation>Department of Prosthodontics, University of Zagreb, Zagreb, Croatia</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">D.</namePart><namePart type="family">Kende</namePart><affiliation>Department of Prosthodontics, University of Pécs, Pécs, Hungary</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">K.</namePart><namePart type="family">Rener‐Sitar</namePart><affiliation>Department of Prosthodontics, University of Ljubljana, Ljubljana, Slovenia</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">D. R.</namePart><namePart type="family">Reissmann</namePart><affiliation>Department of Prosthetic Dentistry, Center for Dental and Oral Medicine, University Medical Center Hamburg‐Eppendorf, Hamburg, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article" authority="ISTEX" authorityURI="https://content-type.data.istex.fr" valueURI="https://content-type.data.istex.fr/ark:/67375/XTP-6N5SZHKN-D">article</genre><originInfo><publisher>Blackwell Publishing Ltd</publisher><dateIssued encoding="w3cdtf">2014-09</dateIssued><dateCreated encoding="w3cdtf">2014-05-15</dateCreated><dateValid encoding="w3cdtf">2014-05-06</dateValid><copyrightDate encoding="w3cdtf">2014</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><abstract>Previous exploratory analyses suggest that the Oral Health Impact Profile (OHIP) consists of four correlated dimensions and that individual differences in OHIP total scores reflect an underlying higher‐order factor. The aim of this report is to corroborate these findings in the Dimensions of Oral Health‐Related Quality of Life (DOQ) Project, an international study of general population subjects and prosthodontic patients. Using the project's Validation Sample (n = 5022), we conducted confirmatory factor analyses in a sample of 4993 subjects with sufficiently complete data. In particular, we compared the psychometric performance of three models: a unidimensional model, a four‐factor model and a bifactor model that included one general factor and four group factors. Using model‐fit criteria and factor interpretability as guides, the four‐factor model was deemed best in terms of strong item loadings, model fit (RMSEA = 0·05, CFI = 0·99) and interpretability. These results corroborate our previous findings that four highly correlated factors – which we have named Oral Function, Oro‐facial Pain, Oro‐facial Appearance and Psychosocial Impact – can be reliably extracted from the OHIP item pool. However, the good fit of the unidimensional model and the high interfactor correlations in the four‐factor solution suggest that OHRQoL can also be sufficiently described with one score.</abstract><note type="funding">National Institute of Dental</note><note type="funding">Craniofacial Research of the National Institutes of Health - No. R01DE022331; </note><subject><genre>keywords</genre><topic>oral health‐related quality of life</topic><topic>Oral Health Impact Profile</topic><topic>dimensions</topic><topic>factor structure</topic><topic>confirmatory factor analysis</topic></subject><relatedItem type="host"><titleInfo><title>Journal of Oral Rehabilitation</title></titleInfo><titleInfo type="abbreviated"><title>J Oral Rehabil</title></titleInfo><genre type="journal" authority="ISTEX" authorityURI="https://publication-type.data.istex.fr" valueURI="https://publication-type.data.istex.fr/ark:/67375/JMC-0GLKJH51-B">journal</genre><subject><genre>article-category</genre><topic>Original Article</topic></subject><identifier type="ISSN">0305-182X</identifier><identifier type="eISSN">1365-2842</identifier><identifier type="DOI">10.1111/(ISSN)1365-2842</identifier><identifier type="PublisherID">JOOR</identifier><part><date>2014</date><detail type="volume"><caption>vol.</caption><number>41</number></detail><detail type="issue"><caption>no.</caption><number>9</number></detail><extent unit="pages"><start>644</start><end>652</end><total>9</total></extent></part></relatedItem><identifier type="istex">7141AD84E9EB2E0C9529D7A3B38298AFE2AC56CB</identifier><identifier type="ark">ark:/67375/WNG-QZVJQX3Q-K</identifier><identifier type="DOI">10.1111/joor.12191</identifier><identifier type="ArticleID">JOOR12191</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2014 John Wiley & Sons Ltd© 2014 John Wiley & Sons Ltd</accessCondition><recordInfo><recordContentSource authority="ISTEX" authorityURI="https://loaded-corpus.data.istex.fr" valueURI="https://loaded-corpus.data.istex.fr/ark:/67375/XBH-L0C46X92-X">wiley</recordContentSource></recordInfo></mods><json:item><extension>json</extension><original>false</original><mimetype>application/json</mimetype><uri>https://api.istex.fr/document/7141AD84E9EB2E0C9529D7A3B38298AFE2AC56CB/metadata/json</uri></json:item></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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