Exploratory factor analysis of the Oral Health Impact Profile
Identifieur interne : 006E92 ( Istex/Corpus ); précédent : 006E91; suivant : 006E93Exploratory factor analysis of the Oral Health Impact Profile
Auteurs : M. T. John ; D. R. Reissmann ; L. Feuerstahler ; N. Waller ; K. Baba ; P. Larsson ; A. Elebi ; G. Szabo ; K. Rener-SitarSource :
- Journal of Oral Rehabilitation [ 0305-182X ] ; 2014-09.
Abstract
Although oral health‐related quality of life (OHRQoL) as measured by the Oral Health Impact Profile (OHIP) is thought to be multidimensional, the nature of these dimensions is not known. The aim of this report was to explore the dimensionality of the OHIP using the Dimensions of OHRQoL (DOQ) Project, an international study of general population subjects and prosthodontic patients. Using the project's Learning Sample (n = 5173), we conducted an exploratory factor analysis on the 46 OHIP items not specifically referring to dentures for 5146 subjects with sufficiently complete data. The first eigenvalue (27·0) of the polychoric correlation matrix was more than ten times larger than the second eigenvalue (2·6), suggesting the presence of a dominant, higher‐order general factor. Follow‐up analyses with Horn's parallel analysis revealed a viable second‐order, four‐factor solution. An oblique rotation of this solution revealed four highly correlated factors that we named Oral Function, Oro‐facial Pain, Oro‐facial Appearance and Psychosocial Impact. These four dimensions and the strong general factor are two viable hypotheses for the factor structure of the OHIP.
Url:
DOI: 10.1111/joor.12192
Links to Exploration step
ISTEX:DF68BCAC617DB40B7CAD58907F38F1DC7CD90392Le document en format XML
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John</name><affiliation><mods:affiliation>Department of Diagnostic and Biological Sciences, University of Minnesota, MN, Minneapolis, USA</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: mtjohn@umn.edu</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><author><name sortKey="Feuerstahler, L" sort="Feuerstahler, L" uniqKey="Feuerstahler L" first="L." last="Feuerstahler">L. Feuerstahler</name><affiliation><mods:affiliation>Department of Psychology, University of Minnesota, MN, Minneapolis, USA</mods:affiliation></affiliation></author><author><name sortKey="Waller, N" sort="Waller, N" uniqKey="Waller N" first="N." last="Waller">N. 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Rener-Sitar</name><affiliation><mods:affiliation>Department of Prosthodontics, University of Ljubljana, Ljubljana, Slovenia</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="635">635</biblScope><biblScope unit="page" to="643">643</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">Although oral health‐related quality of life (OHRQoL) as measured by the Oral Health Impact Profile (OHIP) is thought to be multidimensional, the nature of these dimensions is not known. The aim of this report was to explore the dimensionality of the OHIP using the Dimensions of OHRQoL (DOQ) Project, an international study of general population subjects and prosthodontic patients. Using the project's Learning Sample (n = 5173), we conducted an exploratory factor analysis on the 46 OHIP items not specifically referring to dentures for 5146 subjects with sufficiently complete data. The first eigenvalue (27·0) of the polychoric correlation matrix was more than ten times larger than the second eigenvalue (2·6), suggesting the presence of a dominant, higher‐order general factor. Follow‐up analyses with Horn's parallel analysis revealed a viable second‐order, four‐factor solution. An oblique rotation of this solution revealed four highly correlated factors that we named Oral Function, Oro‐facial Pain, Oro‐facial Appearance and Psychosocial Impact. These four dimensions and the strong general factor are two viable hypotheses for the factor structure of the OHIP.</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>D. R. Reissmann</name><affiliations><json:string>Department of Prosthetic Dentistry, Center for Dental and Oral Medicine, University Medical Center Hamburg‐Eppendorf, Hamburg, Germany</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. 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The aim of this report was to explore the dimensionality of the OHIP using the Dimensions of OHRQoL (DOQ) Project, an international study of general population subjects and prosthodontic patients. Using the project's Learning Sample (n = 5173), we conducted an exploratory factor analysis on the 46 OHIP items not specifically referring to dentures for 5146 subjects with sufficiently complete data. The first eigenvalue (27·0) of the polychoric correlation matrix was more than ten times larger than the second eigenvalue (2·6), suggesting the presence of a dominant, higher‐order general factor. Follow‐up analyses with Horn's parallel analysis revealed a viable second‐order, four‐factor solution. An oblique rotation of this solution revealed four highly correlated factors that we named Oral Function, Oro‐facial Pain, Oro‐facial Appearance and Psychosocial Impact. 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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">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><author xml:id="author-0002"><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-0003"><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-0004"><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-0005"><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-0006"><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-0007"><persName><forename type="first">G.</forename><surname>Szabo</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-0008"><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><idno type="istex">DF68BCAC617DB40B7CAD58907F38F1DC7CD90392</idno><idno type="ark">ark:/67375/WNG-9VJL70K8-R</idno><idno type="DOI">10.1111/joor.12192</idno><idno type="unit">JOOR12192</idno><idno type="toTypesetVersion">file:JOOR.JOOR12192.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="635">635</biblScope><biblScope unit="page" to="643">643</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="joor12192-abs-0001"><head>Summary</head><p>Although oral health‐related quality of life (<hi rend="fc">OHRQ</hi>oL) as measured by the Oral Health Impact Profile (<hi rend="fc">OHIP</hi>) is thought to be multidimensional, the nature of these dimensions is not known. The aim of this report was to explore the dimensionality of the <hi rend="fc">OHIP</hi> using the Dimensions of <hi rend="fc">OHRQ</hi>oL (<hi rend="fc">DOQ</hi>) Project, an international study of general population subjects and prosthodontic patients. Using the project's <hi rend="italic">Learning Sample</hi> (<hi rend="italic">n </hi>= 5173), we conducted an exploratory factor analysis on the 46 <hi rend="fc">OHIP</hi> items not specifically referring to dentures for 5146 subjects with sufficiently complete data. The first eigenvalue (27·0) of the polychoric correlation matrix was more than ten times larger than the second eigenvalue (2·6), suggesting the presence of a dominant, higher‐order general factor. Follow‐up analyses with Horn's parallel analysis revealed a viable second‐order, four‐factor solution. An oblique rotation of this solution revealed four highly correlated factors that we named <hi rend="italic">Oral Function</hi>,<hi rend="italic"> Oro‐facial Pain</hi>,<hi rend="italic"> Oro‐facial Appearance and Psychosocial Impact</hi>. These four dimensions and the strong general factor are two viable hypotheses for the factor structure of the <hi rend="fc">OHIP</hi>.</p></abstract><textClass><keywords><term xml:id="joor12192-kwd-0001">oral health‐related quality of life</term><term xml:id="joor12192-kwd-0002">Oral Health Impact Profile</term><term xml:id="joor12192-kwd-0003">dimensions</term><term xml:id="joor12192-kwd-0004">factor structure</term><term xml:id="joor12192-kwd-0005">exploratory 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="joor12192" 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="10" status="forIssue" type="article"><doi>10.1111/joor.12192</doi><idGroup><id type="unit" value="JOOR12192"></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="2014-04-15" 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">635</numbering><numbering type="pageLast">643</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.JOOR12192.pdf"></link></linkGroup></publicationMeta><contentMeta><titleGroup><title type="main">Exploratory factor analysis of the Oral Health Impact Profile</title><title type="shortAuthors">M. T. John <i>et al</i>.</title></titleGroup><creators><creator affiliationRef="#joor12192-aff-0001" corresponding="yes" creatorRole="author" xml:id="joor12192-cr-0001"><personName><givenNames>M. T.</givenNames> <familyName>John</familyName></personName></creator><creator affiliationRef="#joor12192-aff-0002" creatorRole="author" xml:id="joor12192-cr-0002"><personName><givenNames>D. R.</givenNames> <familyName>Reissmann</familyName></personName></creator><creator affiliationRef="#joor12192-aff-0003" creatorRole="author" xml:id="joor12192-cr-0003"><personName><givenNames>L.</givenNames> <familyName>Feuerstahler</familyName></personName></creator><creator affiliationRef="#joor12192-aff-0003" creatorRole="author" xml:id="joor12192-cr-0004"><personName><givenNames>N.</givenNames> <familyName>Waller</familyName></personName></creator><creator affiliationRef="#joor12192-aff-0004" creatorRole="author" xml:id="joor12192-cr-0005"><personName><givenNames>K.</givenNames> <familyName>Baba</familyName></personName></creator><creator affiliationRef="#joor12192-aff-0005" creatorRole="author" xml:id="joor12192-cr-0006"><personName><givenNames>P.</givenNames> <familyName>Larsson</familyName></personName></creator><creator affiliationRef="#joor12192-aff-0006" creatorRole="author" xml:id="joor12192-cr-0007"><personName><givenNames>A.</givenNames> <familyName>Čelebić</familyName></personName></creator><creator affiliationRef="#joor12192-aff-0007" creatorRole="author" xml:id="joor12192-cr-0008"><personName><givenNames>G.</givenNames> <familyName>Szabo</familyName></personName></creator><creator affiliationRef="#joor12192-aff-0008" creatorRole="author" xml:id="joor12192-cr-0009"><personName><givenNames>K.</givenNames> <familyName>Rener‐Sitar</familyName></personName></creator></creators><affiliationGroup><affiliation countryCode="US" type="organization" xml:id="joor12192-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="DE" type="organization" xml:id="joor12192-aff-0002"><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><affiliation countryCode="US" type="organization" xml:id="joor12192-aff-0003"><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="joor12192-aff-0004"><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="joor12192-aff-0005"><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="joor12192-aff-0006"><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="joor12192-aff-0007"><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="joor12192-aff-0008"><orgDiv>Department of Prosthodontics</orgDiv> <orgName>University of Ljubljana</orgName> <address><city>Ljubljana</city> <country>Slovenia</country></address></affiliation></affiliationGroup><keywordGroup type="author"><keyword xml:id="joor12192-kwd-0001">oral health‐related quality of life</keyword><keyword xml:id="joor12192-kwd-0002">Oral Health Impact Profile</keyword><keyword xml:id="joor12192-kwd-0003">dimensions</keyword><keyword xml:id="joor12192-kwd-0004">factor structure</keyword><keyword xml:id="joor12192-kwd-0005">exploratory 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="joor12192-abs-0001"><title type="main">Summary</title><p>Although oral health‐related quality of life (<fc>OHRQ</fc>oL) as measured by the Oral Health Impact Profile (<fc>OHIP</fc>) is thought to be multidimensional, the nature of these dimensions is not known. The aim of this report was to explore the dimensionality of the <fc>OHIP</fc> using the Dimensions of <fc>OHRQ</fc>oL (<fc>DOQ</fc>) Project, an international study of general population subjects and prosthodontic patients. Using the project's <i>Learning Sample</i> (<i>n </i>= 5173), we conducted an exploratory factor analysis on the 46 <fc>OHIP</fc> items not specifically referring to dentures for 5146 subjects with sufficiently complete data. The first eigenvalue (27·0) of the polychoric correlation matrix was more than ten times larger than the second eigenvalue (2·6), suggesting the presence of a dominant, higher‐order general factor. Follow‐up analyses with Horn's parallel analysis revealed a viable second‐order, four‐factor solution. An oblique rotation of this solution revealed four highly correlated factors that we named <i>Oral Function</i>,<i> Oro‐facial Pain</i>,<i> Oro‐facial Appearance and Psychosocial Impact</i>. These four dimensions and the strong general factor are two viable hypotheses for the factor structure of the <fc>OHIP</fc>.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Exploratory factor analysis of the Oral Health Impact Profile</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Exploratory 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">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><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">G.</namePart><namePart type="family">Szabo</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><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">2014-04-15</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>Although oral health‐related quality of life (OHRQoL) as measured by the Oral Health Impact Profile (OHIP) is thought to be multidimensional, the nature of these dimensions is not known. The aim of this report was to explore the dimensionality of the OHIP using the Dimensions of OHRQoL (DOQ) Project, an international study of general population subjects and prosthodontic patients. Using the project's Learning Sample (n = 5173), we conducted an exploratory factor analysis on the 46 OHIP items not specifically referring to dentures for 5146 subjects with sufficiently complete data. The first eigenvalue (27·0) of the polychoric correlation matrix was more than ten times larger than the second eigenvalue (2·6), suggesting the presence of a dominant, higher‐order general factor. Follow‐up analyses with Horn's parallel analysis revealed a viable second‐order, four‐factor solution. An oblique rotation of this solution revealed four highly correlated factors that we named Oral Function, Oro‐facial Pain, Oro‐facial Appearance and Psychosocial Impact. These four dimensions and the strong general factor are two viable hypotheses for the factor structure of the OHIP.</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>exploratory 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>635</start><end>643</end><total>9</total></extent></part></relatedItem><identifier type="istex">DF68BCAC617DB40B7CAD58907F38F1DC7CD90392</identifier><identifier type="ark">ark:/67375/WNG-9VJL70K8-R</identifier><identifier type="DOI">10.1111/joor.12192</identifier><identifier type="ArticleID">JOOR12192</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/DF68BCAC617DB40B7CAD58907F38F1DC7CD90392/metadata/json</uri></json:item></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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