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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Exploratory factor analysis of the Oral Health Impact Profile</title>
<author><name sortKey="John, Mike T" sort="John, Mike T" uniqKey="John M" first="Mike T." last="John">Mike T. John</name>
<affiliation><nlm:aff id="A1">Department of Diagnostic and Biological Sciences, University of Minnesota, Minneapolis, USA</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Rei Mann, Daniel R" sort="Rei Mann, Daniel R" uniqKey="Rei Mann D" first="Daniel R." last="Rei Mann">Daniel R. Rei Mann</name>
<affiliation><nlm:aff id="A2">Department of Prosthetic Dentistry, Center for Dental and Oral Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Feuerstahler, Leah" sort="Feuerstahler, Leah" uniqKey="Feuerstahler L" first="Leah" last="Feuerstahler">Leah Feuerstahler</name>
<affiliation><nlm:aff id="A3">Department of Psychology, University of Minnesota, Minneapolis, USA</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Waller, Niels" sort="Waller, Niels" uniqKey="Waller N" first="Niels" last="Waller">Niels Waller</name>
<affiliation><nlm:aff id="A3">Department of Psychology, University of Minnesota, Minneapolis, USA</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Baba, Kazuyoshi" sort="Baba, Kazuyoshi" uniqKey="Baba K" first="Kazuyoshi" last="Baba">Kazuyoshi Baba</name>
<affiliation><nlm:aff id="A4">Department of Prosthodontics, Showa University, Tokyo, Japan</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Larsson, Pernilla" sort="Larsson, Pernilla" uniqKey="Larsson P" first="Pernilla" last="Larsson">Pernilla Larsson</name>
<affiliation><nlm:aff id="A5">Department of Prosthetic Dentistry, Institute for Postgraduate Dental Education, Jönköping, Sweden</nlm:aff>
</affiliation>
</author>
<author><name sortKey=" Elebi, Asja" sort=" Elebi, Asja" uniqKey=" Elebi A" first="Asja" last=" Elebi">Asja Elebi</name>
<affiliation><nlm:aff id="A6">Department of Prosthodontics, University of Zagreb, Zagreb, Croatia</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Szabo, Gyula" sort="Szabo, Gyula" uniqKey="Szabo G" first="Gyula" last="Szabo">Gyula Szabo</name>
<affiliation><nlm:aff id="A7">Department of Prosthodontics, University of Pécs, Pécs, Hungary</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Rener Sitar, Ksenija" sort="Rener Sitar, Ksenija" uniqKey="Rener Sitar K" first="Ksenija" last="Rener-Sitar">Ksenija Rener-Sitar</name>
<affiliation><nlm:aff id="A8">Department of Prosthodontics, University of Ljubljana, Ljubljana, Slovenia</nlm:aff>
</affiliation>
</author>
</titleStmt>
<publicationStmt><idno type="wicri:source">PMC</idno>
<idno type="pmid">24909881</idno>
<idno type="pmc">4138231</idno>
<idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4138231</idno>
<idno type="RBID">PMC:4138231</idno>
<idno type="doi">10.1111/joor.12192</idno>
<date when="2014">2014</date>
<idno type="wicri:Area/Pmc/Corpus">002626</idno>
<idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">002626</idno>
</publicationStmt>
<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Exploratory factor analysis of the Oral Health Impact Profile</title>
<author><name sortKey="John, Mike T" sort="John, Mike T" uniqKey="John M" first="Mike T." last="John">Mike T. John</name>
<affiliation><nlm:aff id="A1">Department of Diagnostic and Biological Sciences, University of Minnesota, Minneapolis, USA</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Rei Mann, Daniel R" sort="Rei Mann, Daniel R" uniqKey="Rei Mann D" first="Daniel R." last="Rei Mann">Daniel R. Rei Mann</name>
<affiliation><nlm:aff id="A2">Department of Prosthetic Dentistry, Center for Dental and Oral Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Feuerstahler, Leah" sort="Feuerstahler, Leah" uniqKey="Feuerstahler L" first="Leah" last="Feuerstahler">Leah Feuerstahler</name>
<affiliation><nlm:aff id="A3">Department of Psychology, University of Minnesota, Minneapolis, USA</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Waller, Niels" sort="Waller, Niels" uniqKey="Waller N" first="Niels" last="Waller">Niels Waller</name>
<affiliation><nlm:aff id="A3">Department of Psychology, University of Minnesota, Minneapolis, USA</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Baba, Kazuyoshi" sort="Baba, Kazuyoshi" uniqKey="Baba K" first="Kazuyoshi" last="Baba">Kazuyoshi Baba</name>
<affiliation><nlm:aff id="A4">Department of Prosthodontics, Showa University, Tokyo, Japan</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Larsson, Pernilla" sort="Larsson, Pernilla" uniqKey="Larsson P" first="Pernilla" last="Larsson">Pernilla Larsson</name>
<affiliation><nlm:aff id="A5">Department of Prosthetic Dentistry, Institute for Postgraduate Dental Education, Jönköping, Sweden</nlm:aff>
</affiliation>
</author>
<author><name sortKey=" Elebi, Asja" sort=" Elebi, Asja" uniqKey=" Elebi A" first="Asja" last=" Elebi">Asja Elebi</name>
<affiliation><nlm:aff id="A6">Department of Prosthodontics, University of Zagreb, Zagreb, Croatia</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Szabo, Gyula" sort="Szabo, Gyula" uniqKey="Szabo G" first="Gyula" last="Szabo">Gyula Szabo</name>
<affiliation><nlm:aff id="A7">Department of Prosthodontics, University of Pécs, Pécs, Hungary</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Rener Sitar, Ksenija" sort="Rener Sitar, Ksenija" uniqKey="Rener Sitar K" first="Ksenija" last="Rener-Sitar">Ksenija Rener-Sitar</name>
<affiliation><nlm:aff id="A8">Department of Prosthodontics, University of Ljubljana, Ljubljana, Slovenia</nlm:aff>
</affiliation>
</author>
</analytic>
<series><title level="j">Journal of oral rehabilitation</title>
<idno type="ISSN">0305-182X</idno>
<idno type="eISSN">1365-2842</idno>
<imprint><date when="2014">2014</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
</fileDesc>
<profileDesc><textClass></textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en"><p id="P1">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 prosthodontics patients. Using the project's <italic>Learning Sample</italic>
(N=5,173), we conducted an exploratory factor analysis on the 46 OHIP items not specifically referring to dentures for 5,146 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 <italic>Oral Function</italic>
, <italic>Orofacial Pain</italic>
, <italic>Orofacial Appearance, and Psychosocial Impact.</italic>
These four dimensions and the strong general factor are two viable hypotheses for the factor structure of the OHIP.</p>
</div>
</front>
</TEI>
<pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<pmc-dir>properties manuscript</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-journal-id">0433604</journal-id>
<journal-id journal-id-type="pubmed-jr-id">5092</journal-id>
<journal-id journal-id-type="nlm-ta">J Oral Rehabil</journal-id>
<journal-id journal-id-type="iso-abbrev">J Oral Rehabil</journal-id>
<journal-title-group><journal-title>Journal of oral rehabilitation</journal-title>
</journal-title-group>
<issn pub-type="ppub">0305-182X</issn>
<issn pub-type="epub">1365-2842</issn>
</journal-meta>
<article-meta><article-id pub-id-type="pmid">24909881</article-id>
<article-id pub-id-type="pmc">4138231</article-id>
<article-id pub-id-type="doi">10.1111/joor.12192</article-id>
<article-id pub-id-type="manuscript">NIHMS594664</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Article</subject>
</subj-group>
</article-categories>
<title-group><article-title>Exploratory factor analysis of the Oral Health Impact Profile</article-title>
</title-group>
<contrib-group><contrib contrib-type="author"><name><surname>John</surname>
<given-names>Mike T.</given-names>
</name>
<xref ref-type="aff" rid="A1">1</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Reißmann</surname>
<given-names>Daniel R.</given-names>
</name>
<xref ref-type="aff" rid="A2">2</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Feuerstahler</surname>
<given-names>Leah</given-names>
</name>
<xref ref-type="aff" rid="A3">3</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Waller</surname>
<given-names>Niels</given-names>
</name>
<xref ref-type="aff" rid="A3">3</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Baba</surname>
<given-names>Kazuyoshi</given-names>
</name>
<xref ref-type="aff" rid="A4">4</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Larsson</surname>
<given-names>Pernilla</given-names>
</name>
<xref ref-type="aff" rid="A5">5</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Čelebić</surname>
<given-names>Asja</given-names>
</name>
<xref ref-type="aff" rid="A6">6</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Szabo</surname>
<given-names>Gyula</given-names>
</name>
<xref ref-type="aff" rid="A7">7</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Rener-Sitar</surname>
<given-names>Ksenija</given-names>
</name>
<xref ref-type="aff" rid="A8">8</xref>
</contrib>
</contrib-group>
<aff id="A1"><label>1</label>
Department of Diagnostic and Biological Sciences, University of Minnesota, Minneapolis, USA</aff>
<aff id="A2"><label>2</label>
Department of Prosthetic Dentistry, Center for Dental and Oral Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany</aff>
<aff id="A3"><label>3</label>
Department of Psychology, University of Minnesota, Minneapolis, USA</aff>
<aff id="A4"><label>4</label>
Department of Prosthodontics, Showa University, Tokyo, Japan</aff>
<aff id="A5"><label>5</label>
Department of Prosthetic Dentistry, Institute for Postgraduate Dental Education, Jönköping, Sweden</aff>
<aff id="A6"><label>6</label>
Department of Prosthodontics, University of Zagreb, Zagreb, Croatia</aff>
<aff id="A7"><label>7</label>
Department of Prosthodontics, University of Pécs, Pécs, Hungary</aff>
<aff id="A8"><label>8</label>
Department of Prosthodontics, University of Ljubljana, Ljubljana, Slovenia</aff>
<author-notes><corresp id="FN1">Corresponding author: Dr. Mike T John, Department of Diagnostic and Biological Sciences, University of Minnesota, 515 Delaware St. SE, Minneapolis, MN 55455, USA, <email>mtjohn@umn.edu</email>
</corresp>
</author-notes>
<pub-date pub-type="nihms-submitted"><day>3</day>
<month>6</month>
<year>2014</year>
</pub-date>
<pub-date pub-type="epub"><day>09</day>
<month>6</month>
<year>2014</year>
</pub-date>
<pub-date pub-type="ppub"><month>9</month>
<year>2014</year>
</pub-date>
<pub-date pub-type="pmc-release"><day>01</day>
<month>9</month>
<year>2015</year>
</pub-date>
<volume>41</volume>
<issue>9</issue>
<fpage>635</fpage>
<lpage>643</lpage>
<pmc-comment>elocation-id from pubmed: 10.1111/joor.12192</pmc-comment>
<abstract><p id="P1">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 prosthodontics patients. Using the project's <italic>Learning Sample</italic>
(N=5,173), we conducted an exploratory factor analysis on the 46 OHIP items not specifically referring to dentures for 5,146 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 <italic>Oral Function</italic>
, <italic>Orofacial Pain</italic>
, <italic>Orofacial Appearance, and Psychosocial Impact.</italic>
These four dimensions and the strong general factor are two viable hypotheses for the factor structure of the OHIP.</p>
</abstract>
<kwd-group><kwd>Oral health-related quality of life</kwd>
<kwd>Oral Health Impact Profile</kwd>
<kwd>dimensions</kwd>
<kwd>factor structure</kwd>
<kwd>exploratory factor analysis</kwd>
</kwd-group>
</article-meta>
</front>
</pmc>
</record>
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