Multivariate, non linear analysis of the preference for preservation of the teeth
Identifieur interne : 006061 ( Istex/Checkpoint ); précédent : 006060; suivant : 006062Multivariate, non linear analysis of the preference for preservation of the teeth
Auteurs : Albert H. B. Schuurs [Pays-Bas] ; Hugo J. Duivenvoorden [Pays-Bas] ; Henny C. C. H. Coolen [Pays-Bas] ; Jan L. A. Van Rijckevorsel [Pays-Bas]Source :
- Community Dentistry and Oral Epidemiology [ 0301-5661 ] ; 1984-12.
Abstract
Abstract Application of classical, linear approaches to analyze data of a categorical or discrete nature might bring about false results, because the data are forced to fit inappropriate models. The present paper describes a non linear, multivariate approach which might be considered a principal component analysis of data collected in a survey. The computer algorithm HOMALS is used to detect which dimensions are to be found in the data. Searched for are factors associated with the variable preference for preservation of the teeth. The analysis enabled the description of one subgroup: those who do not care about retaining their teeth are characterized, in a descending order of importance, by irregular dental attendance, a (self‐assessed) very poor oral health condition, being equally afraid of extraction and cavity preparation, dissatisfaction with dental treatment in the past, and lowest level of education. It appeared that the categories of the variables are not linear. It is concluded that the combination of characteristics, describing a subgroup in the sample, does not imply the description of another subgroup with opposite characteristics.
Url:
DOI: 10.1111/j.1600-0528.1984.tb01474.x
Affiliations:
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B." last="Schuurs">Albert H. B. Schuurs</name><affiliation wicri:level="4"><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Department of Cariology and Endodontology, Faculty of Dentistry, University of Amsterdam, Amsterdam</wicri:regionArea><placeName><settlement type="city">Amsterdam</settlement><region nuts="2" type="province">Hollande-Septentrionale</region><settlement type="city">Amsterdam</settlement></placeName><orgName type="university">Université d'Amsterdam</orgName></affiliation><affiliation wicri:level="3"><country xml:lang="fr" wicri:curation="lc">Pays-Bas</country><wicri:regionArea>Correspondence address: A. H. B.Schuurs, Tandheelkunde, Louwesweg 1, 1066 EA, Amsterdam</wicri:regionArea><placeName><settlement type="city">Amsterdam</settlement><region nuts="2" type="province">Hollande-Septentrionale</region></placeName></affiliation></author><author><name sortKey="Duivenvoorden, Hugo J" sort="Duivenvoorden, Hugo J" uniqKey="Duivenvoorden H" first="Hugo J." last="Duivenvoorden">Hugo J. Duivenvoorden</name><affiliation wicri:level="3"><country xml:lang="fr" wicri:curation="lc">Pays-Bas</country><wicri:regionArea>Department of Medical Psychology and Psychotherapy, Faculty of Medicine, Rotterdam</wicri:regionArea><placeName><settlement type="city">Rotterdam</settlement><region nuts="2" type="province">Hollande-Méridionale</region></placeName></affiliation></author><author><name sortKey="Coolen, Henny C C H" sort="Coolen, Henny C C H" uniqKey="Coolen H" first="Henny C. C. H." last="Coolen">Henny C. C. H. 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Van Rijckevorsel</name><affiliation wicri:level="3"><country xml:lang="fr" wicri:curation="lc">Pays-Bas</country><wicri:regionArea>Section Research Consultancy, Faculty of Social Sciences, Erasmus University, Rotterdam</wicri:regionArea><placeName><settlement type="city">Rotterdam</settlement><region nuts="2" type="province">Hollande-Méridionale</region></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">Community Dentistry and Oral Epidemiology</title><title level="j" type="alt">COMMUNITY DENTISTRY ORAL EPIDEMIOLOGY</title><idno type="ISSN">0301-5661</idno><idno type="eISSN">1600-0528</idno><imprint><biblScope unit="vol">12</biblScope><biblScope unit="issue">6</biblScope><biblScope unit="page" from="371">371</biblScope><biblScope unit="page" to="375">375</biblScope><biblScope unit="page-count">5</biblScope><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="1984-12">1984-12</date></imprint><idno type="ISSN">0301-5661</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0301-5661</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract">Abstract Application of classical, linear approaches to analyze data of a categorical or discrete nature might bring about false results, because the data are forced to fit inappropriate models. The present paper describes a non linear, multivariate approach which might be considered a principal component analysis of data collected in a survey. The computer algorithm HOMALS is used to detect which dimensions are to be found in the data. Searched for are factors associated with the variable preference for preservation of the teeth. The analysis enabled the description of one subgroup: those who do not care about retaining their teeth are characterized, in a descending order of importance, by irregular dental attendance, a (self‐assessed) very poor oral health condition, being equally afraid of extraction and cavity preparation, dissatisfaction with dental treatment in the past, and lowest level of education. It appeared that the categories of the variables are not linear. 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