Relationship between tooth loss and mortality in 80-year-old Japanese community-dwelling subjects
Identifieur interne : 002861 ( Pmc/Curation ); précédent : 002860; suivant : 002862Relationship between tooth loss and mortality in 80-year-old Japanese community-dwelling subjects
Auteurs : Toshihiro Ansai [Japon] ; Yutaka Takata [Japon] ; Inho Soh [Japon] ; Shuji Awano [Japon] ; Akihiro Yoshida [Japon] ; Kazuo Sonoki [Japon] ; Tomoko Hamasaki [Japon] ; Takehiro Torisu [Japon] ; Akira Sogame [Japon] ; Naoko Shimada [Japon] ; Tadamichi Takehara [Japon]Source :
- BMC Public Health [ 1471-2458 ] ; 2010.
Abstract
Findings from several studies suggest associations between tooth loss and health outcomes, including malnutrition, poor quality of life, and mortality, in older individuals. However, limited information is available regarding whether those associations remain true in very elderly subjects after adequately considering confounding factors such as sex and smoking status. Herein, we determined whether the number of teeth in 80-year-old subjects is an independent predictor of mortality.
We initially contacted 1282 80-year-old community-dwelling individuals born in 1917, of whom 697 responded and participated in a baseline study, with follow-up examinations conducted 4 and 5.5 years later. Data from interviews and medical and oral examinations were obtained, and oral health was determined according to the number of teeth remaining in the oral cavity.
A total of 108 and 157 subjects died in 4 years and 5.5 years, respectively, after the baseline study. Tooth loss was significantly associated with mortality at age 85.5, but not at age 84, after adjusting for potential confounders. When the analysis was stratified by sex, we found a stronger association in females in follow-up examinations conducted at both 4- and 5.5 years. On the other hand, the effect of tooth loss on mortality was not significantly different between smokers and non-smokers.
Tooth loss is a significant predictor of mortality independent of health factors, socio-economic status, and lifestyle in octogenarians, with a stronger association in females.
Url:
DOI: 10.1186/1471-2458-10-386
PubMed: 20594306
PubMed Central: 2903522
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uniqKey="Takata Y" first="Yutaka" last="Takata">Yutaka Takata</name><affiliation wicri:level="1"><nlm:aff id="I2">Division of General Internal Medicine, Department of Health Promotion, Kyushu Dental College, Kitakyushu, Japan</nlm:aff><country xml:lang="fr">Japon</country><wicri:regionArea>Division of General Internal Medicine, Department of Health Promotion, Kyushu Dental College, Kitakyushu</wicri:regionArea></affiliation></author><author><name sortKey="Soh, Inho" sort="Soh, Inho" uniqKey="Soh I" first="Inho" last="Soh">Inho Soh</name><affiliation wicri:level="1"><nlm:aff id="I1">Division of Community Oral Health Science, Department of Health Promotion, Kyushu Dental College, Kitakyushu, Japan</nlm:aff><country xml:lang="fr">Japon</country><wicri:regionArea>Division of Community Oral Health Science, Department of Health Promotion, Kyushu Dental College, Kitakyushu</wicri:regionArea></affiliation></author><author><name sortKey="Awano, Shuji" sort="Awano, Shuji" uniqKey="Awano S" first="Shuji" last="Awano">Shuji Awano</name><affiliation wicri:level="1"><nlm:aff id="I1">Division of Community Oral Health Science, Department of Health Promotion, Kyushu Dental College, Kitakyushu, Japan</nlm:aff><country xml:lang="fr">Japon</country><wicri:regionArea>Division of Community Oral Health Science, Department of Health Promotion, Kyushu Dental College, Kitakyushu</wicri:regionArea></affiliation></author><author><name sortKey="Yoshida, Akihiro" sort="Yoshida, Akihiro" uniqKey="Yoshida A" first="Akihiro" last="Yoshida">Akihiro Yoshida</name><affiliation wicri:level="1"><nlm:aff id="I1">Division of Community Oral Health Science, Department of Health Promotion, Kyushu Dental College, Kitakyushu, Japan</nlm:aff><country xml:lang="fr">Japon</country><wicri:regionArea>Division of Community Oral Health Science, Department of Health Promotion, Kyushu Dental College, Kitakyushu</wicri:regionArea></affiliation></author><author><name sortKey="Sonoki, Kazuo" sort="Sonoki, Kazuo" uniqKey="Sonoki K" first="Kazuo" last="Sonoki">Kazuo Sonoki</name><affiliation wicri:level="1"><nlm:aff id="I2">Division of General Internal Medicine, Department of Health Promotion, Kyushu Dental College, Kitakyushu, Japan</nlm:aff><country xml:lang="fr">Japon</country><wicri:regionArea>Division of General Internal Medicine, Department of Health Promotion, Kyushu Dental College, Kitakyushu</wicri:regionArea></affiliation></author><author><name sortKey="Hamasaki, Tomoko" sort="Hamasaki, Tomoko" uniqKey="Hamasaki T" first="Tomoko" last="Hamasaki">Tomoko Hamasaki</name><affiliation wicri:level="1"><nlm:aff id="I3">Division of Nutrition, Department of Home Economics, Kyushu Women's University, Kitakyushu, Japan</nlm:aff><country xml:lang="fr">Japon</country><wicri:regionArea>Division of Nutrition, Department of Home Economics, Kyushu Women's University, Kitakyushu</wicri:regionArea></affiliation></author><author><name sortKey="Torisu, Takehiro" sort="Torisu, Takehiro" uniqKey="Torisu T" first="Takehiro" last="Torisu">Takehiro Torisu</name><affiliation wicri:level="1"><nlm:aff id="I2">Division of General Internal Medicine, Department of Health Promotion, Kyushu Dental College, Kitakyushu, Japan</nlm:aff><country xml:lang="fr">Japon</country><wicri:regionArea>Division of General Internal Medicine, Department of Health Promotion, Kyushu Dental College, Kitakyushu</wicri:regionArea></affiliation></author><author><name sortKey="Sogame, Akira" sort="Sogame, Akira" uniqKey="Sogame A" first="Akira" last="Sogame">Akira Sogame</name><affiliation wicri:level="1"><nlm:aff id="I4">Kurate Office for Health, Human Services and Environmental Issues, Nogata, Japan</nlm:aff><country xml:lang="fr">Japon</country><wicri:regionArea>Kurate Office for Health, Human Services and Environmental Issues, Nogata</wicri:regionArea></affiliation></author><author><name sortKey="Shimada, Naoko" sort="Shimada, Naoko" uniqKey="Shimada N" first="Naoko" last="Shimada">Naoko Shimada</name><affiliation wicri:level="1"><nlm:aff id="I5">Kitakyushu Public Health and Welfare Bureau, Kyushu Dental College, Kitakyushu, Japan</nlm:aff><country xml:lang="fr">Japon</country><wicri:regionArea>Kitakyushu Public Health and Welfare Bureau, Kyushu Dental College, Kitakyushu</wicri:regionArea></affiliation></author><author><name sortKey="Takehara, Tadamichi" sort="Takehara, Tadamichi" uniqKey="Takehara T" first="Tadamichi" last="Takehara">Tadamichi Takehara</name><affiliation wicri:level="1"><nlm:aff id="I1">Division of Community Oral Health Science, Department of Health Promotion, Kyushu Dental College, Kitakyushu, Japan</nlm:aff><country xml:lang="fr">Japon</country><wicri:regionArea>Division of Community Oral Health Science, Department of Health Promotion, Kyushu Dental College, Kitakyushu</wicri:regionArea></affiliation></author></analytic><series><title level="j">BMC Public Health</title><idno type="eISSN">1471-2458</idno><imprint><date when="2010">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>Background</title><p>Findings from several studies suggest associations between tooth loss and health outcomes, including malnutrition, poor quality of life, and mortality, in older individuals. However, limited information is available regarding whether those associations remain true in very elderly subjects after adequately considering confounding factors such as sex and smoking status. Herein, we determined whether the number of teeth in 80-year-old subjects is an independent predictor of mortality.</p></sec><sec><title>Methods</title><p>We initially contacted 1282 80-year-old community-dwelling individuals born in 1917, of whom 697 responded and participated in a baseline study, with follow-up examinations conducted 4 and 5.5 years later. Data from interviews and medical and oral examinations were obtained, and oral health was determined according to the number of teeth remaining in the oral cavity.</p></sec><sec><title>Results</title><p>A total of 108 and 157 subjects died in 4 years and 5.5 years, respectively, after the baseline study. Tooth loss was significantly associated with mortality at age 85.5, but not at age 84, after adjusting for potential confounders. When the analysis was stratified by sex, we found a stronger association in females in follow-up examinations conducted at both 4- and 5.5 years. On the other hand, the effect of tooth loss on mortality was not significantly different between smokers and non-smokers.</p></sec><sec><title>Conclusion</title><p>Tooth loss is a significant predictor of mortality independent of health factors, socio-economic status, and lifestyle in octogenarians, with a stronger association in females.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Abnet, Cc" uniqKey="Abnet C">CC Abnet</name></author><author><name sortKey="Qiao, Yl" uniqKey="Qiao Y">YL Qiao</name></author><author><name sortKey="Dawsey, Sm" uniqKey="Dawsey S">SM Dawsey</name></author><author><name sortKey="Dong, Zw" uniqKey="Dong Z">ZW Dong</name></author><author><name sortKey="Taylor, Pr" uniqKey="Taylor P">PR Taylor</name></author><author><name sortKey="Mark, Sd" uniqKey="Mark S">SD Mark</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Fukai, K" uniqKey="Fukai K">K 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<front><journal-meta><journal-id journal-id-type="nlm-ta">BMC Public Health</journal-id><journal-title-group><journal-title>BMC Public Health</journal-title></journal-title-group><issn pub-type="epub">1471-2458</issn><publisher><publisher-name>BioMed Central</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">20594306</article-id><article-id pub-id-type="pmc">2903522</article-id><article-id pub-id-type="publisher-id">1471-2458-10-386</article-id><article-id pub-id-type="doi">10.1186/1471-2458-10-386</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research article</subject></subj-group></article-categories><title-group><article-title>Relationship between tooth loss and mortality in 80-year-old Japanese community-dwelling subjects</article-title></title-group><contrib-group><contrib contrib-type="author" corresp="yes" id="A1"><name><surname>Ansai</surname><given-names>Toshihiro</given-names></name><xref ref-type="aff" rid="I1">1</xref><email>ansai@kyu-dent.ac.jp</email></contrib><contrib contrib-type="author" id="A2"><name><surname>Takata</surname><given-names>Yutaka</given-names></name><xref ref-type="aff" rid="I2">2</xref><email>yutaka@kyu-dent.ac.jp</email></contrib><contrib contrib-type="author" id="A3"><name><surname>Soh</surname><given-names>Inho</given-names></name><xref ref-type="aff" rid="I1">1</xref><email>i-soh@kyu-dent.ac.jp</email></contrib><contrib contrib-type="author" id="A4"><name><surname>Awano</surname><given-names>Shuji</given-names></name><xref ref-type="aff" rid="I1">1</xref><email>awa-shu@kyu-dent.ac.jp</email></contrib><contrib contrib-type="author" id="A5"><name><surname>Yoshida</surname><given-names>Akihiro</given-names></name><xref ref-type="aff" rid="I1">1</xref><email>akihiro@kyu-dent.ac.jp</email></contrib><contrib contrib-type="author" id="A6"><name><surname>Sonoki</surname><given-names>Kazuo</given-names></name><xref ref-type="aff" rid="I2">2</xref><email>sonoki@kyu-dent.ac.jp</email></contrib><contrib contrib-type="author" id="A7"><name><surname>Hamasaki</surname><given-names>Tomoko</given-names></name><xref ref-type="aff" rid="I3">3</xref><email>tomotalk@kwuc.ac.jp</email></contrib><contrib contrib-type="author" id="A8"><name><surname>Torisu</surname><given-names>Takehiro</given-names></name><xref ref-type="aff" rid="I2">2</xref><email>r07torisu@fa.kyu-dent.ac.jp</email></contrib><contrib contrib-type="author" id="A9"><name><surname>Sogame</surname><given-names>Akira</given-names></name><xref ref-type="aff" rid="I4">4</xref><email>sogame-a1171@pref.fukuoka.lg.jp</email></contrib><contrib contrib-type="author" id="A10"><name><surname>Shimada</surname><given-names>Naoko</given-names></name><xref ref-type="aff" rid="I5">5</xref><email>naoko_shimada01@city.kitakyushu.lg.jp</email></contrib><contrib contrib-type="author" id="A11"><name><surname>Takehara</surname><given-names>Tadamichi</given-names></name><xref ref-type="aff" rid="I1">1</xref><email>takehara@kyu-dent.ac.jp</email></contrib></contrib-group><aff id="I1"><label>1</label>Division of Community Oral Health Science, Department of Health Promotion, Kyushu Dental College, Kitakyushu, Japan</aff><aff id="I2"><label>2</label>Division of General Internal Medicine, Department of Health Promotion, Kyushu Dental College, Kitakyushu, Japan</aff><aff id="I3"><label>3</label>Division of Nutrition, Department of Home Economics, Kyushu Women's University, Kitakyushu, Japan</aff><aff id="I4"><label>4</label>Kurate Office for Health, Human Services and Environmental Issues, Nogata, Japan</aff><aff id="I5"><label>5</label>Kitakyushu Public Health and Welfare Bureau, Kyushu Dental College, Kitakyushu, Japan</aff><pub-date pub-type="collection"><year>2010</year></pub-date><pub-date pub-type="epub"><day>1</day><month>7</month><year>2010</year></pub-date><volume>10</volume><fpage>386</fpage><lpage>386</lpage><history><date date-type="received"><day>18</day><month>8</month><year>2009</year></date><date date-type="accepted"><day>1</day><month>7</month><year>2010</year></date></history><permissions><copyright-statement>Copyright ©2010 Ansai et al; licensee BioMed Central Ltd.</copyright-statement><copyright-year>2010</copyright-year><copyright-holder>Ansai et al; licensee BioMed Central Ltd.</copyright-holder><license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/2.0"><license-p>This is an Open Access article distributed under the terms of the Creative Commons Attribution License (<ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by/2.0">http://creativecommons.org/licenses/by/2.0</ext-link>), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p></license></permissions><self-uri xlink:href="http://www.biomedcentral.com/1471-2458/10/386"></self-uri><abstract><sec><title>Background</title><p>Findings from several studies suggest associations between tooth loss and health outcomes, including malnutrition, poor quality of life, and mortality, in older individuals. However, limited information is available regarding whether those associations remain true in very elderly subjects after adequately considering confounding factors such as sex and smoking status. Herein, we determined whether the number of teeth in 80-year-old subjects is an independent predictor of mortality.</p></sec><sec><title>Methods</title><p>We initially contacted 1282 80-year-old community-dwelling individuals born in 1917, of whom 697 responded and participated in a baseline study, with follow-up examinations conducted 4 and 5.5 years later. Data from interviews and medical and oral examinations were obtained, and oral health was determined according to the number of teeth remaining in the oral cavity.</p></sec><sec><title>Results</title><p>A total of 108 and 157 subjects died in 4 years and 5.5 years, respectively, after the baseline study. Tooth loss was significantly associated with mortality at age 85.5, but not at age 84, after adjusting for potential confounders. When the analysis was stratified by sex, we found a stronger association in females in follow-up examinations conducted at both 4- and 5.5 years. On the other hand, the effect of tooth loss on mortality was not significantly different between smokers and non-smokers.</p></sec><sec><title>Conclusion</title><p>Tooth loss is a significant predictor of mortality independent of health factors, socio-economic status, and lifestyle in octogenarians, with a stronger association in females.</p></sec></abstract></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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