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Number of teeth – a predictor of mortality in the elderly? A population study in three Nordic localities.

Artikel i vetenskaplig tidskrift
Författare Tor Österberg
Gunnar E Carlsson
Valter Sundh
Bertil Steen
Publicerad i Acta Odontol Scand
Volym 65
Nummer/häfte 6
Sidor 335-340
Publiceringsår 2007
Publicerad vid Institutionen för odontologi
Institutionen för medicin, avdelningen för samhällsmedicin och folkhälsa
Sidor 335-340
Språk en
Ämnesord epidemiology, edentulism, tooth loss, mortality, risk factors
Ämneskategorier Gerodontologi, Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi

Sammanfattning

Objective. Associations between number of teeth and mortality have been found in some studies but the results have not been conclusive. The aim of this study was to determine if dental status at age 75 was an independent predictor of survival in three Nordic populations. Materials and methods. The baseline study was conducted as part of a comparative Nordic investigation of systematic samples of independently living 75-year old men and women born in 1914-16 (n = 1004) living in three Nordic localities: Glostrup, Denmark, Jyväskylä, Finland and Göteborg, Sweden. The study, performed in 1989-91, included a home interview, a health questionnaire, and laboratory examination. For the present study, mortality data of all participants up to age 82 have been collected from official registers in 1999. Results. Lower mortality during 7 years was associated with higher number of remaining teeth at age 75. In Jyväskylä and Göteborg but not in Glostrup, the association between number of teeth and mortality was statistically significant. For all three samples pooled and adjusted for sex and location, this association was significant (odds ratio 1.19; P < 0.001). Conclusions. The number of teeth was a significant predictor of 7-year mortality in 75-year old women independent of a number of factors related to life style, disease and reduced functional capacity.

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