title: [Multimorbidity and successful aging: the population-based KORA-Age study].
abstract: BACKGROUND
  The objective of the KORA-Age research consortium is to assess the determinants and consequences of multimorbidity in the elderly and to look into reasons for successful aging in the general public.
  
  
  METHODS
  In the KORA-Age cohort study 9,197 persons were included who where born in the year 1943 or before and participants of previous KORA cohort studies conducted between 1984 and 2001 (KORA: Cooperative Health Research in the Region of Augsburg). The randomized intervention study KORINNA (Coronary infarct follow-up treatment in the elderly) tested a nurse-based case management program with 338 patients with myocardial infarct and included an evaluation in health economics.
  
  
  RESULTS
  A total of 2,734 deaths were registered, 4,565 participants submitted a postal health status questionnaire and 4,127 participants were interviewed by telephone (response 76.2% and 68.9% respectively). A gender and age-stratified random sample of the cohort consisting of 1,079 persons took part in a physical examination (response 53.8%).
  
  
  CONCLUSIONS
  The KORA-Age consortium was able to collect data in a large population-based sample and is contributing to the understanding of multimorbidity and successful aging.
authors.affiliation: Institut für Epidemiologie II, Helmholtz Zentrum München, Deutsches Forschungszentrum für Gesundheit und Umwelt GmbH, Ingolstädter Landstr. 1, 85764, Neuherberg, Deutschland. peters@helmholtz-muenchen.de
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mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D002908:Chronic Disease / Q000453:epidemiology*; D002986:Clinical Trials as Topic; D015897:Comorbidity; D019317:Evidence-Based Medicine; D005858:Germany; D006302:Health Services Research / Q000458:organization & administration*; D006299:Health Services for the Aged; D006801:Humans