A Danish population based twin study on general heath in the elderly

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Abstrakt

Objectives: To study the relative influence of genetic and environmental factors on self-rated health and hospitalization patterns in the elderly. Methods: Asurvey among all 3,099 Danish twins ages 75 years and older identified in the Danish Twin Registry. An interviewwas conducted with 77% of the twins. The number of hospitalizations in the previous 18 years was obtained through register linkage, thereby obtaining health information on 96% of the study population, including all nonresponders. Results: Structural equation modeling suggested that approximately a quarter of the variation in the liability to self-reported health and the number of hospitalizations could be attributed to genetic factors. The remaining variationwas most likely due to nonfamilial environment. Analyses of the hospitalization patterns of proxy responders and nonresponders suggest that the estimates of the genetic influence on health outcomes in the study are conservative. Discussion: The present study indicates that variation in general health among the elderly is partly explained by genetic factors.
OriginalsprogEngelsk
TidsskriftJournal of Aging and Health
Vol/bind11
Udgave nummer1
Sider (fra-til)49-64
ISSN0898-2643
DOI
StatusUdgivet - 1999

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