TAILIEUCHUNG - TRENDS IN THE HEALTH OF THE ELDERLY

Interest in trends in the health of the elderly has become widespread in recent years. Until about two decades ago, trends in mortality were assumed to provide a good indicator of the health of the elderly, and because mortality was decreasing fairly steadily, it was assumed that health was improving. Subsequently, both researchers and policy makers have come to understand that health is a multidimensional concept and that trends in mortality do not necessarily represent trends in all other dimensions of health; and, in fact, change in all dimensions does not have to be similar | Annu. Rev. Public Health 2004. 25 79-98 doi Copyright 2004 by Annual Reviews. All rights reserved Trends in the Health of the Elderly Annu. Rev. Public. Health. 79-98. Downloaded from by University of Southern California on 02 02 07. For personal use only. Eileen M. Crimmins Andrus Gerontology Center University of Southern California Los Angeles California 90089-0191 email crimmin@ Key Words disability morbidity mortality Abstract Health among the older population as measured by most dimensions has improved during the last two decades. Mortality has continued to decline and disability and functioning loss are less common now than in the past. However the prevalence of most diseases has increased in the older population as people survive longer with disease and the reduction in incidence does not counter the effect of increased survival. On the other hand having a disease appears to be less disabling than in the past. introduction Interest in trends in the health of the elderly has become widespread in recent years. Until about two decades ago trends in mortality were assumed to provide a good indicator of the health of the elderly and because mortality was decreasing fairly steadily it was assumed that health was improving. Subsequently both researchers and policy makers have come to understand that health is a multidimensional concept and that trends in mortality do not necessarily represent trends in all other dimensions of health and in fact change in all dimensions does not have to be similar 11 78 . This recognition of the multidimensionality of health and the potential for variability in trends in different aspects of health have led to questions about whether increases in life expectancy have been accompanied by increases in healthy life or whether they have been concentrated in years of unhealthy life 36 . Significant research has focused on this topic in recent years 64

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