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Heterogeneity in healthy aging.

David J Lowsky1, S Jay Olshansky2, Jay Bhattacharya3

  • 1RAND Corporation, Santa Monica, California.

The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
|November 20, 2013
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Summary
This summary is machine-generated.

Chronological age is not always a marker for healthy aging in older adults. Many Americans aged 51 and older, even those 85+, demonstrate good health and quality of life.

Keywords:
Compression of morbidityHealthy agingQuality of life.

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Area of Science:

  • Gerontology
  • Public Health
  • Health Economics

Background:

  • Chronological age is often used as a proxy for health status in older populations.
  • However, individual health trajectories can vary significantly, irrespective of age.
  • Understanding healthy aging requires examining multiple health indicators beyond just age.

Purpose of the Study:

  • To investigate the proportion of older Americans who exhibit multiple markers of health.
  • To analyze the variation in health-related quality of life across different age groups.
  • To explore the relationship between age, health status, and medical expenditures.

Main Methods:

  • Utilized data from the 2003 Medical Expenditure Panel Survey (MEPS) and the 2004 Health and Retirement Study (HRS).
  • Examined five key markers of health and health-related quality of life.
  • Analyzed data across eight distinct age groups, starting from age 51.

Main Results:

  • A significant proportion of older Americans, including those aged 85+, reported excellent or very good health status.
  • High percentages of older adults reported no health-based limitations in work or housework across all age groups studied.
  • Health-related quality of life showed wide variation within age groups but limited variation across age groups, indicating different age-health trajectories.

Conclusions:

  • Chronological age is not a definitive measure of healthy aging for a substantial segment of the older population.
  • Older Americans today may be experiencing different age-health trajectories compared to previous generations.
  • Findings suggest the need for policy considerations that account for diverse health experiences in aging populations.