Journal
AMERICAN JOURNAL OF PUBLIC HEALTH
Volume 106, Issue 7, Pages 1287-1293Publisher
AMER PUBLIC HEALTH ASSOC INC
DOI: 10.2105/AJPH.2016.303120
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Funding
- US National Institute on Aging [P30-AG17265]
- Ministry of Health, Labour and Welfare, Japan [H26-Tokubetsu-Shitei-029]
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Objectives. To examine changes over 40 years (1970-2010) in life expectancy, life expectancy with disability, and disability-free life expectancy for American men and women of all ages. Methods. We used mortality rates from US Vital Statistics and data on disability prevalence in the community-dwelling population from the National Health Interview Survey; for the institutional population, we computed disability prevalence from the US Census. We used the Sullivan method to estimate disabled and disability-free life expectancy for 1970, 1980, 1990, 2000, and 2010. Results. Over the 40 years, there was a steady increase in both disability-free life expectancy and disabled life expectancy. At birth, increases in disabled life and non-disabled life were equal for men (4.5 years); for women, at birth the increase in life with disability (3.6 years) exceeded the increase in life free of disability (2.7 years). At age 65 years, the increase in disability-free life was greater than the increase in disabled life. Conclusions. Across the life cycle, there was no compression of morbidity, but at age 65 years some compression occurred.
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