Longitudinal Study of Aging 70 Years and Over 1984-1987; 1988; 1990

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Longitudinal Study of Aging 70 Years and Over 1984-1987; 1988; 1990

Investigators: National Center for Health Statistics

Publication Date: March 23, 2016

Longitudinal Study of Aging 70 Years and Over 1984-1987; 1988; 1990

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The Longitudinal Study of Aging (LSOA), conducted by the National Center for Health Statistics (NCHS) in collaboration with the National Institute on Aging (NIA), was designed to provide needed information on those factors implicated in the physical dysfunction and institutionalization of older persons in the United States. The study focuses on measuring changes in living arrangements and functional status experienced by the elderly in order to examine the path from health to functional disability to institutionalization and death. Its objectives include: (1) to study changes in functional status and living arrangements with the hope of recognizing potential points for intervention to prevent institutionalization and provide alternative forms of care to extremely elderly people, and (2) to study length of life and death rates by characteristics of the population that are not reported on death certificates, such as education, whether living alone or with others, frequency of contact with family or friends, and other characteristics. Four waves of data were collected. Baseline data were obtained in 1984 from 16,148 persons aged 55 and over as part of the Supplement on Aging (SOA) to the National Health Interview Survey (NHIS). Follow-up questionnaires were administered in 1986, 1988, and 1990 to 7,527 persons, 70 years of age and older at the time they participated in the SOA.

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