Abstract
Official U.S. statistics reveal a 26 per cent decline in the mortality rate for the extreme aged population (persons 85 years and over) between 1966 and 1977. This reduction was greater than that exhibited by other adult age groups and substantially larger than earlier declines for the extreme aged. This study examines the possible effect of statistical artifacts, such as errors in population estimation, on the changed mortality trend. Data from the Social Security files on Medicare enrollment are utilized to test the accuracy of population estimates for the extreme aged. Mortality rates are decomposed by selected cause of death, sex, and race to determine the influence of demographic, social, and health factors on the shift in the pattern. The results of the analysis indicate that substantial real reduction in mortality has occurred among the elderly population. Reductions among females continue to exceed those among males, but less markedly than in the past. Rates for nonwhites are subject to particularly large margins of error due to incorrect population estimates. A sharp downturn in the age-adjusted rates for the cardiovascular diseases, which are more common among the aged, appears to account for the relatively greater reduction in mortality in this age group.
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Selected References
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- Halliday M. L., Anderson T. W. Adjustment factors in mortality statistics. A word of caution. JAMA. 1977 Nov 7;238(19):2025–2026. [PubMed] [Google Scholar]
- Kleinman J. C., Feldman J. J., Monk M. A. The effects of changes in smoking habits on coronary heart disease mortality. Am J Public Health. 1979 Aug;69(8):795–802. doi: 10.2105/ajph.69.8.795. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Rosenwaike I. A new evaluation of United States census data on the extreme aged. Demography. 1979 May;16(2):279–288. [PubMed] [Google Scholar]
- Soltero I., Liu K., Cooper R., Stamler J., Garside D. Trends in mortality from cerebrovascular diseases in the United States, 1960 to 1975. Stroke. 1978 Nov-Dec;9(6):549–558. doi: 10.1161/01.str.9.6.549. [DOI] [PubMed] [Google Scholar]
- Stamler J. George Lyman Duff Memorial Lecture. Lifestyles, major risk factors, proof and public policy. Circulation. 1978 Jul;58(1):3–19. doi: 10.1161/01.cir.58.1.3. [DOI] [PubMed] [Google Scholar]