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Epidemiology of Sarcopenia among the Elderly in New Mexico

Epidemiology of Sarcopenia among the Elderly in New Mexico Abstract Muscle mass decreases with age, leading to “sarcopenia, ” or low relative muscle mass, in elderly people. Sarcopenia is believed to be associated with metabolic, physiologic, and functional impairments and disability. Methods of estimating the prevalence of sarcopenia and its associated risks in elderly populations are lacking. Data from a population-based survey of 883 elderly Hispanic and non-Hispanic white men and women living in New Mexico (the New Mexico Elder Health Survey, 1993–1995) were analyzed to develop a method for estimating the prevalence of sarcopenia. An anthropometric equation for predicting appendicular skeletal muscle mass was developed from a random subsample(n = 199) of participants and was extended to the total sample. Sarcopenia was defined as appendicular skeletal muscle mass (kg)/height2 (m2) being less than two standard deviations below the mean of a young reference group. Prevalences increased from 13–24% in persons under 70 years of age to >50% in persons over 80 years of age, and were slightly greater in Hispanics than in non-Hispanic whites. Sarcopenia was significantly associated with self-reported physical disability in both men and women, independent of ethnicity, age, morbidity, obesity, income, and health behaviors. This study provides some of the first estimates of the extent of the public health problem posed by sarcopenia. Am J Epidemiol 1998; 147: 755–63. aged, aging, body composition, body mass index, frail elderly, muscles © 1998 by The Johns Hopkins University School of Hygiene and Public Health http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Journal of Epidemiology Oxford University Press

Epidemiology of Sarcopenia among the Elderly in New Mexico

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References (28)

Publisher
Oxford University Press
Copyright
© 1998 by The Johns Hopkins University School of Hygiene and Public Health
ISSN
0002-9262
eISSN
1476-6256
DOI
10.1093/oxfordjournals.aje.a009520
Publisher site
See Article on Publisher Site

Abstract

Abstract Muscle mass decreases with age, leading to “sarcopenia, ” or low relative muscle mass, in elderly people. Sarcopenia is believed to be associated with metabolic, physiologic, and functional impairments and disability. Methods of estimating the prevalence of sarcopenia and its associated risks in elderly populations are lacking. Data from a population-based survey of 883 elderly Hispanic and non-Hispanic white men and women living in New Mexico (the New Mexico Elder Health Survey, 1993–1995) were analyzed to develop a method for estimating the prevalence of sarcopenia. An anthropometric equation for predicting appendicular skeletal muscle mass was developed from a random subsample(n = 199) of participants and was extended to the total sample. Sarcopenia was defined as appendicular skeletal muscle mass (kg)/height2 (m2) being less than two standard deviations below the mean of a young reference group. Prevalences increased from 13–24% in persons under 70 years of age to >50% in persons over 80 years of age, and were slightly greater in Hispanics than in non-Hispanic whites. Sarcopenia was significantly associated with self-reported physical disability in both men and women, independent of ethnicity, age, morbidity, obesity, income, and health behaviors. This study provides some of the first estimates of the extent of the public health problem posed by sarcopenia. Am J Epidemiol 1998; 147: 755–63. aged, aging, body composition, body mass index, frail elderly, muscles © 1998 by The Johns Hopkins University School of Hygiene and Public Health

Journal

American Journal of Epidemiology – Oxford University Press

Published: Apr 15, 1998

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