Age, body mass index, and functional illness -- Ferraro and Booth 54 (6): 339 -- Journals of Gerontology Series B: Psychological Sciences and Social Sciences

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	Articles by Ferraro, K. F.
	Articles by Booth, T. L.

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Age, body mass index, and functional illness

KF Ferraro and TL Booth
Department of Sociology, Purdue University, West Lafayette, Indiana, USA. [email protected]

OBJECTIVES: This study examines the relationship between body mass index (BMI) and selected measures of functional illness and whether the relationship between BMI and these outcomes is stronger in advanced ages. METHODS: Four measures of functional illness were examined in national, longitudinal survey of noninstitutionalized adults. Tobit and Poisson models were used to estimate cross-sectional and longitudinal specifications. RESULTS: BMI was related to functional illness but not in a linear form: Both obese and underweight persons manifested higher levels of functional illness on most outcomes during the baseline survey. Results from the change analyses, however, revealed that obesity was associated with more days hospitalized or ill in bed and an increase in functional limitations. DISCUSSION: Obesity is associated with functional illness, but there is no evidence from these data that this relationship is stronger for older adults. Rather, the effect of obesity on some measures of functional illness is greater in the younger and middle ages.

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Journals of Gerontology Series A: Biological Sciences and Medical Sciences

				L. A. Wray and C. S. Blaum Explaining the Role of Sex on Disability: A Population-Based Study Gerontologist, August 1, 2001; 41(4): 499 - 510. [Abstract] [Full Text] [PDF]

				F. W. Porell and H. B. Miltiades Access to Care and Functional Status Change Among Aged Medicare Beneficiaries J. Gerontol. B. Psychol. Sci. Soc. Sci., March 1, 2001; 56(2): 69S - 83. [Abstract] [Full Text]