The Association of Health and Income in the Elderly: Experience from a Southern State of Brazil

The Association of Health and Income in the Elderly: Experience from a Southern State of Brazil

Author Fillenbaum, Gerda G. Google Scholar
Blay, Sergio Luis Autor UNIFESP Google Scholar
Pieper, Carl F. Google Scholar
King, Katherine E. Google Scholar
Andreoli, Sergio Baxter Autor UNIFESP Google Scholar
Gastal, Fabio L. Google Scholar
Institution Duke Univ
Vet Adm Med Ctr
Universidade Federal de São Paulo (UNIFESP)
Universidade de São Paulo (USP)
Abstract Objectives: in high income, developed countries, health status tends to improve as income increases, but primarily through the 50th-66th percentile of income. It is unclear whether the same limitation holds in middle income countries, and for both general assessments of health and specific conditions.Methods: Data were obtained from Brazil, a middle income country. In-person interviews with a representative sample of community residents age >= 60 (N=6963), in the southern state of Rio Grande do Sul, obtained information on demographic characteristics including household income and number of persons supported, general health status (self-rated health, functional status), depression, and seven physician-diagnosed, self-reported health conditions. Analyses used household income (adjusted for number supported and economies of scale) together with higher order income terms, and controlled for demographics and comorbidities, to ascertain nonlinearity between income and general and specific health measures.Results: in fully controlled analyses income was associated with general measures of health (linearly with self-rated health, nonlinearly with functional status). for specific health measures there was a consistent linear association with depression, pulmonary disorders, renal disorders, and sensory impairment. for musculoskeletal, cardiovascular (negative association), and gastrointestinal disorders this association no longer held when comorbidities were controlled. There was no association with diabetes.Conclusion: Contrary to findings in high income countries, the association of household-size-adjusted income with health was generally linear, sometimes negative, and sometimes absent when comorbidities were controlled.
Language English
Sponsor Conselho Estadual do Idoso, Secretaria do Trabalho, Cidadania e Assistencia Social
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Date 2013-09-13
Published in Plos One. San Francisco: Public Library Science, v. 8, n. 9, 10 p., 2013.
ISSN 1932-6203 (Sherpa/Romeo, impact factor)
Publisher Public Library Science
Extent 10
Origin http://dx.doi.org/10.1371/journal.pone.0073930
Access rights Open access Open Access
Type Article
Web of Science ID WOS:000324408400044
URI http://repositorio.unifesp.br/handle/11600/36752

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