Journal
CADERNOS DE SAUDE PUBLICA
Volume 32, Issue 5, Pages -Publisher
CADERNOS SAUDE PUBLICA
DOI: 10.1590/0102-311X00112715
Keywords
Cognition Disorders; Social Class; Aged
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Funding
- Brazilian National Research Council - CNPq [569834/2008-2]
- Brazilian Graduate Studies Coordinating Board (Capes)
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The aim of this study was to estimate the association between contextual income and cognitive decline in the elderly in Florianopolis, a medium-sized city in southern Brazil. A nested cross-sectional study was performed in a cohort of elderly >= 60 years (n = 1,197), interviewed in the second wave (2013/2014) of the EpiFloripa cohort. Cognitive decline was assessed with the Mini Mental State Examination (MMSE) and contextual income was measured as the mean monthly income of the heads of households. Individual adjustment variables were sex, age, skin color, per capita household income, years of schooling, and time living in the neighborhood. The data were analyzed using multilevel logistic regression. The odds of cognitive decline were twice as high (OR = 1.99; 95% CI: 1.03; 3.87) in elderly living in census tracts with the lowest income quintile compared to those in the highest quintile, independently of individual characteristics. In conclusion, the socioeconomic environment is related to cognitive decline and should be considered in public policies with a focus on health of the elderly.
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