Few population-based studies have examined long term cognitive trajectory, and these studies were conducted in high income countries. We investigated the association of age, gender and education with 10-year cognitive trajectory in a welldefined population of elderly using data from the Bambuí Cohort Study of Aging, in Brazil. Cognition was measured using the Mini- Mental State Examination (MMSE). Cohort members underwent annual follow-ups. This analysis was based on 12,206 MMSE measurements from 1,461 (91%) baseline participants. We used mixed effects models to study MMSE as outcome. The key findings from this analysis are that women and people with a higher schooling level at baseline had high scores of MMSE, while older participants started off lower. Regarding cognitive decline, women, older people and those with a higher schooling level declined faster.
CITATION STYLE
Castro-Costa, E., Dewey, M. E., Uchôa, E., Firmo, J. O. A., Lima-Costa, M. F., & Stewart, R. (2011). Trajetória no longo prazo do declínio cognitivo entre idosos brasileiros: Estudo de coorte de idosos de bambuí. Cadernos de Saude Publica, 27(SUPPL. 3). https://doi.org/10.1590/S0102-311X2011001500004
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