ArticleSocial psychiatry and psychiatric epidemiology2025
Socioeconomic determinants of cognition among older adults in the Brazilian longitudinal study of aging (ELSI-Brazil): a life-course approach.
Article in Social psychiatry and psychiatric epidemiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Associations between life-course cognitive reserve and cognitive domains over 8 years in a large cohort of middle-aged and older adults: The Brazilian Longitudinal Study of Adult Health (ELSA-Brasil).Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026Article
- Association of diabetes, hypertension and obesity with cognitive impairment in adults.Dementia & neuropsychologia · 2026Article
- The potential for dementia prevention in Brazil: a population attributable fraction calculation for 14 modifiable risk factors.Lancet regional health. Americas · 2025Article
- Neighborhood Social and Physical Environment and Cognitive Function Among Brazilian Adults Aged 50.The journals of gerontology. Series B, Psychological sciences and social sciences · 2025Article
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Authors and funding
8 authors.
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Abstract
backgroundThe prevalence of cognitive impairment no dementia (CIND) and dementia appears to be higher in low- and middle-income countries (LMICs) compared to high-income economies. Yet few nationally representative studies from Latin American LMICs have investigated life-course socioeconomic factors associated with the susceptibility to these two cognitive conditions. Hence, the present study aimed to examine the associations of early- (education and food insecurity), mid- (employment stability), and late-life (personal income and household per capita income) socioeconomic determinants of CIND and dementia among older adults from Brazil, while simultaneously exploring whether sex plays an effect-modifier role on these associations.
methodsThis population-based study comprised a nationally representative sample of older adults (N = 5,249) aged 60 years and over from the Brazilian Longitudinal Study of Aging (ELSI-Brazil). We fitted multinomial regressions and estimated odds ratios with the respective 95% confidence intervals (CIs).
resultsIn multivariate analyses, participants with more years of early-life education (0.89, 95% CI [0.81, 0.97]) and mid-life employment stability (0.97, 95% CI [0.96, 0.99]) and higher late-life household per capita income (0.70, 95% CI [0.51, 0.95) were less likely to have dementia. Regarding CIND, more years of mid-life employment stability (0.97, 95% CI [0.96, 0.98]) was the only determinant to confer protection. Notably, secondary sex-based analyses showed the higher the early-life educational attainment, the lower the odds of dementia in women (0.81, 95% CI [0.75, 0.87]) but not in men (1.00, 95% CI [0.86, 1.16]).
conclusionsThese findings may have implications for population health and health policy by advancing our understanding of socioeconomic determinants of CIND and dementia, especially in Latin America.
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