Risk and protective factors for cognitive decline in Brazilian lower educated older adults: A 15-year follow-up study using group-based trajectory modelling.
RIBEIRO, Fabiana; GERAETS, Anouk; de Oliveira Duarte, Yeda Aparecidaet al.
2024 • In Archives of Gerontology and Geriatrics, 127, p. 105555
[en] [en] BACKGROUND: Patterns of cognitive change and modifiable factors for cognitive decline versus stable cognitive trajectories have rarely been described in lower-educated older adults.
OBJECTIVES: We aimed to identify long-term trajectories of cognitive functioning and possible factors associated with cognitive decline.
DESIGN AND PARTICIPANTS: We used data from 1,042 adults aged ≥ 60 participating in the Health, Welfare and Aging Study (SABE), São Paulo, Brazil, without cognitive impairment at baseline. Data were collected across four waves (2000-2015). Group-based trajectory modelling was used to identify cognitive trajectories. Associations with socioeconomic variables, childhood background, lifestyle, and cardiovascular risk factors were explored using weighted multinomial logistic regressions.
MEASUREMENTS: The abbreviated Mini-Mental State Examination was used to measure cognition.
RESULTS: Three cognitive trajectories were identified: stable (n= 754, 68.6%), mild-decline (n= 183, 20.8%), and strong-decline (n= 105, 10.7%). At baseline, respondents in the strong-decline group were more likely to be older than those with stable and mild-decline trajectories. Furthermore, participants in both the mild and strong-decline groups were more likely to have no schooling, be divorced/separated, receive less than 4 monthly wages, and be underweight (BMI < 18.5) compared to the stable group. Finally, the mild-decline group was more likely to have lived in rural areas during childhood than participants located in a stable trajectory.
CONCLUSIONS: Our findings suggest that interventions to reduce cognitive decline for low-educated older adults might include strategies addressing inequalities and improving modifiable risk factor burden.
Centre de recherche :
Integrative Research Unit: Social and Individual Development (INSIDE) > PEARL Institute for Research on Socio-Economic Inequality (IRSEI)
RIBEIRO, Fabiana ; University of Luxembourg > Faculty of Humanities, Education and Social Sciences > Department of Social Sciences > Team Anja LEIST
GERAETS, Anouk ; University of Luxembourg > Faculty of Humanities, Education and Social Sciences (FHSE) > Department of Social Sciences (DSOC) > Socio-Economic Inequality
de Oliveira Duarte, Yeda Aparecida; School of Public Health, University of São Paulo - São Paulo, (SP), São Paulo, Brazil
LEIST, Anja ; University of Luxembourg > Faculty of Humanities, Education and Social Sciences (FHSE) > Department of Social Sciences (DSOC) > Socio-Economic Inequality
Co-auteurs externes :
yes
Langue du document :
Anglais
Titre :
Risk and protective factors for cognitive decline in Brazilian lower educated older adults: A 15-year follow-up study using group-based trajectory modelling.
Date de publication/diffusion :
27 juin 2024
Titre du périodique :
Archives of Gerontology and Geriatrics
ISSN :
0167-4943
eISSN :
1872-6976
Maison d'édition :
Elsevier BV, Pays-Bas
Volume/Tome :
127
Pagination :
105555
Peer reviewed :
Peer reviewed vérifié par ORBi
Objectif de développement durable (ODD) :
3. Bonne santé et bien-être 10. Inégalités réduites
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