Determinants of verbal fluency trajectories among older adults from the English Longitudinal Study of Aging

Viktor Gkotzamanis, Giorgos Koliopanos, Albert Sanchez-Niubo, Beatriz Olaya, F. F. Caballero, José Luis Ayuso-Mateos, Somnath Chatterji, Josep Maria Haro, Demosthenes B. Panagiotakos

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Background: Prevalence of dementia and cognitive impairment increase creating the need for identifying modifiable risk factors to reduce their burden. The aim of this study was to identify latent groups following similar trajectories in cognitive performance assessed with the verbal fluency test, as well as their determinants. Methods: Data from English Longitudinal Study of Aging (ELSA) were studied. Latent groups of similar course through a 6-year period in the outcome variable (verbal fluency) were investigated, along with their determinants, using Group Based Trajectory Modeling (GBTM). Results: Four latent groups of verbal fluency trajectories were revealed. Education was the strongest predictor for a favorable trajectory, while cardiovascular disease and depression symptoms were associated with lower within each trajectory. Conclusion: Cardiovascular diseases and depressive symptoms are associated with a worse course of verbal fluency through aging, implying that they might serve as targets for interventions to prevent cognitive decline in the aging population. Contrarily, higher level of education is associated with a more favorable course through aging.

Original languageEnglish
Article number1913739
Pages (from-to)110-119
Number of pages10
JournalApplied Neuropsychology:Adult
Volume30
Issue number1
DOIs
Publication statusPublished - 2023
Externally publishedYes

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