Association of Adherence to a Healthy Diet with Cognitive Decline in European and American Older Adults: A Meta-Analysis within the CHANCES Consortium

A.M. Berendsen, O. van de Rest, N. Jankovic, E. Kampman, J.C. Kiefte-de Jong, Oscar H. Franco, E.J.M. Feskens, C.P.G.M. de Groot

Research output: Contribution to journalArticleAcademicpeer-review

6 Citations (Scopus)

Abstract

Aim: To examine the association between a healthy diet, assessed by the Healthy Diet Indicator (HDI), and cognitive decline in older adults. Methods: Data from 21,837 participants aged ≥55 years from 3 cohorts (Survey in Europe on Nutrition and the Elderly, a Concerted Action [SENECA], Rotterdam Study [RS], Nurses' Health Study [NHS]) were analyzed. HDI scores were based on intakes of saturated fatty acids, polyunsaturated fatty acids, mono- and disaccharides, protein, cholesterol, fruits and vegetables, and fiber. The Telephone Interview for Cognitive Status in NHS and Mini-Mental State Examination in RS and SENECA were used to assess cognitive function from multiple repeated measures. Using multivariable-adjusted, mixed linear regression, mean differences in annual rates of cognitive decline by HDI quintiles were estimated. Results: Multivariable-adjusted differences in rates in the highest versus the lowest HDI quintile were 0.01 (95% CI -0.01, 0.02) in NHS, 0.00 (95% CI -0.02, 0.01) in RS, and 0.00 (95% CI -0.05, 0.05) in SENECA with a pooled estimate of 0.00 (95% CI -0.01, 0.01), I2 = 0%. Conclusions: A higher HDI score was not related to reduced rates of cognitive decline in European and American older adults.
Original languageEnglish
Pages (from-to)215-227
JournalDementia and Geriatric Cognitive Disorders
Volume43
Issue number3-4
DOIs
Publication statusPublished - 2017

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