Diet patterns associated with cognitive decline: methods to harmonize data from European and US cohort studies

Amaia Ayala-Garcia; Natalia Soldevila-Domenech; So-Yun Yi; Rafael de la Torre; Lyn M. Steffen; IAFNS Retrospective Harmonization Expert Working Group; Courtney K. Blackwell; Christina Khoo; Maxwell Armand Mansolf; Emilio Ros; Linda Snetselaar; Tina Wey

doi:10.3389/fnut.2024.1379531

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Diet patterns associated with cognitive decline: methods to harmonize data from European and US cohort studies

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Diet patterns associated with cognitive decline: methods to harmonize data from European and US cohort studies

Amaia Ayala-Garcia, Natalia Soldevila-Domenech, So-Yun Yi, Rafael de la Torre, Lyn M. Steffen, IAFNS Retrospective Harmonization Expert Working Group, Courtney K. Blackwell, Christina Khoo, Maxwell Armand Mansolf, Emilio Ros, …

Frontiers in nutrition (Lausanne), Vol.11, 1379531

03/01/2024

DOI: 10.3389/fnut.2024.1379531

PMCID: PMC10992460

PMID: 38577153

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Abstract

The impact of dietary intake on cognitive outcomes and dementia prevention is a topic of increasing interest. Meta-analyses of observational studies, mostly conducted within US and European populations, have reported benefits of healthy diet patterns on cognitive performance, but results from individual studies have been inconsistent. These inconsistencies are likely due to the diverse methodology used in studies, including different diet and cognitive function assessment instruments, follow-up periods, and analytical methods, which make drawing conclusions relevant to dietary guidance challenging. The objective of this project is to describe a protocol to conduct a retrospective harmonization study on dietary intake and cognitive health using data from European and US studies. The recommendations resulting from the project can be used to support evidence-based synthesis for future iterations of the Dietary Guidelines for Americans or other population-based dietary guidance. Additionally, this study will serve as a harmonization guide for future research on the relationship between diet patterns and cognition. The approach outlined ultimately aims to optimize resources and expedite research efforts for dementia prevention.

cognition

diet

harmonization

longitudinal data

meta-analysis

protocol

Details

Title: Subtitle: Diet patterns associated with cognitive decline: methods to harmonize data from European and US cohort studies
Creators: Amaia Ayala-Garcia - Hospital del Mar Research Institute
Natalia Soldevila-Domenech - Hospital del Mar Research Institute
So-Yun Yi - University of Minnesota
Rafael de la Torre - Pompeu Fabra University
Lyn M. Steffen - University of Minnesota
IAFNS Retrospective Harmonization Expert Working Group
Courtney K. Blackwell
Christina Khoo
Maxwell Armand Mansolf
Emilio Ros
Linda Snetselaar
Tina Wey
Resource Type: Journal article
Publication Details: Frontiers in nutrition (Lausanne), Vol.11, 1379531
Publisher: Frontiers Media S.A
DOI: 10.3389/fnut.2024.1379531
PMID: 38577153
PMCID: PMC10992460
eISSN: 2296-861X
Language: English
Date published: 03/01/2024
Academic Unit: Epidemiology; Fraternal Order of Eagles Diabetes Research Center; Internal Medicine
Record Identifier: 9984577154602771

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