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Association of Adherence to a Healthy Diet with Cognitive Decline in European and American Older Adults: A Meta-Analysis within the CHANCES Consortium
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2017 (English)In: Dementia and Geriatric Cognitive Disorders, ISSN 1420-8008, E-ISSN 1421-9824, Vol. 43, no 3-4, p. 215-227Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2017. Vol. 43, no 3-4, p. 215-227
Keyword [en]
Ageing, Diet, Nutrition, CHANCES, Cognition, Cohort, Epidemiology, Healthy Diet Indicator
National Category
Nutrition and Dietetics Gerontology, specialising in Medical and Health Sciences
Identifiers
URN: urn:nbn:se:umu:diva-134757DOI: 10.1159/000464269ISI: 000399172300009PubMedID: 28324877OAI: oai:DiVA.org:umu-134757DiVA, id: diva2:1094855
Available from: 2017-05-11 Created: 2017-05-11 Last updated: 2018-06-09Bibliographically approved

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Nilsson, Lena Maria

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Arctic Research Centre at Umeå UniversityNutritional Research
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Dementia and Geriatric Cognitive Disorders
Nutrition and DieteticsGerontology, specialising in Medical and Health Sciences

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