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Dietary Patterns and Cognitive Dysfunction in a 12-Year Follow-up Study of 70 Year Old Men
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Clinical Nutrition and Metabolism.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Clinical Nutrition and Metabolism.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Geriatrics.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Orthopaedics.
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2015 (English)In: Journal of Alzheimer's Disease, ISSN 1387-2877, E-ISSN 1875-8908, Vol. 43, no 1, 109-119 p.Article in journal (Refereed) Published
Abstract [en]

Background:

Adherence to dietary patterns has been associated with cognitive decline and dementia, but studies are inconsistent.

Objective:

Dietary patterns, i.e., WHO recommendations (Healthy Diet Indicator), a Mediterranean-like diet (modified Mediterranean Diet Score, mMDS), and a low carbohydrate high protein diet (LCHP), were related to incident cognitive dysfunction, as indicated by Alzheimer's disease (AD), all-type dementia, and all-type cognitive impairment, in a cohort of 1,138 elderly Swedish men.

Methods:

Dietary patterns were derived from 7-day records. Risk relations were calculated by Cox and logistic regression analyses, adjusted for potential confounders. Sensitivity analysis was performed in a subpopulation (n = 564) with energy intake according to the Goldberg cut-off.

Results:

During a mean follow-up of 12 years, 84, 143, and 198 men developed AD, all-type dementia, and all-type cognitive impairment, respectively. There was no association between Healthy Diet Indicator and any of the outcomes. Hazard ratios associated with 1 standard deviation (SD) increment in the LCHP score were 1.16 (95% confidence interval [CI]: 0.95, 1.43) for AD and 1.16 (95% CI: 0.99, 1.37) for all-type dementia. mMDS was not associated with dementia diagnosis. Odds ratio (OR)/1 SD increase for mMDS and all-type cognitive impairment was 0.82 (95% CI: 0.65, 1.05). In the subpopulation OR for mMDS and all-type cognitive impairment was 0.32 (95% CI: 0.11, 0.89).

Conclusion:

We found no strong associations with development of cognitive dysfunction for any of the dietary patterns investigated. However, there was a potentially beneficial association for a Mediterranean-like diet on the development of cognitive dysfunction in the subpopulation.

Place, publisher, year, edition, pages
2015. Vol. 43, no 1, 109-119 p.
National Category
Clinical Medicine
Identifiers
URN: urn:nbn:se:uu:diva-233262DOI: 10.3233/JAD-140867ISI: 000344525900011PubMedID: 25062901OAI: oai:DiVA.org:uu-233262DiVA: diva2:751531
Available from: 2014-10-01 Created: 2014-10-01 Last updated: 2017-12-05Bibliographically approved

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Olsson, ErikaKarlström, BritaKilander, LenaByberg, LiisaCederholm, TommySjögren, Per

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