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Nutrients 2015, 7(6), 4154-4169; doi:10.3390/nu7064154

Dietary Patterns Derived by Cluster Analysis are Associated with Cognitive Function among Korean Older Adults

1
Department of clinical nutrition, Graduate School of Health Sciences, Dongduk Women's University, 23-1 Wolgok-dong, Sungbuk-gu, Seoul 136-714, Korea
2
Department of Preventive Medicine, College of Medicine, Hanyang University, 17 Haengdang Dong, Sungdong Gu, Seoul 133-791, Korea
3
Department of Psychiatry, College of Medicine, Hanyang University, 17 Haengdang Dong, Sungdong Gu, Seoul 133-791, Korea
4
Department of Foods and Nutrition, College of Natural Sciences, Dongduk Women’s University, 23-1 Wolgok-dong, Sungbuk-gu, Seoul 136-714, Korea
*
Author to whom correspondence should be addressed.
Received: 10 February 2015 / Accepted: 12 May 2015 / Published: 29 May 2015
(This article belongs to the Special Issue Dietary Pattern and Health)
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Abstract

The objective of this study was to investigate major dietary patterns among older Korean adults through cluster analysis and to determine an association between dietary patterns and cognitive function. This is a cross-sectional study. The data from the Korean Multi-Rural Communities Cohort Study was used. Participants included 765 participants aged 60 years and over. A quantitative food frequency questionnaire with 106 items was used to investigate dietary intake. The Korean version of the MMSE-KC (Mini-Mental Status Examination–Korean version) was used to assess cognitive function. Two major dietary patterns were identified using K-means cluster analysis. The “MFDF” dietary pattern indicated high consumption of Multigrain rice, Fish, Dairy products, Fruits and fruit juices, while the “WNC” dietary pattern referred to higher intakes of White rice, Noodles, and Coffee. Means of the total MMSE-KC and orientation score of the participants in the MFDF dietary pattern were higher than those of the WNC dietary pattern. Compared with the WNC dietary pattern, the MFDF dietary pattern showed a lower risk of cognitive impairment after adjusting for covariates (OR 0.64, 95% CI 0.44–0.94). The MFDF dietary pattern, with high consumption of multigrain rice, fish, dairy products, and fruits may be related to better cognition among Korean older adults. View Full-Text
Keywords: dietary pattern; older adults; cluster analysis; cognitive impairment dietary pattern; older adults; cluster analysis; cognitive impairment
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Kim, J.; Yu, A.; Choi, B.Y.; Nam, J.H.; Kim, M.K.; Oh, D.H.; Yang, Y.J. Dietary Patterns Derived by Cluster Analysis are Associated with Cognitive Function among Korean Older Adults. Nutrients 2015, 7, 4154-4169.

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