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Correlation between dietary patterns and cognitive function in older Chinese adults: A representative cross-sectional
Ruoyu Gou1,2, Jian Qin3, Weiyi Pang1,2
1Department of Environmental Health and Occupational Medicine, School of Public Health, Guilin Medical University, Guilin, Guangxi, China.
Frontiers in Nutrition
|April 21, 2023
Summary
A diet rich in vegetables and mushrooms may protect cognitive function in older adults. Higher intake of these foods is associated with a reduced risk of cognitive decline, suggesting a beneficial dietary pattern for brain health.
Area of Science:
- Gerontology
- Nutritional Science
- Cognitive Neuroscience
Background:
- Cognitive decline is a significant concern in aging populations.
- Dietary patterns play a crucial role in maintaining cognitive health.
- Understanding the impact of specific diets on cognition is essential for public health.
Purpose of the Study:
- To investigate the association between dietary patterns and cognitive function in adults aged 60 and above.
- To identify specific dietary patterns that may influence cognitive performance in older adults.
Main Methods:
- Quantitative food intake assessment using the Food Frequency Questionnaire (FFQ).
- Cognitive function evaluation via the Chinese version of the Simple Mental State Examination Scale (MMSE).
- Factor analysis (FA) to identify dietary patterns, with logistic regression for association analysis.
Main Results:
- Four dietary patterns were identified: vegetable and mushroom, oil and salt, seafood and alcohol, and oil tea.
- The vegetable and mushroom dietary pattern showed a significant protective association with cognitive function (p=0.033, OR=0.578).
- This protective effect was more pronounced in ethnic subgroup analyses, particularly among Yao participants (p=0.012, OR=0.415).
Conclusions:
- Higher adherence to a vegetable and mushroom dietary pattern is dose-dependently correlated with better cognitive function.
- Increasing intake of vegetables and mushrooms may be a viable strategy to prevent and mitigate cognitive decline in older adults.
- Recommendations include promoting higher dietary consumption of vegetables and mushrooms for cognitive health maintenance.
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