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Relationship between dietary patterns and cognitive function in a community-dwelling population in Japan
Norio Sugawara1, Norio Yasui-Furukori2, Takashi Umeda2
1Hirosaki University School of Medicine, Hirosaki, Japan nsuga3@yahoo.co.jp.
Asia-Pacific Journal of Public Health
|July 17, 2013
Summary
This study explored dietary patterns and cognitive function in older Japanese adults. While one pattern showed a link to cognitive decline, no clear dose-dependent relationship was found.
Area of Science:
- Gerontology
- Nutritional Science
- Cognitive Health
Background:
- Cognitive decline is a growing concern in aging populations.
- Dietary patterns are increasingly recognized as potential modifiable factors influencing cognitive function.
- Understanding these associations in diverse community settings is crucial for public health.
Purpose of the Study:
- To investigate the relationship between distinct dietary patterns and cognitive function.
- To examine cognitive status in a community-dwelling Japanese population aged 60 years and older.
Main Methods:
- Recruited 388 older adults from the Iwaki Health Promotion Project 2011.
- Assessed diet using a validated brief-type diet history questionnaire.
- Identified dietary patterns via principal component analysis and measured cognitive function using the Mini-Mental State Examination.
Main Results:
- Three major dietary patterns were identified: "Healthy," "Noodle," and "Alcohol and accompaniment."
- The middle tertile of the "Alcohol and accompaniment" pattern was associated with an increased risk of poor cognitive function compared to the lowest tertile.
- No dose-dependent association was observed between dietary patterns and cognitive function risk.
Conclusions:
- The study did not confirm a dose-dependent link between the identified dietary patterns and cognitive function risk.
- Further longitudinal research is recommended to elucidate the complex interplay between diet and cognition in older adults.
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