Diet and Mild Cognitive Impairment in Chinese Elderly
Author Information
Author(s): Wang Ziqi, Dong Birong, Zeng Guo, Li Jun, Wang Wenlei, Wang Binyou, Yuan Qiyuan
Primary Institution: West China Hospital, Sichuan University, China
Hypothesis
Is there an association between mild cognitive impairment and dietary pattern in Chinese elderly?
Conclusion
The study found significant associations between low intake of legumes and animal oil and the prevalence of mild cognitive impairment among Chinese nonagenarians and centenarians.
Supporting Evidence
- 364 elderly participants were included in the study.
- 38.71% of the participants classified as MCI were men.
- Women had a significantly higher prevalence of MCI than men.
- Logistic regression showed significant associations between diet and MCI.
Takeaway
Eating less legumes and animal oil might make older Chinese people more likely to have memory problems.
Methodology
The study used a cross-sectional design with 364 elderly participants who completed dietary questionnaires and cognitive assessments.
Potential Biases
Potential bias due to missing data and not adjusting for all confounding factors.
Limitations
The study may have survival bias and did not account for all potential confounding factors such as APOE genotype and socio-economic status.
Participant Demographics
Participants were mostly elderly individuals aged 90 years or older, with a higher prevalence of mild cognitive impairment in women compared to men.
Statistical Information
P-Value
p<0.05
Confidence Interval
95%CI, 0.72-0.97 for legumes; 95%CI, 0.88-0.98 for animal oil
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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