Association of Dietary Habits with Mild Cognitive Impairment among Elderly in Rural Area of North China

Author(s): Huilian Duan, Changqing Sun, Yun Zhu, Qian Liu, Yue Du, Hongyan Lin, Mengdi Jin, Jingzhu Fu, Fei Ma, Wen Li, Huan Liu, Jing Yan, Yongjie Chen, Guangshun Wang, Guowei Huang*

Journal Name: Current Alzheimer Research

Volume 18 , Issue 3 , 2021


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Abstract:

Background: Recent findings suggest a possible role of diet, particularly nutrient intakes and dietary patterns, in the prevalence of mild cognitive impairment (MCI); few studies, however, have been explicitly devoted to the relationship between dietary habits and MCI.

Objectives: We aimed to explore the association between dietary habits, including meal timing, and MCI among older Chinese adults.

Methods: This cross-sectional study involved data collected at the baseline of the Tianjin Elderly Nutrition and Cognition Cohort (TENCC) study, in which 3,111 community-dwelling older adults (326 MCI patients and 2,785 non-MCIs) from a rural area of Tianjin, China, were recruited. In March 2018 to June 2019, all participants underwent a detailed neuropsychological evaluation that allowed for psychometric MCI classification. Information on self-reported dietary behaviors was gathered via face-to-face interviews. Crude and multivariable-adjusted odds ratios (ORs) and 95% confidence intervals (CIs) were estimated using logistic regression models.

Results: In the multivariable-adjusted models, eating breakfast 4 to 6 times per week (vs. ≤3 times per week, OR: 0.45; 95% CI: 0.26, 0.75), drinking water before breakfast (yes vs. no, OR: 0.64; 95% CI: 0.51, 0.82), consuming water ≥1.5L per day (vs. <1.5L per day, OR: 0.64; 95% CI: 0.51, 0.82), and having lunch after 12:00 (vs. before 12:00, OR: 0.59; 95% CI: 0.47, 0.75) were associated with decreased risk of MCI. Participants who consumed higher amounts of cooking oil were at a higher risk of MCI (moderate vs. low, OR: 1.42; 95% CI: 1.04, 1.92; high vs. low, OR: 1.40; 95% CI: 1.07-1.83).

Conclusion : This study suggests that dietary habits, including breakfast frequency, daily water consumption, cooking oil consumption, and meal timing, may be associated with the risk of MCI. If replicated, these findings would open new possibilities of dietary interventions for MCI.

Keywords: Mild cognitive impairment, dietary habits, meal timing, logistic regression, elderly, cross-sectional study.

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Article Details

VOLUME: 18
ISSUE: 3
Year: 2021
Page: [256 - 264]
Pages: 9
DOI: 10.2174/1567205018666210617152205
Price: $65

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