Relationship between nutrient-related dietary pattern and mild cognitive impairment in middle-aged and elderly people in 15 provinces of China

• Published in: Zhōnghuá liúxíngbìng zázhì Vol. 44; no. 3; p. 408
• Main Authors: Zhang, X F, Jia, X F, Zhang, J G, Du, W W, Ouyang, Y F, Huang, F F, Wang, H J
• Format: Journal Article
• Language: Chinese
• Published: China 10.03.2023
• Subjects: Aged; China - epidemiology; Cognitive Dysfunction - epidemiology; Diet; Feeding Behavior - psychology; Humans; Middle Aged; Nutrients; Vegetables; China
• ISSN: 0254-6450
• DOI: 10.3760/cma.j.cn112338-20220606-00503

To explore the relationship between nutrient-related dietary pattern and mild cognitive impairment (MCI) in middle-aged and elderly people. A total of 6 444 middle-aged and elderly people aged ≥55 years were selected in 2018 China Health and Nutrition Survey. MCI was evaluated by Mini-Mental State Examination, and the intakes of various foods were obtained by consecutive 3-day 24-hour dietary survey and weighing method. The intakes of various nutrients and total dietary energy were calculated based on the food composition table. Demographic and social information, lifestyle and health status of the respondents were obtained through questionnaire survey and physical measurements. In this study, vitamin C, vitamin E, zinc, iron, copper and selenium were selected as dependent variables. Nutrient-related dietary patterns were extracted by reduced rank regression method, and the relationship between dietary patterns and MCI was analyzed by multivariate logistic regression model. Six dietary patterns were extracted