55岁及以上中国成年人饮食质量与认知功能的关联:一项纵向研究
1Wang Huijun, National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention/Key Laboratory of Trace Element Nutrition, National Health Commission of the People's Republic of China, Beijing 100050, China, Tel: +86-010-66237089;
The journal of nutrition, health & aging
|July 27, 2023
概括
高质量的饮食与老年人更好的大脑健康有关. 这项研究发现,良好的营养改善了认知功能,并降低了中国中年和老年人群认知能力下降的风险.
科学领域:
- 营养科学 营养科学
- 老年学是一门学科.
- 认知神经科学 认知神经科学
背景情况:
- 饮食是影响大脑健康和衰老的关键可修改因素.
- 了解饮食质量对老年人群认知功能的影响,对公共卫生至关重要.
研究的目的:
- 研究饮食质量与认知功能之间的关联.
- 检查饮食质量与中国中年和老年人认知能力差的患病率之间的关系.
主要方法:
- 这是一项纵向研究,利用了中国健康和营养调查 (CHNS) 超过20年的数据.
- 饮食质量是使用中国老年饮食指南指数2022 (CDGI 2022-E) 来评估的.
- 认知功能是使用认知状态修改的电话采访来评估的,用线性混合效应和后勤回归模型进行分析.
主要成果:
- 分析了4173名55岁以上的参与者. 较高的CDGI 2022-E分数与改善的全球认知分数相关 (p<0.05).
- 高质量的饮食显著提高了全球认知分数 [β:0.704 (0.394~1.015) ],复合认知z分数 [0.086 (0.045~0.128) ]和口头记忆分数 [0.221 (0.122~0.320) ].
- 与最低的三分之一相比,饮食质量最高的三分之一与认知能力低下的可能性降低了18% (95%CI:0.698~0.965).
结论:
- 坚持高质量的饮食与中国中年和老年人的认知功能增强有关.
- 改善饮食质量可能会在延缓这一群体内认知衰退方面发挥作用.
- 研究结果支持促进健康饮食模式,以保持老年人群中大脑健康.
相关概念视频
01:30Cognitive Development During Adulthood
159
Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
159
02:20Longitudinal Research
12.0K
Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
12.0K
01:26Longitudinal Studies
187
Longitudinal studies are also widely used in other medical and social science fields. For instance, in cardiovascular research, they can monitor patients' health over decades to identify risk factors for heart disease, such as high cholesterol or smoking, and evaluate the long-term effectiveness of preventive measures. Similarly, in mental health studies, researchers might follow individuals from adolescence into adulthood to understand the development and progression of conditions like...
187