从中年开始的饮食质量和老年人的身体组成:来自英国出生队列的研究结果
Leo D Westbury1, Ruth Durdin1,2, Sian M Robinson3,4
1MRC Lifecourse Epidemiology Centre, University of Southampton, Southampton, UK.
The British journal of nutrition
|December 4, 2024
概括
在成年期保持健康的饮食与老年人更好的身体组成有关. 较高的健康饮食模式得分与晚年较低的脂肪质量指数和肌肉脂肪质量比率有关.
科学领域:
- 老年学是一门学科.
- 营养科学 营养科学
- 身体组成分析 身体成分分析
背景情况:
- 饮食习惯显著影响整个寿命的健康结果.
- 了解饮食对人体构成的长期影响对于公共健康至关重要.
- 之前的研究强调了饮食的重要性,但对成人饮食模式和晚年身体组成的纵向数据是有限的.
研究的目的:
- 调查从中年到老年健康饮食模式得分与老年人身体组成之间的关联.
- 为了确定在整个成年期保持一致的健康饮食习惯是否比晚年改变饮食更有益.
- 检查饮食质量与脂肪质量指数 (FMI) 和肌肉脂肪质量比率之间的关系.
主要方法:
- 利用了MRC国家健康和发展调查 (NSHD) 的数据,其中包括692名男性和女性.
- 通过对36岁,43岁,53岁和60-64岁的食物日记数据的主要成分分析计算了健康饮食模式得分.
- 采用线性回归来评估饮食得分与高度调整的双能量X射线吸收度 (DXA) 测量脂肪和瘦体在60-64岁之间之间的关联,调整为混因素.
主要成果:
- 在43岁,53岁和60-64岁时,更高的健康饮食模式得分与较低的脂肪质量指数 (FMI) 和60-64岁时的肌肉脂肪质量比率有关.
- 60-64岁时饮食得分的标准偏差增加与平均FMI的0.18 SD降低有关.
- 从成年期中期开始持续健康饮食,与36岁的饮食分数相比,与减肥有更强的关联.
结论:
- 整个成年期饮食质量的改善与老年人对脂肪的有益影响有关.
- 持续健康的饮食模式似乎在以后的生活中保持更健康的身体组成方面发挥着重要作用.
- 虽然瘦身量没有强烈的关联,但饮食质量显示出管理脂肪分布和降低老年人群中与肥胖相关的风险的承诺.
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