美国成年人的水摄入量和握力:基于NHANES 2011-2014数据的跨部门研究
Dongzhe Wu1, Chaoyi Qu1,2, Peng Huang1,3
1Exercise Biological Center, China Institute of Sport Science, Beijing 100061, China.
Nutrients
|October 28, 2023
概括
美国成年人每日摄入水量与手握强度的反向U曲线关系. 最佳水分水平对于肌肉功能至关重要,具体建议在性别之间有所不同.
科学领域:
- 营养科学 营养科学
- 人体生理学 人体生理学
- 公共卫生 公共卫生
背景情况:
- 足够的每日总水摄入量 (DTIW) 对于整体健康和肌肉功能至关重要.
- 了解水分和肌肉力量之间的准确关系对于公共卫生指南至关重要.
研究的目的:
- 在美国成年人群中调查每天总摄入水量与手握强度之间的关联.
- 探索水摄入与肌肉功能关系中的潜在的性别特异性差异.
主要方法:
- 利用了2011-2014年国家健康和营养检查调查 (NHANES) 的数据,其中包括5427名美国成年人.
- 使用加权通用线性回归和受限立方线来分析DTIW和手柄强度之间的非线性关联.
- 进行了性别子组分析,以确定性别特异性模式.
主要成果:
- 在DTIW和手握强度 (p=0.0044) 之间观察到一个显著的反转U形非线性趋势,最佳摄入量约为2663g/day.
- 这种非线性关联在男性 (p=0.0016) 中具有显著性,截止值为2595g/day,但在女性中没有显著性.
- 对于分层变量在DTIW-HGS关联上没有发现显著的相互作用效应.
结论:
- 每天摄入的水量与手握强度非线性相关,表明肌肉功能最佳的水分范围.
- 存在着显著的性别差异,男性表现出显著的反转U曲线关系.
- 调查结果提供了针对肌肉健康饮用水的定制公共卫生建议的证据.
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