使用三维光子扫描方法的健康单胎婴儿的身体组成:一个多中心横截面研究
Li Zhang1, Ting Zhang1, Hui-Juan Liu1
1Research Center for Child Health, Department of Child Health Care, Key Laboratory of Birth Regulation and Control Technology of National Health Commission of China, Shandong Provincial Maternal and Child Health Care Hospital Affiliated to Qingdao University, Jinan, China.
Nutrition (Burbank, Los Angeles County, Calif.)
|August 10, 2023
概括
婴儿的身体组成,包括脂肪质量和无脂肪质量,随着年龄的增长而变化,并且在性别之间存在差异. 男孩在婴儿时期往往比女孩积累更多的脂肪质量.
科学领域:
- 儿童营养学 儿童营养学
- 身体组成分析 身体成分分析
- 增长和发展 增长和发展
背景情况:
- 身体成分对于评估婴儿营养状况和预测未来健康至关重要.
- 三维光子身体表面扫描 (3-DPS) 提供了一种非侵入性,具有成本效益的方法来测量儿科身体组成.
研究的目的:
- 为了说明婴儿的身体组成增长轨迹使用3-DPS.
- 通过性别和年龄来分析这些轨迹.
主要方法:
- 一项多中心的横截面研究,涉及中国山东省8769名健康的婴儿.
- 身体成分指标包括脂肪质量 (FM),无脂肪质量 (FFM),FM百分比 (FM%),FM指数 (FMI) 和FFM指数 (FFMI) 使用3-DPS测量.
- 百分比曲线是使用一般化增值模型构建的,用于位置,尺度和形状方法.
主要成果:
- 脂肪质量和无脂肪质量增长反映了体重轨迹,从1到3个月迅速增加.
- 脂肪质量百分比,FM指数和FFMI增加到6个月,然后下降,类似于BMI趋势.
- 男孩通常表现出比女孩更高的FM和FM相关指标,这表明性别特定的脂肪积累.
结论:
- 婴儿的身体组成随年龄而显著变化.
- 婴儿时期身体组成的性别差异主要与脂肪质量积累有关,男孩显示的水平更高.
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