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首页> 外文期刊>Journal of Sports Medicine >Testing Bioimpedance to Estimate Body Fat Percentage across Different Hip and Waist Circumferences
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Testing Bioimpedance to Estimate Body Fat Percentage across Different Hip and Waist Circumferences

机译：测试生物阻抗以估算不同臀部和腰部圆周的体脂百分比

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Many studies have validated the use of bioimpedance analysis (BIA) to quantify body fat percentage (BF%). However, it is unknown if some model types (i.e., hand to hand, foot to foot, and hand to foot) are differing in their validity depending on hip and waist circumferences. The purpose of this study was to compare the difference in BF% between three BIA models (i.e., hand to hand, foot to foot, and hand to foot) against the Bod Pod across different hip and waist circumferences. A total of 92 people aged 19-72 years were recruited in this study. After following the pretesting procedures recommended for BIA measures, BF% was estimated using three BIA models and the Bod Pod. Hip and waist circumferences were obtained using standard procedures and tertiles were computed. The Bland-Altman was plotted and 1-sample T-test as well as correlation between the average measure and the difference between the two measures was tested. Within the entire sample, across all BIA models, the Bland-Altman analysis showed significant difference compared to 0 and a significant difference for the proportional. However, when stratified by tertiles, the two measurements were only significant for the highest tertiles of hip and waist for all BIA apparatus (all p 0.01) and the proportional bias was nonsignificant for all tertiles and across all BIA apparatus. For the highest tertile of waist and hip, the average difference was between 1.67% and 3.29% compared with the Bod Pod estimation. In conclusion, the three BIA models offer a BF% measurement agreeing with the estimation obtained with the Bod Pod with the exception of people having a greater waist or greater hip.
机译：许多研究已经验证了使用生物阻抗分析（BIA）来量化体脂百分比（BF％）。然而，如果某种型号类型（即，手为手，脚脚和手脚脚）是未知的，这取决于臀部和腰部的有效性。本研究的目的是将BF％之间的差异与三种BIA模型（即，手，脚脚，脚，手脚脚）进行比较，沿着不同的臀部和腰部的BOD荚。在本研究中招募了9-72岁19岁的92人。在按照BIA措施建议的预测试程序之后，使用三种BIA模型和BOD POD来估计BF％。使用标准程序获得臀部和腰部圆周，并且计算乳房。平坦的Altman被绘制，1样本T检验，以及平均测量与两项措施之间的差异之间的相关性。在整个样本中，在所有BIA模型中，Bland-Altman分析与0比较和比例的显着差异显示出显着差异。然而，当由触乳物质分层时，两种测量对于所有BIA设备的髋关节和腰部的最高截头（所有P <0.01）而言，两个测量值仅为显着性，并且对所有截头物品和跨所有BIA设备的比例偏压是无显着的。对于腰部和臀部的最高型号，与BOD POD估计相比，平均差为1.67％和3.29％。总之，三个BIA模型提供了BF％的测量，同意使用BOD POD获得的估计，除了具有更大的腰部或更高髋关节的人。

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