A "Model-on-Demand" Methodology For Energy Intake Estimation to Improve Gestational Weight Control Interventions.

A "Model-on-Demand" Methodology For Energy Intake Estimation to Improve Gestational Weight Control Interventions.
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DOI:
10.1016/j.ifacol.2018.09.105
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发表时间:
2018
期刊:
影响因子:
--
通讯作者:
Downs DS
Downs DS
中科院分区:
其他
文献类型:
--
作者:
Guo P;Rivera DE;Pauley AM;Leonard KS;Savage JS;Downs DS

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在体重控制干预措施中,能量摄入报告不足是一个常见的问题。在以前的工作中,开发了一系列的估计方法,以更好地了解低报的能量摄入量的问题,其中是一种基于半物理识别原理的方法,该方法通过获得低报程度的函数关系来调整能量摄入量自我报告。在本文中,这种全球性的建模方法进行了扩展,并为比较的目的,局部建模方法的基础上,按需模型(MOD)的概念。本地的方法显示相当的性能,但涉及减少工程eort和要求较少的先验信息。交叉验证被用来评估这两种方法,在实践中作为选择简约而准确的模型的基础。增强的全球和国防部的本地估计方法的有效性进行了评估,从健康妈妈区,一种新的妊娠体重干预研究的肥胖和超重的妇女的需求为重点的数据。
Energy intake underreporting is a frequent concern in weight control interventions. In prior work, a series of estimation approaches were developed to better understand the issue of underreporting of energy intake; among these is an approach based on semi-physical identification principles that adjusts energy intake self-reports by obtaining a functional relationship for the extent of underreporting. In this paper, this global modeling approach is extended, and for comparison purposes, a local modeling approach based on the concept of Model-on-Demand (MoD) is developed. The local approach displays comparable performance, but involves reduced engineering e ort and demands less a priori information. Cross-validation is utilized to evaluate both approaches, which in practice serves as the basis for selecting parsimonious yet accurate models. The effectiveness of the enhanced global and MoD local estimation methods is evaluated with data obtained from Healthy Mom Zone, a novel gestational weight intervention study focused on the needs of obese and overweight women.
DOI: 10.1109/acc.2016.7525092
发表时间: 2016-07
期刊: Proceedings of the ... American Control Conference. American Control Conference
影响因子: --
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