Comparison of duplicate portion and 24 h recall as reference methods for validating a FFQ using urinary markers as the estimate of true intake

Comparison of duplicate portion and 24 h recall as reference methods for validating a FFQ using urinary markers as the estimate of true intake

搜集汇总

背景与挑战

背景概述

该数据集旨在比较重复部分法和24小时回忆法作为参考方法，用于验证食物频率问卷（FFQ）的有效性，其中以尿液标记物作为真实摄入量的估计标准。研究聚焦于方法学评估，探讨不同验证方法在营养摄入测量中的适用性。