在临床和研究环境中适用的简短的基于网络的半定量食品频率问卷的开发和有效性:随着时间的推移的演变
Joke Verbeke1, Tessy Boedt1, Christophe Matthys1,2
1Clinical and Experimental Endocrinology, Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium.
Frontiers in nutrition
|June 2, 2023
概括
这项研究验证了基于网络的成人食品频率问卷 (FFQ),发现它可靠且可行,用于评估人口层面的饮食摄入量. 对于营养密度和食品组,FFQ表现出良好的可靠性和可接受的有效性.
科学领域:
- 营养科学 营养科学
- 饮食评估方法 饮食评估方法
- 公共卫生研究 公共卫生研究
背景情况:
- 评估长期的习惯性饮食摄入量对于临床实践和研究至关重要.
- 一个基于网络的,半定量性的食物频率问卷 (FFQ) 已开发,以测量习惯性营养素和食物摄入量.
研究的目的:
- 评估32项成人半定量FFQ的内容有效性,收有效性和可靠性.
- 为了评估FFQ在十多年来进行的多项验证研究中的表现.
主要方法:
- 通过半结构认知面试评估内容有效性.
- 与3天的食物记录 (FR) 相比,使用相关系数,布兰德-阿尔特曼分析和交叉分类来评估趋同有效性.
- 使用测试-重新测试相关系数和类内相关性 (ICC) 评估可靠性.
主要成果:
- 对于能量和营养摄入量的斯皮尔曼相关系数 (SCC) 从0.02到0.54不等.
- 与绝对摄入量相比,对相对宏观营养素摄入量和食物组观察到更高的SCC.
- 发现了良好的可靠性 (平均SCC0.65-0.66) 和可接受的营养错误分类 (6.8-7.5%),随着时间的推移有所改善.
结论:
- 基于网络的FFQ是一个可行的,低成本的工具,具有良好的可靠性和可接受的有效性,用于人口层面的饮食评估.
- 该FFQ适用于比较营养密度和食物组摄入量.
- 使用这种FFQ测量绝对饮食摄入量需要进一步考虑.
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