[通过24小时饮食回忆方法对连续两天和连续三天的食物,能量和营养素摄入量进行比较研究]
Hongyun Fang1, Kun Huang2, Qiya Guo2
1NHC Key Laboratory of Public Nutrition and Health, National Institute for Nutrition and Health, China CDC, Beijing 100050, China.
Wei sheng yan jiu = Journal of hygiene research
|August 18, 2024
概括
两天的饮食回忆方法准确地估计了中国的食物,能量和营养素摄入量,与监测的三天方法相比. 这一发现支持使用更短的方法来有效收集数据.
科学领域:
- 营养科学 营养科学
- 公共卫生 公共卫生
- 饮食评估 饮食评估
背景情况:
- 准确的饮食评估对于公共卫生监测至关重要.
- 传统的3天24小时饮食回忆 (24HR) 提供了全面的数据,但资源密集.
- 评估更短的召回时间对于优化中国的营养监测至关重要.
研究的目的:
- 用3天24小时方法与2天24小时方法对比估计的食物,能量和营养摄入量.
- 为了确定中国国家营养监督的2天方法的有效性.
- 评估使用更短的饮食回忆期的可行性.
主要方法:
- 目标抽样选择了来自中国北部和南部省份的参与者.
- 通过连续3天24小时收集的饮食数据,分析了3天 (星期四-星期六) 和2天 (星期五-星期六) 的数据.
- 3天方法作为评估2天方法性能的参考标准.
主要成果:
- 与3天方法相比,2天方法显示主要食品类别的误差不到6%,没有显著差异.
- 在24个食品组中,有17个食品组的平均误差在5%以内,使用2天方法.
- 能量摄入量估计误差低于0.5%,25种营养素中有22种的误差小于5%.
结论:
- 两天24小时的方法在评估群体水平上经常食用的食物,能量和大多数营养素的摄入量方面显示出极小的差异.
- 2天方法是3天方法的可行替代方案,用于收集高消费率人口的饮食摄入数据.
- 这支持在中国使用2天方法进行高效和有效的营养监测.
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