超市交易记录 在饮食评估中:STRIDE研究:对自我报告的饮食摄入量进行验证
Victoria Jenneson1,2, Darren C Greenwood1,3, Graham P Clarke2
1Leeds Institute for Data Analytics, Level 11 Worsley Building, Clarendon Way, University of Leeds, LeedsLS2 9JT, UK.
Public health nutrition
|September 6, 2023
概括
超市购买数据可以估计人口的饮食,但与实际摄入量的一致性差异很大. 相对营养值显示出更强的一致性,这表明大规模饮食监测的实用性.
科学领域:
- 营养科学 营养科学
- 公共卫生 公共卫生
- 数据科学数据科学数据科学
背景情况:
- 精确的人口饮食监测对公共健康至关重要.
- 需要可扩展的方法来评估大量人群的饮食摄入量.
- 超市交易数据提供了一个潜在的可扩展数据源.
研究的目的:
- 将超市交易中得出的饮食估计与在线食品频率问卷 (FFQ) 中得出的饮食估计进行比较.
- 评估超市交易记录在饮食评估 (STRIDE) 研究对人口饮食监测的有用性.
主要方法:
- 从英国零售商的忠诚度数据库中招募了1788名参与者,遍及英国四个地区.
- 在研究期间和研究前一年收集了1年的购买数据.
- 对关键营养素 (绝对和相对) 计算的布兰德-阿尔特曼协议和协议极限 (LoA).
主要成果:
- 分析包括686名参与者 (72%是女性,平均年龄56岁).
- 来自购买的绝对营养摄入量的估计显示了广泛的LoA,有明显的高估和低估.
- 相对 (经能量调整) 营养估计显示较小的LoA,表明更好的协议.
结论:
- 超市购买量与实际饮食摄入量之间的关系是高度可变的.
- 购买的相对营养价值显示出更强的一致性,特别是在较小,忠诚的家庭中.
- 相对购买营养素可以作为一个合理的代理饮食成分在人口层面的研究.
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