教育行星盘图形对斯坦福大学餐厅肉类消费的影响:随机对照试验
Alessandra L Marcone1, Gary L Darmstadt2, Ghislaine Amsler Challamel3
1Stanford Prevention Research Center, Stanford University School of Medicine, Stanford, CA, USA.
BMC nutrition
|September 25, 2023
概括
一个教育性的行星健康板图形减少了大学餐厅的肉类选择率. 然而,它并没有显著改变整体肉类消费或份量大小,这表明对饮食选择有微妙的影响.
科学领域:
- 星球健康 星球健康
- 营养科学 营养科学
- 行为经济学是一种行为经济学.
背景情况:
- 评估教育干预措施对机构环境中的饮食选择的影响.
- 研究视觉线索对食物选择行为的影响.
- 使用随机对照试验 (RCT) 交叉设计来评估饮食干预措施.
研究的目的:
- 为了评估一个教育行星健康盘 (PHP) 图形对大学食堂顾客肉类消费的影响.
- 为了确定PHP暴露是否影响肉菜的数量和选择.
- 为促进可持续饮食行为的策略提供信息.
主要方法:
- 一个随机对照试验交叉研究,比较有或没有PHP标志的饮食行为.
- 在学习期间注册所有餐厅顾客 (控制:n=631;PHP:n=547).
- 在四次晚餐中测量了主要结果 (肉菜总重量) 和次要结果 (肉菜份量,份量).
主要成果:
- 接触PHP图表显著降低了顾客选择肉类的速度 (发生率比0.80;P<.001).
- 在HP和对照组之间,在肉盘总重量 (P = .19) 或肉盘平均份量 (P = .07) 中没有发现显著差异.
- 这项干预表明,它对肉类选择产生了有针对性的影响,而不是总体消费量.
结论:
- 教育板图形可以有效地减少个人选择肉的比例.
- 该研究强调,虽然选择率可能会发生变化,但单靠这种类型的干预措施,总体肉类消费量和份量可能不会受到重大影响.
- 需要进一步的研究来探索教育标牌在促进人类健康和环境益处的可持续饮食模式中的有效性.
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