有意义地减少肉类和动物产品的消费是一个未解决的问题:元分析
Seth Ariel Green1, Benny Smith2, Maya B Mathur1
1Quantitative Sciences Unit, Stanford University, USA.
Appetite
|August 3, 2025
概括
大多数干预措施显示,肉类和动物产品 (MAP) 消费量略有减少. 针对红肉和加工肉的有针对性的策略更有希望,但整体有效性仍然有限.
科学领域:
- 行为科学 行为科学
- 营养科学 营养科学
- 公共卫生 公共卫生
背景情况:
- 减少肉类和动物产品 (MAP) 消费是一个关键的公共卫生和环境目标.
- 现有的干预措施采用各种策略,但它们的有效性和耐久性尚未得到充分证实.
研究的目的:
- 系统地审查和元分析随机对照试验 (RCT),评估旨在减少MAP消费的干预措施.
- 为了确定哪些干预策略产生了最大和最持久的MAP摄入量的减少.
主要方法:
- 35篇论文的元分析,包括41项研究和112个不同的干预措施,约有87000名参与者.
- 干预措施被分为选择架构,说服,基于心理学的方法或它们的组合.
- 在干预后至少一天内测量了MAP消费.
主要成果:
- 112项干预措施对MAP消费的整体综合影响很小 (SMD = 0.07;95% CI: [0.02,0.12]).
- 专门针对红肉和加工肉类消费的干预措施显示出更大的有效性 (SMD = 0.25; 95% CI: [0.11, 0.38]).
- 尚不确定这些有针对性的干预措施是否会减少其他MAP类别的消费.
结论:
- 目前的干预策略在显著减少整体MAP消费方面取得了有限的成功.
- 虽然在干预设计和测量方面取得了进展,但仍需要一个减少MAP摄入量的最终解决方案.
- 未来的研究应该集中在严格评估有希望的干预措施和改进测量策略上.
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