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, Department of Medicine, Stanford University.
Research square
|April 1, 2025
概括
这项研究审查了减少肉类和动物产品 (MAP) 消费的干预措施. 大多数方法的影响最小,但针对红色和加工肉类显示出更多的希望.
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.
- 现有的干预措施在改变饮食习惯方面表现出不同的有效性.
研究的目的:
- 系统地审查和元分析随机对照试验 (RCT),评估减少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:
- 一项对35篇论文的元分析,包括41项研究和112项干预,约有87000名受试者.
- 干预措施被分为选择架构,说服,心理学或组合方法.
- 在干预后至少一天内测量了MAP消费.
主要成果:
- 所有干预措施对MAP消费的整体综合影响很小 (SMD = 0.07).
- 专门针对减少红肉和加工肉的干预措施更有效 (SMD = 0.25).
- 目前尚不确定红肉/加工肉干预措施是否会减少其他MAP的消费.
结论:
- 目前的干预措施在很大程度上对显著的MAP减少无效.
- 针对红肉和加工肉的有针对性的干预措施显示出更大的潜力.
- 在干预设计和测量方面取得了改进,这是未来研究的有希望的领域.
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