通过使用基于代理物的建模,探索工作场所饮食干预之外的溢出效应
Yinjie Zhu1,2, Marga C Ocké2,3, Emely de Vet1
1Consumption and Healthy Lifestyles chair group, Wageningen University & Research, Hollandseweg 1, 6706 KN, Wageningen, the Netherlands.
Public health nutrition
|February 12, 2026
概括
基于代理物的建模 (ABM) 显示,饮食干预可以积极影响家庭的植物性蛋白质消费. 工作场所的干预措施导致晚餐时增加了植物性饮食,证明了溢出效应.
科学领域:
- 计算社会科学 计算社会科学
- 营养科学 营养科学
- 行为科学是一种行为科学.
背景情况:
- 饮食干预往往侧重于直接影响.
- 了解其他餐点和环境的溢出效应对于公共卫生至关重要.
- 基于代理的建模 (ABM) 提供了一种新的方法来研究复杂的行为动态.
研究的目的:
- 使用ABM调查饮食干预措施超出其直接范围的溢出效应.
- 量化工作场所饮食变化对家庭饮食模式的影响程度.
- 探索饮食认同和社交网络等因素在调解这些影响中的作用.
主要方法:
- 开发了一个基于代理的模型 (ABM),模拟荷兰成人午餐和晚餐的饮食习惯.
- 模拟了工作场所食堂干预措施,在午餐时促进植物性蛋白质.
- 评估了晚餐时对植物性蛋白质消费的溢出效应,不同直接干预效应大小.
主要成果:
- 模拟显示了积极的人口水平溢出效应,在三年内增加了晚餐时的植物性蛋白质消费.
- 晚餐时的植物性蛋白质摄入量线性增加,直接干预效应大小高达0.5.5.
- 溢出效应在0.5的效应大小之外停滞不前,这表明回报正在下降.
结论:
- ABM成功地证明,工作场所的饮食干预措施可以对家庭的饮食习惯产生积极的溢出效应.
- 这种建模方法可以补充研究饮食行为变化的传统方法.
- 研究结果支持ABM在促进可持续饮食模式方面的潜力.
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