一个系统的范围审查,从系统的角度评估含糖饮料税收
Miriam Alvarado1, Jean Adams2, Tarra Penney3
1MRC Epidemiology Unit, University of Cambridge School of Clinical Medicine, Institute of Metabolic Science, Cambridge Biomedical Campus, Cambridge, UK. miriam.alvarado@mrc-epid.cam.ac.uk.
Nature food
|October 19, 2023
概括
系统思维为了解含糖饮料 (SSB) 税收提供了一种新的方法,揭示了超出线性预测的复杂,周期性影响. 应用这种镜头可以改善人口健康干预评估和政策制定.
科学领域:
- 公共卫生 公共卫生
- 卫生政策 卫生政策
- 系统科学 系统科学
背景情况:
- 人口健康干预 (PHI) 可能会产生意想不到的后果.
- 系统思维为理解复杂相互作用提供了一个框架.
- 含糖饮料 (SSB) 的税收是一个关键的公共卫生政策,但其评估往往缺乏系统的视角.
研究的目的:
- 系统地审查有关SSB税收的文献,重点关注整合影响和影响的研究.
- 探索系统思维在评估SSB税收政策中的潜力.
- 开发一个概念框架,以了解SSB税的动态生命周期.
主要方法:
- 对329篇与SSB税收相关的论文进行了系统范围审查.
- 确定了45篇论文,考虑了SSB税收的影响和影响.
- 开发一个说明性的,以反为导向的概念框架.
主要成果:
- 很少有研究 (3/329) 明确使用系统思维方法来对SSB征税.
- 有大量的研究 (45/329) 考虑了影响和影响,表明了系统信息评估的潜力.
- 观察到影响和影响之间的周期性联系,突出了超出线性预测的影响.
- 开发了一个概念框架来说明影响SSB税收变化的过程 (增加,维护,侵蚀,废除).
结论:
- 系统思维为评估SSB税收和其他PHI提供了一种有价值的,未被充分利用的方法.
- 从系统的角度来看,对于理解公共卫生政策的动态和往往非线性影响至关重要.
- 开发的框架可以综合现有证据,并指导SSB税收的未来研究和政策制定.
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