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食品系统对营养的干预:从非洲和南亚的6个计划评估中吸取教训
Lynnette M Neufeld1, Stella Nordhagen2, Jef L Leroy3
1Food and Nutrition Division, Food and Agriculture Organization of the United Nations (FAO), Rome, Italy.
The Journal of nutrition
|April 6, 2024
概括
评估改善营养的食品系统干预措施是复杂的. 这项研究确定了关键的挑战,并提出了更好的评估方法的建议,强调了强有力的证据的多样化方法.
科学领域:
- 食品系统科学 食品系统科学
- 公共卫生营养 公共卫生营养
- 评估方法的评估方法.
背景情况:
- 全球越来越多地对粮食系统的兴趣,包括营养,对地球和人类健康的战略.
- 关于特定食品系统干预措施的有效性的证据有限.
- 评估复杂,动态的食品系统干预措施带来了重大的方法挑战.
研究的目的:
- 在评估旨在改善营养的食品系统干预措施时,确定关键的方法挑战.
- 制定建议,以提高这些评估研究的质量.
- 探索在该领域开发创新评估方法的机会.
主要方法:
- 基于对非洲和南亚粮食系统干预措施的6项评估.
- 识别和分析这些评估中遇到的常见方法挑战.
- 综合发现,为未来研究提出横向建议.
主要成果:
- 确定了5个主要挑战:缺乏证据基础,干预的复杂性,归因问题,数据收集/访问困难以及结果定义/测量.
- 制定了6项横向建议,包括使用多种多样化的方法和灵活的评估设计.
- 突出了食品系统评估中方法创新的机会.
结论:
- 对食品系统干预措施的有效评估需要解决重大方法障碍.
- 采用多样化和灵活的评估方法对于产生可靠的证据至关重要.
- 需要开发和应用新的方法,以更好地评估食品系统干预措施对营养的影响.
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