评估早期政策干预措施的研究是否完全遵守差异差异的关键条件? 一个系统的审查
Anouk Klootwijk1,2, Jeroen Struijs3,2, Annelieke Petrus2
1Department for Population Health and Health Services Research, National Institute for Public Health and the Environment, Bilthoven, Netherlands anouk.klootwijk@rivm.nl.
BMJ open
|May 17, 2024
概括
这次系统审查发现,评估早期生活政策干预措施的差异差异 (DiD) 研究的方法质量存在重大缺陷. 研究人员应该使用检查清单来提高儿童健康政策的透明度和有效性.
科学领域:
- 公共卫生 公共卫生
- 卫生经济学 卫生经济学
- 生物统计学 生物统计学
背景情况:
- 评估早期生活政策干预措施对于儿童发育和母亲健康至关重要.
- 差异差异 (DiD) 是评估此类政策的常用方法.
- 在这个领域评估DiD应用的质量对于可靠的证据至关重要.
研究的目的:
- 通过DiD分析评估早期生活政策干预研究的报告和方法质量.
- 为了确定是否遵守有效的DiD应用程序的关键条件.
主要方法:
- 对应用DiD到早期生活政策干预的论文进行系统审查.
- 在Medline,Embase和Scopus数据库中搜索到2022年12月.
- 专注于七个DiD的关键条件:数据需求,平行趋势,没有预测,标准统计假设,常见的冲击,组组合和溢出.
主要成果:
- 包括19项关于早期生活政策干预的研究.
- 没有一项研究满足了所有关键的DiD条件.
- 最常见的是数据要求 (18项研究) 和标准统计假设 (11项研究).
- 在9项研究中,并行趋势的假设得到了满足;没有预期和溢出效应得到了很差的解决.
结论:
- 关于早期生活政策干预的DiD研究报告和方法质量存在重大缺陷.
- 不完全遵守关键的DiD假设会损害研究的有效性和政策影响.
- 建议采用标准化检查清单,以提高儿童和母亲政策的透明度,有效性和统一性.
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