制定一套举措,以增加长期托儿所儿童的蔬菜摄入量,使用多阶段优化策略 (MOST) 随机因数实验
Lucinda K Bell1, Samantha Morgillo1, Dorota Zarnowiecki1,2
1Caring Futures Institute, College of Nursing and Health Sciences, Flinders University, Bedford Park South Australia, Adelaide, SA5001, Australia.
Public health nutrition
|August 24, 2023
概括
在长日托儿所 (LDC) 实施课程和餐时间环境变化可能会提高儿童的蔬菜摄入量. 需要进一步的随机对照试验来证实这种优化方案的有效性.
科学领域:
- 儿童营养学 儿童营养学
- 公共卫生干预 公共卫生干预
- 预防儿童肥胖 预防儿童肥胖
背景情况:
- 低蔬菜摄入量是幼儿的重大公共卫生问题.
- 长日托管 (LDC) 设置提供了影响儿童饮食习惯的关键机会.
- 现有的干预措施往往缺乏一个系统的,优化的方法.
研究的目的:
- 评估三个不同的倡议的有效性:食品供应,餐时间环境和课程,对最不发达国家儿童的蔬菜消费.
- 确定这些举措的最佳组合,以增加蔬菜摄入量.
- 为最不发达国家中心提供全面的干预方案.
主要方法:
- 一个为期12周的随机因子实验,采用多相优化策略 (MOST) 框架.
- 包括南澳大利亚的32个最不发达国家中心,有1039名2-5岁的儿童.
- 使用权重板废弃物方法测量蔬菜摄入量,通过线性混合效应模型进行分析.
主要成果:
- 大多数干预组和对照组之间没有观察到蔬菜摄入量的统计学上显著差异.
- 综合的"课程与餐时间环境"干预显示了增加蔬菜摄入量的趋势 (26.7g/儿童/天,P=0.06).
- 据报道,课程和餐时间环境倡议的忠诚度和接受度很高,与食品供应倡议形成鲜明对比.
结论:
- 在最不发达国家环境中,以课程和餐时间环境为重点的综合方法显示出增强儿童蔬菜摄入量的前景.
- 需要进一步严格的随机对照试验来验证这种优化干预方案的有效性.
- 这些发现支持应用MOST框架,以优化早期儿童环境中的公共卫生干预措施.
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