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乌拉圭第一年级学生的饮食质量和血水平
Katarzyna Kordas1, Marjorie Thomas1, Amy E Millen1
1Department of Epidemiology and Environmental Health: University at Buffalo, The State University of New York, United States of America.
The Science of the total environment
|September 27, 2024
概括
饮食质量没有显著影响儿童的血水平 (BLLs). 然而,在I阶段,更高的饮食质量与女孩的BLL略有增加有关,这表明暴露水平可能会影响这种关系.
科学领域:
- 环境健康 环境健康
- 儿童营养学 儿童营养学
- 毒理学 毒理学 毒理学
背景情况:
- 儿童接触是一种严重的公共卫生问题,食物是潜在的来源.
- 食物中的营养素可以影响的吸收,但儿童的整体饮食质量和血水平 (BLLs) 之间的关系需要进一步调查.
- 了解这些饮食因素对于制定有效的公共卫生干预措施来减少脆弱人群中暴露至关重要.
研究的目的:
- 调查各种饮食质量指标 (多样性,充足性,适度) 与儿童血水平 (BLLs) 之间的关联.
- 探索整体饮食质量如何与儿童的BLL有关,考虑潜在的性别差异.
- 为儿童群体提供基于证据的洞察力,了解饮食和暴露之间的复杂相互作用.
主要方法:
- 一项涉及乌拉圭蒙特维多一年级儿童的横截面研究,分两个阶段 (2009-2013年和2015-2019年).
- 使用原子吸收光谱测量测量血水平 (BLLs),通过两个24小时召回评估饮食摄入量.
- 饮食质量指数 (多样性,充足性,适度) 根据调整的饮食质量指数-国际标准计算,并使用多变量线性模型分析与BLL的关联.
主要成果:
- 从I期 (3.8μg/dL) 到II期 (1.3μg/dL) 的中位数BLL显著下降,这表明随着时间的推移,暴露减少了.
- 饮食质量得分通常很低 (<60%的最大值),食物组的摄入量低于推水平.
- 总体而言,饮食质量测量和BLL之间发现的关联很小;然而,更高的饮食多样性,充足性和质量与仅在I阶段的女孩的BLL略高有关.
结论:
- 在低暴露和不理想饮食模式的环境中,饮食质量与儿童的BLL之间的关系可能会受到暴露水平的影响.
- 需要进一步的研究来阐明饮食因素与不同暴露场景中的吸收之间的微妙相互作用.
- 公共卫生战略应考虑减少暴露和改善饮食质量,以全面保护儿童健康.
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