公共卫生 公共卫生
Malika G Fernando1, Juliana Chen1,2, Carolina B Castro3,4
1Macquarie University, Sydney, NSW, Australia.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 23, 2025
概括
痴呆症预防试验的参与者基本饮食不佳,水果,蔬菜和乳制品摄入量低,可自由选择的食物摄入量高. 在AU-ARROW试验.
科学领域:
- 营养科学 营养科学
- 老年学是一门学科.
- 公共卫生 公共卫生
背景情况:
- 包括饮食,体育活动和认知训练在内的生活方式干预措施,在痴呆症预防方面表现有前途.
- 减少痴呆风险的澳大利亚多领域生活方式干预 (AU-ARROW) 是一项为期2年的随机临床试验,调查这些干预措施.
- 评估基线饮食模式对于了解干预的有效性至关重要.
研究的目的:
- 评估AU-ARROW试验参与者的基线饮食充足度和质量.
- 为了确定研究队伍中潜在的认知衰退的营养风险因素.
- 为AU-ARROW干预的饮食组成部分提供信息.
主要方法:
- 分析了来自AU-ARROW试验的247名认知正常成年人 (平均年龄67岁) 的队列.
- 通过使用经过验证的食物频率问卷来评估饮食摄入量.
- 饮食质量根据澳大利亚饮食指南进行评估,重点关注食品组份量和自由选择的食物消费.
主要成果:
- 参与者表现出低于最佳的宏观营养素分布,脂肪摄入量高于 (39%) 和碳水化合物摄入量低于 (40%) 建议.
- 和脂肪的摄入量超过了推水平,占总脂肪的34%.
- 关键食物组的消费不足 (蔬菜,豆类,水果,乳制品),而可自由选择的食物摄入量很高 (平均每天4.2-4.6份).
结论:
- 在AU-ARROW参与者中,基线饮食质量很差,标志着基本食物组的摄入不足和过度消费可自由选择的项目.
- 这些饮食模式与澳大利亚一般人口一致,可能会对认知健康产生负面影响.
- AU-ARROW试验的饮食干预旨在纠正这些营养不平衡,并提高整体饮食质量以减少痴呆风险.
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