将自我报告的饮食摄入量与随机控制食干预期间的提供饮食进行比较:试点研究
James L Casey1,2, Jennifer L Meijer1,3,4, Heidi B IglayReger5
1Department of Nutritional Sciences, University of Michigan, Ann Arbor, MI 48109, USA.
概括
自我报告的饮食摄入量含有错误,参与者在特定饮食中报告的脂肪和碳水化合物不足. 蛋白质摄入量一直被过度报告,突出了提高饮食评估准确性的战略的需要.
科学领域:
- 营养科学 营养科学
- 饮食评估 饮食评估
- 人类营养人类营养
背景情况:
- 自我报告的饮食摄入量容易出现系统和随机错误,可能会导致营养估计偏差.
- 准确的饮食评估对于了解健康结果和制定有效干预措施至关重要.
研究的目的:
- 描述自我报告的饮食摄入量的错误.
- 在受控养研究中,将24小时的饮食回忆与提供菜单项目进行比较.
主要方法:
- 一个平行随机的块设计养研究与标准,高脂肪和高碳水化合物饮食.
- 参与者 (12名男性,12名女性) 完成了24小时的饮食回忆.
- 研究营养数据系统量化了能量,宏观营养素和食品组的份量,用于统计分析.
主要成果:
- 卡路里摄入量与自我报告的数据和提供的食物之间是一致的.
- 高脂肪饮食的参与者报告的能量调整饮食脂肪不足.
- 高碳水化合物饮食的参与者报告的能量调整饮食碳水化合物不足.
- 在所有饮食干预措施中,对能量调整后蛋白质摄入量过度报告,特别是牛肉和家禽.
结论:
- 自我报告的饮食摄入量包含对特定宏观营养素的显著不足和过度报告错误.
- 了解这些错误报告模式对于制定减轻饮食评估错误的策略至关重要.
- 为了准确的营养研究和公共卫生指导,需要改进饮食评估方法.
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