从澳大利亚成年人的移动食品记录评估的临时饮食模式和超加工食品消费量
Janelle D Healy1, Satvinder S Dhaliwal1,2,3,4, Christina M Pollard1,5,6
1Curtin School of Population Health, Curtin University, GPO Box U1987, Perth, WA 6845, Australia.
Nutrients
|October 29, 2025
概括
超加工食品 (UPF) 的摄入量在传统的饮食时间达到顶峰,特别是在年轻人中. 了解这些暂时的饮食模式对于针对UPF消费的公共卫生营养干预措施至关重要.
科学领域:
- 营养科学 营养科学
- 公共卫生 公共卫生
- 行为科学 行为科学
背景情况:
- 超加工食品 (UPF) 的消费和饮食时间与肥胖和慢性疾病有关.
- 由于数据收集的挑战,对UPF摄入的时间性饮食模式尚不清楚.
研究的目的:
- 使用移动食品记录 (mFRs) 识别超加工食品消费的时间性饮食模式.
主要方法:
- 从243名年轻人 (18-30岁) 和148名老年人 (>30岁) 中利用了4天的mFRs.
- 从mFR元数据中提取了进食时间,并使用NOVA系统确定了UPF.
- 分析了每小时UPF能量摄入量 (EI) 的比例,比较工作日和周末,并使用后勤回归.
主要成果:
- 年轻的成年人消耗的UPF EI比例比较高 (48.8%),而不是老年人 (36.1%).
- 年轻的成年人在下午8点和下午1点显示UPF EI峰值;老年人在上午7点,下午1点和晚上8点出现峰值.
- 年长的成年人周末的UPF EI高于平日;年轻的成年人没有观察到周末的差异.
结论:
- UPF的能量摄入主要发生在典型的饮食时间,特别是在年轻人中,消耗量很大.
- 时间UPF消费数据为设计有针对性的公共卫生营养策略提供了宝贵的见解.
- 在UPF摄入量与性别,BMI或教育等人口因素之间没有发现显著的关联.
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