不同年龄的中国成年人之间食物消费的代际差异
Lijie Guo1, Feifei Huang1, Mengran Liu2
1National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing 100050, China.
Nutrients
|October 28, 2023
概括
中国成年人在饮食中表现出显著的代际变化. 年轻一代消费的谷物和蔬菜较少,但更多的动物性食品和乳制品,饮食变化因年龄和性别而异.
科学领域:
- 营养科学 营养科学
- 公共卫生 公共卫生
- 社会学 社会学 社会学
背景情况:
- 在中国,对代际饮食动态的理解有限.
- 追踪饮食转变对于公共卫生干预措施的重要性.
研究的目的:
- 调查中国成年人 (≥20岁) 之间食物消费的世代差异.
- 分析谷物,动物性食品,蔬菜,水果和乳制品的摄入趋势.
- 检查一代人对能源的宏观营养素贡献.
主要方法:
- 利用了中国健康和营养调查 (CHNS) 的四个波 (1991-2018) 的数据.
- 包括40,704名参与者,分析了三天24小时的饮食数据.
- 将参与者分为六个年龄组,代表不同的世代.
- 采用了基平方和克鲁斯卡尔-瓦利斯测试,按性别分层.
主要成果:
- 年轻一代消费的谷物,蔬菜和碳水化合物较少,但更多的是动物性食品,水果和乳制品.
- 在年轻一代中,蛋白质和脂肪对能量的贡献增加了.
- 饮食模式随着年龄和性别的变化而变化,谷物/蔬菜摄入总体下降,乳制品/脂肪摄入量增加.
结论:
- 在中国成年人中存在显著的代际饮食差异.
- 趋势表明,动物性食品和脂肪摄入量增加的趋势正在转变.
- 公共卫生战略应应对年轻一代不断变化的饮食行为.
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