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自我报告的注意力正面与负面的营养在早餐谷物选择期间的注意力与更健康的食物选择有关
Christopher R Gustafson1, Henriette Gitungwa1, Devin J Rose2,3,4
1Department of Agricultural Economics, University of Nebraska-Lincoln, Lincoln, Nebraska, USA.
Nutrition bulletin
|August 6, 2025
概括
专注于积极的营养素,如纤维和铁,与避免负面的相比,大大改善了健康的食物选择. 强调积极营养素的营养指南可能更有效地提高饮食质量.
科学领域:
- 营养科学 营养科学
- 行为经济学是一种行为经济学.
- 公共卫生 公共卫生
背景情况:
- 饮食指南往往侧重于限制"负面"的营养素 (如糖,),而不是促进"积极"的营养素 (如纤维,).
- 了解消费者如何关注不同类型的营养素会影响他们的食物选择和整体饮食质量.
- 专注于正面与负面的营养信息对选择更健康的食物选择的影响仍然是一个需要探索的领域.
研究的目的:
- 评估关注积极或消极营养素与准备食用的早餐谷物选择的营养质量之间的关联.
- 为了比较专注于正面营养素与负面营养素在指导更健康的食物选择中的有效性.
- 为改善公众饮食习惯的营养指导策略提供信息.
主要方法:
- 一项在线调查涉及962名美国成年人,他们从33个具有营养信息的选项中选择了早餐谷物.
- 参与者在进行选择后报告了他们对特定正 (纤维,,铁) 和负 (能量,脂肪,糖,) 营养素的关注.
- 用指导星 (GS) 评级评估谷物健康性,并通过顺序逻辑回归分析了营养注意力和GS评级之间的关系.
主要成果:
- 考虑到每个积极的营养素增加了选择高GS评级谷物的几率2.83倍,而不是考虑没有营养素.
- 考虑每个负面营养素增加了1.55倍的几率,比考虑积极营养素的影响要小得多.
- 那些只关注积极营养素或积极和消极营养素的人选择了比那些只关注负面营养素的人更健康的谷物 (更高的GS评分).
结论:
- 强调包括积极营养素的营养指南在改善食物选择的营养质量方面可能比专注于避免负面营养素的信息更有效.
- 强调纤维,和铁等有益的营养素可以使消费者能够做出更健康的早餐谷物选择.
- 未来的饮食建议应该考虑一种平衡的方法,可能优先考虑促进积极的营养摄入.
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