The effects of nutrition knowledge on food label use. A review of the literature.

The effects of nutrition knowledge on food label use. A review of the literature.
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DOI:
10.1016/j.appet.2015.05.029
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发表时间:
2015-09
期刊:
影响因子:
5.4
通讯作者:
Cassady, Diana L.
Cassady, Diana L.
中科院分区:
医学2区
文献类型:
--
作者:
Miller, Lisa M. Soederberg;Cassady, Diana L.

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食品标签上的营养信息是营养信息的一个重要来源,但通常未被消费者充分利用。本综述研究了消费者营养知识是否对通过包装食品标签传达营养信息很重要。认知加工模型假定,具有先验知识的消费者更有可能有效地使用标签信息,即关注突出信息,理解信息,并根据这些信息做出健康的决策。与这一模式相一致,审查发现营养知识为食品标签的使用提供了支持。然而,营养知识衡量标准在所包括的层面和评估的广泛性方面差异很大。与营养成分标签相比,相对较少的研究调查了使用配料表和声明的知识影响。我们还发现,人们过度依赖于年轻人的便利样品,这限制了我们对知识如何支持晚年食品标签使用的理解。未来的研究应该:1)调查营养知识的哪些维度或形式对食品标签的使用和饮食决策最关键; 2)确定营养知识的增加是否可以促进食品标签上营养信息的大量使用。
Nutrition information on food labels is an important source of nutrition information but is typically underutilized by consumers. This review examined whether consumer nutrition knowledge is important for communication of nutrition information through labels on packaged foods. A cognitive processing model posits that consumers with prior knowledge are more likely to use label information effectively, that is, focus on salient information, understand information, and make healthful decisions based on this information. Consistent with this model, the review found that nutrition knowledge provides support for food label use. However, nutrition knowledge measures varied widely in terms of the dimensions they included and the extensiveness of the assessment. Relatively few studies investigated knowledge effects on the use of ingredient lists and claims, compared to nutrition facts labels. We also found an overreliance on convenience samples relying on younger adults, limiting our understanding of how knowledge supports food label use in later life. Future research should 1) investigate which dimensions, or forms, of nutrition knowledge are most critical to food label use and dietary decision making and 2) determine whether increases in nutrition knowledge can promote great use of nutrition information on food labels.
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