Efficacy of front-of-pack warning label system versus guideline for daily amount on healthfulness perception, purchase intention and objective understanding of nutrient content of food products in Guatemala: a cross-over cluster randomized controlled experiment.
Archives of public health = Archives belges de sante publique（2023）
摘要
FOPWL reduces products' healthfulness perception and purchase intention, and increases understanding of products' nutrient content compared to GDA.
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关键词
Food labelling, Warning label system, GDA, Guatemala
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