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Salud Pública de México
Print version ISSN 0036-3634
Abstract
HERNANDEZ-NAVA, Liliana Guadalupe et al. Impact of different front-of-pack nutrition labels on foods according to their nutritional quality: a comparative study in Mexico. Salud pública Méx [online]. 2019, vol.61, n.5, pp.609-618. Epub Aug 07, 2020. ISSN 0036-3634. https://doi.org/10.21149/10318.
Objective:
This study aimed to compare consumers’ objective understanding of five FoPLs [Health Star Rating system (HSR), Multiple Traffic Lights (MTL), Nutri-Score, Reference Intakes (RIs), Warning Symbol] in Mexico.
Materials and methods:
1 001 Mexican consumers were recruited and asked to rank three sets of label-free products according to their nutritional quality, via a survey. Upon completion of this task, participants were randomized to one of five FoPL conditions and were again asked to rank the same sets of products, this time with a FoPL displayed on pack. Change in ability to correctly rank products across the two tasks was assessed by FoPL using ordinal logistic regression.
Results:
Nutri-Score and MTL performed best, followed Warning Symbol, HSR and RIs.
Conclusion:
Nutri-Score and MTL appear as efficient schemes to inform consumers on the nutritional quality of foods, in particular in Mexico, where it would be a helpful tool for consumers in purchasing situations.
Keywords : Food labelling; behavior; consumer; nutrition policy.