Influence of nutrition claims on different models of front-of-package nutritional labeling in supposedly healthy foods: impact on the understanding of nutritional information, healthfulness perception, and purchase intention of Brazilian consumers

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dc.creatorSarah Morais Senna Prates
dc.creatorIlka Afonso Reis
dc.creatorCarlos Felipe Urquizar Rojas
dc.creatorCarla Galvão Spinillo
dc.creatorLucilene Rezende Anastácio
dc.date.accessioned2025-01-24T19:05:22Z
dc.date.accessioned2025-09-08T23:19:11Z
dc.date.available2025-01-24T19:05:22Z
dc.date.issued2022-09
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Gerais
dc.format.mimetypepdf
dc.identifier.doi10.3389/fnut.2022.921065
dc.identifier.issn2296861X
dc.identifier.urihttps://hdl.handle.net/1843/79477
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofFrontiers in Nutrition
dc.rightsAcesso Aberto
dc.subjectRótulos
dc.subjectInformação nutricional
dc.subjectAlimentos
dc.subjectConsumidor
dc.subject.otherRotulagem de alimentos
dc.subject.otherRótulos de advertência
dc.subject.otherPercepção de consumo
dc.subject.otherPolítica nutricional
dc.subject.otherPesquisa de consumo
dc.titleInfluence of nutrition claims on different models of front-of-package nutritional labeling in supposedly healthy foods: impact on the understanding of nutritional information, healthfulness perception, and purchase intention of Brazilian consumers
dc.typeArtigo de periódico
local.citation.epage18
local.citation.spage1
local.citation.volume9
local.description.resumoNutrition claims are positive information about foods, which are widely used as a marketing strategy on labels. On the contrary, front-of-package nutritional labeling (FoPNL) aims to make it easier for consumers to understand the nutritional composition of foods and favor healthy food choices. However, the concomitant presence of nutrition claims and FoPNL may hinder the understanding, judgment, and choices of consumers at the moment of purchase. Therefore, the objective of this study was to evaluate the influence of nutrition claims on the efficacy of FoPNL models in the understanding of nutritional information, healthfulness perception, and purchase intention of Brazilian consumers. It was an experimental cross-sectional study carried out using an online questionnaire, with a total of 720 participants randomly divided into four FoPNL conditions: control, octagon, triangle, and magnifying glass. Each participant looked at 12 food packages, which were produced following the factorial design: (i) food category (cereal bar, whole grain cookies, and snacks); (ii) product type (containing one critical nutrient × containing two critical nutrients); and (iii) nutrition claims (present × absent). The comprehension of nutritional information was evaluated through the identification of excessive nutrients, and the healthfulness perception and purchase intention were evaluated using a seven-point scale. The results indicated that the presence of FoPNL increased the understanding of the information and reduced healthfulness perception and purchase intention. The presence of nutrition claims influenced the three outcomes, decreasing the probability of understanding information about food composition by 32% (OR 0.68, 95% confidence interval 0.58-0.78, p < 0.01) and significantly increasing (p < 0.05) average health scores (1.95-2.02) and purchase intention (2.00-2.05). Nonetheless, the interaction "FoPNL × claims" was not significant, which indicated that claims act independently. All FoPNL models were more effective than the control. For the least healthful type of product (two nutrients in excess), the octagon and triangle models were superior to the magnifying glass, regarding the outcome of healthfulness perception. The results prove the efficacy of FoPNL in consumer understanding and judgment. Despite the positive effects of FoPNL, it did not cancel the positivity bias generated by the claims.
local.publisher.countryBrasil
local.publisher.departmentFAR - DEPARTAMENTO DE ALIMENTOS
local.publisher.departmentICX - DEPARTAMENTO DE ESTATÍSTICA
local.publisher.initialsUFMG
local.url.externahttps://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2022.921065/full

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