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Impact of different front-of-pack nutrition labels on online food choices

dc.contributor.authorSantos, Osvaldo
dc.contributor.authorAlarcão, Violeta
dc.contributor.authorSantos, Rodrigo
dc.contributor.authorFernandes, João Paulo
dc.contributor.authorVirgolino, Ana
dc.contributor.authorSena, Catarina
dc.contributor.authorVieira, Carlota Pacheco
dc.contributor.authorGregório, Maria João
dc.contributor.authorNogueira, Paulo Jorge
dc.contributor.authorGraça, Pedro
dc.contributor.authorCosta, Andreia
dc.date.accessioned2020-09-07T13:25:53Z
dc.date.available2020-09-07T13:25:53Z
dc.date.issued2020
dc.description© 2020 Published by Elsevier Ltd.pt_PT
dc.description.abstractFront-of-pack nutrition labels (FOP-NL) are efficient tools for increasing consumers' awareness of the nutritional quality of food products, prompting healthier food choices. The main goal of this study was to evaluate the impact of four FOP-NL schemes - Traffic Light label (TL), Guideline Daily Amounts (%GDA), Nutri-Score (NS) and Health Star Rating (HSR) - on consumers' selection of food products according to perceived nutritional quality. A cross-sectional open-label crossover randomized controlled study was carried out among Portuguese consumers. A web-based questionnaire was used to assess participants' a) preferences regarding FOP-NLs and b) capacity to select healthy products in a food selection task using the information from FOP-NL schemes. When performing the selection task, participants had the option to indicate that they could not decide simply based on the presented FOP-NL (requiring more information). Overall, 357 adults participated in the study. Regarding consumers' preferences, TL received the most favorable responses, while NS received the fewest. All FOP-NLs performed better than the no-nutritional label control condition in the food selection task. The highest proportion of correct choices was obtained for TL (72.3%), followed by HSR (70.9%), %GDA (70.0%) and NS (62.2%), though no significant differences were found among FOP-NLs. Percentages of respondents indicating not being able to answer due to lack of information affected the proportion of correct choices, with 10.3% for TL, 12.9% for %GDA, 14.6% for HSR, and 25.8% for NS, indicating they were unable to choose without additional information. Although no particular FOP-NL system stood out as the most significantly effective, TL was the most preferred by Portuguese adults. Long-term real-world evidence is necessary to assess the impact of FOP-NL systems on individuals’ food choices.pt_PT
dc.description.sponsorshipThis project was supported by the Portuguese Directorate-General of Health (DGS). The writing of the manuscript was also supported by funds from Fundação para a Ciência e a Tecnologia to the Instituto de Saúde Ambiental, Faculdade de Medicina, Universidade de Lisboa (UIDB/04295/2020). The research team, which includes some elements from DGS, had total autonomy for the study design, data collection, analysis, interpretation of data and manuscript writing.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAppetite 154 (2020) 104795pt_PT
dc.identifier.doi10.1016/j.appet.2020.104795pt_PT
dc.identifier.issn0195-6663
dc.identifier.urihttp://hdl.handle.net/10451/44314
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationEnvironmental Health Institute
dc.relation.publisherversionhttps://www.sciencedirect.com/journal/appetitept_PT
dc.subjectCommunity healthpt_PT
dc.subjectHealth promotionpt_PT
dc.subjectFood choicept_PT
dc.subjectNudgept_PT
dc.subjectEffectiveness assessmentpt_PT
dc.subjectSurveypt_PT
dc.titleImpact of different front-of-pack nutrition labels on online food choicespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberUIDB/04295/2020
oaire.awardTitleEnvironmental Health Institute
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04295%2F2020/PT
oaire.citation.startPage104795pt_PT
oaire.citation.titleAppetitept_PT
oaire.citation.volume154pt_PT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameSantos
person.familyNameAlarcão
person.familyNameFernandes
person.familyNameVirgolino
person.familyNameNogueira
person.familyNameJorge Silva da Costa
person.givenNameOsvaldo
person.givenNameVioleta
person.givenNameJoão Paulo
person.givenNameAna
person.givenNamePaulo Jorge
person.givenNameAndreia
person.identifier1013768
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person.identifier.ciencia-id071D-4FEB-416D
person.identifier.orcid0000-0002-0836-4314
person.identifier.orcid0000-0002-4807-5904
person.identifier.orcid0000-0002-6317-9445
person.identifier.orcid0000-0003-0428-6643
person.identifier.orcid0000-0001-8316-5035
person.identifier.orcid0000-0002-2727-4402
person.identifier.ridL-3256-2015
person.identifier.ridAAR-5605-2020
person.identifier.scopus-author-id24342657400
person.identifier.scopus-author-id56538593800
person.identifier.scopus-author-id7005428250
person.identifier.scopus-author-id57221614154
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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