Artigo em revista científica Q2
Effectiveness of interpretive front-of-pack nutritional labelling schemes on the promotion of healthier food choices
Rodrigo Feteira-Santos (Feteira-Santos, R.); João Fernandes (Fernandes, J.); Ana Virgolino (Virgolino, A.); Violeta Alarcão (Alarcão, V.); Catarina Sena (Sena, C.); Carlota Vieira (Vieira, C.); Maria João Gregório (Gregório, M. J.); Nogueira, Paulo (Nogueira, P.); Andreia Silva Costa (Costa, A.); Pedro Graça (Graça, P.); Osvaldo Santos (Santos, O.); et al.
Título Revista
International Journal of Evidence-Based Healthcare
Ano
2019
Língua
Inglês
País
Austrália
Mais Informação
Web of Science®

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(Última verificação: 2020-10-16 11:26)

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Scopus

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(Última verificação: 2020-10-21 02:21)

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: 0.5
Abstract/Resumo
Aims: Interpretive front-of-package nutrition labelling can contribute to healthier food habits. This systematic review aimed to examine the effectiveness of interpretive front-of-package nutrition labelling schemes on consumers’ food choices, namely at the moment of food purchase, and to analyse if this potential front-of-package nutrition labelling's effect varies according to different socioeconomic groups. Methods: Electronic databases (Cochrane Library, PubMed, Scopus, and Web of Science) search was performed to identify peer-reviewed articles describing longitudinal studies evaluating the effect of front-of-package nutrition labelling schemes on consumers’ food choices, according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA)-Equity 2012 Extension guidelines. No publication-period or language restrictions were applied. PROGRESS-Plus framework was used to report if and how socioeconomic factors were considered in analyses of front-of-package nutrition labelling-related interventions’ effect. Results: Nine studies were selected for narrative synthesis (seven randomized controlled trials and two cross-over trials). When compared with no-interpretive-label conditions, front-of-package nutrition labelling showed a positive impact for nutritional content understanding, healthiness perception of products, selection of products with better nutritional quality, and purchase intention. However, there is no robust evidence of superiority of a specific front-of-package nutrition labelling scheme's effect, neither on consumers’ understanding of nutritional content nor on food choices. An evaluation of the studies following the PROGRESS-Plus framework revealed that socioecononomic status and education were the most frequently used dimensions, when assessing the effect of interpretative front-of-pack nutrition labels. More evidence is necessary to determine the role of front-of-pack nutrition labels in decreasing inequalities between different population subgroups, namely among the most vulnerable subgroups, on the promotion of healthy food choices. Conclusion: Well controlled longitudinal studies, following a real-world evidence approach, are needed to clarify front-of-package nutrition labelling's impact on consumers’ food choices, namely at purchase points, taking into account the most vulnerable population subgroups, such as those with lower literacy and/or financial resources.
Agradecimentos/Acknowledgements
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Palavras-chave
Food label,Health equity,Health promotion,Nutrition,Social determinants of health
  • Medicina Clínica - Ciências Médicas
  • Ciências da Saúde - Ciências Médicas
Registos de financiamentos
Referência de financiamento Entidade Financiadora
UID/SOC/03126/2013 Fundação para a Ciência e a Tecnologia

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