Does front-of-pack nutrition information improve consumer ability to make healthful choices? Performance of warnings and the traffic light system in a simulated shopping experiment

The inclusion of more attention-grabbing and easily interpretable front-of-pack (FOP) nutrition information is one of the public policies that can be implemented to empower consumers to identify unhealthful food products and to make more informed food choices. The aim of the present work was to eval...

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Published inAppetite Vol. 121; pp. 55 - 62
Main Authors Machín, Leandro, Aschemann-Witzel, Jessica, Curutchet, María Rosa, Giménez, Ana, Ares, Gastón
Format Journal Article
LanguageEnglish
Published England Elsevier Ltd 01.02.2018
Subjects
Online AccessGet full text
ISSN0195-6663
1095-8304
1095-8304
DOI10.1016/j.appet.2017.10.037

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Abstract The inclusion of more attention-grabbing and easily interpretable front-of-pack (FOP) nutrition information is one of the public policies that can be implemented to empower consumers to identify unhealthful food products and to make more informed food choices. The aim of the present work was to evaluate the influence of two FOP nutrition labelling schemes – the traffic light labelling and the warning scheme – on consumer food purchases when facing a health goal. The study was conducted with 1182 people from Montevideo (Uruguay), recruited using a Facebook advertisement. Participants were randomly allocated to one of three between-subjects experimental conditions: (i) a control condition with no FOP nutrition information, (ii) FOP nutrition information using a modified version of the traffic light system including information about calorie, saturated fat, sugars and sodium content per portion, and (iii) FOP nutrition information using the Chilean warning system including separate signs for high calorie, saturated fat, sugars and sodium content. Respondents were asked to imagine that they had to purchase food in order to prepare a healthy dinner for themselves and their family, using the website of an online grocery store. Results showed that FOP nutrition information effectively improved the average healthfulness of participants’ choices compared to the control condition, both in terms of the average nutritional composition of the purchased products and expenditure in specific product categories. No relevant differences between the effect of the traffic light and the warning system were found.
AbstractList The inclusion of more attention-grabbing and easily interpretable front-of-pack (FOP) nutrition information is one of the public policies that can be implemented to empower consumers to identify unhealthful food products and to make more informed food choices. The aim of the present work was to evaluate the influence of two FOP nutrition labelling schemes - the traffic light labelling and the warning scheme - on consumer food purchases when facing a health goal. The study was conducted with 1182 people from Montevideo (Uruguay), recruited using a Facebook advertisement. Participants were randomly allocated to one of three between-subjects experimental conditions: (i) a control condition with no FOP nutrition information, (ii) FOP nutrition information using a modified version of the traffic light system including information about calorie, saturated fat, sugars and sodium content per portion, and (iii) FOP nutrition information using the Chilean warning system including separate signs for high calorie, saturated fat, sugars and sodium content. Respondents were asked to imagine that they had to purchase food in order to prepare a healthy dinner for themselves and their family, using the website of an online grocery store. Results showed that FOP nutrition information effectively improved the average healthfulness of participants' choices compared to the control condition, both in terms of the average nutritional composition of the purchased products and expenditure in specific product categories. No relevant differences between the effect of the traffic light and the warning system were found.The inclusion of more attention-grabbing and easily interpretable front-of-pack (FOP) nutrition information is one of the public policies that can be implemented to empower consumers to identify unhealthful food products and to make more informed food choices. The aim of the present work was to evaluate the influence of two FOP nutrition labelling schemes - the traffic light labelling and the warning scheme - on consumer food purchases when facing a health goal. The study was conducted with 1182 people from Montevideo (Uruguay), recruited using a Facebook advertisement. Participants were randomly allocated to one of three between-subjects experimental conditions: (i) a control condition with no FOP nutrition information, (ii) FOP nutrition information using a modified version of the traffic light system including information about calorie, saturated fat, sugars and sodium content per portion, and (iii) FOP nutrition information using the Chilean warning system including separate signs for high calorie, saturated fat, sugars and sodium content. Respondents were asked to imagine that they had to purchase food in order to prepare a healthy dinner for themselves and their family, using the website of an online grocery store. Results showed that FOP nutrition information effectively improved the average healthfulness of participants' choices compared to the control condition, both in terms of the average nutritional composition of the purchased products and expenditure in specific product categories. No relevant differences between the effect of the traffic light and the warning system were found.
The inclusion of more attention-grabbing and easily interpretable front-of-pack (FOP) nutrition information is one of the public policies that can be implemented to empower consumers to identify unhealthful food products and to make more informed food choices. The aim of the present work was to evaluate the influence of two FOP nutrition labelling schemes - the traffic light labelling and the warning scheme - on consumer food purchases when facing a health goal. The study was conducted with 1182 people from Montevideo (Uruguay), recruited using a Facebook advertisement. Participants were randomly allocated to one of three between-subjects experimental conditions: (i) a control condition with no FOP nutrition information, (ii) FOP nutrition information using a modified version of the traffic light system including information about calorie, saturated fat, sugars and sodium content per portion, and (iii) FOP nutrition information using the Chilean warning system including separate signs for high calorie, saturated fat, sugars and sodium content. Respondents were asked to imagine that they had to purchase food in order to prepare a healthy dinner for themselves and their family, using the website of an online grocery store. Results showed that FOP nutrition information effectively improved the average healthfulness of participants' choices compared to the control condition, both in terms of the average nutritional composition of the purchased products and expenditure in specific product categories. No relevant differences between the effect of the traffic light and the warning system were found.
Author Machín, Leandro
Giménez, Ana
Ares, Gastón
Aschemann-Witzel, Jessica
Curutchet, María Rosa
Author_xml – sequence: 1
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  surname: Machín
  fullname: Machín, Leandro
  organization: Centro de Investigación Básica en Psicología, Facultad de Psicología, Universidad de la República, Tristán Narvaja 1674, CP 11200 Montevideo, Uruguay
– sequence: 2
  givenname: Jessica
  surname: Aschemann-Witzel
  fullname: Aschemann-Witzel, Jessica
  organization: MAPP Centre for Research on Customer Relations in the Food Sector, Aarhus University, Bartholins Allé 10, 8000 Aarhus, Denmark
– sequence: 3
  givenname: María Rosa
  surname: Curutchet
  fullname: Curutchet, María Rosa
  organization: Observatorio de Seguridad Alimentaria, Instituto Nacional de Alimentación, Piedras 165, C.P. 11000 Montevideo, Uruguay
– sequence: 4
  givenname: Ana
  surname: Giménez
  fullname: Giménez, Ana
  organization: Sensometrics & Consumer Science, Instituto Polo Tecnológico de Pando, Facultad de Química, Universidad de la República, By Pass de Rutas 8 y 101 s/n, C.P. 91000 Pando, Canelones, Uruguay
– sequence: 5
  givenname: Gastón
  surname: Ares
  fullname: Ares, Gastón
  email: gares@fq.edu.uy
  organization: Centro de Investigación Básica en Psicología, Facultad de Psicología, Universidad de la República, Tristán Narvaja 1674, CP 11200 Montevideo, Uruguay
BackLink https://www.ncbi.nlm.nih.gov/pubmed/29102533$$D View this record in MEDLINE/PubMed
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Keywords Consumer research
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Nutrition information
FOP
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Snippet The inclusion of more attention-grabbing and easily interpretable front-of-pack (FOP) nutrition information is one of the public policies that can be...
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SubjectTerms Choice
Consumer research
dinner
food choices
foods
FOP
grocery stores
Internet
nutrient content
Nutrition information
nutrition labeling
public policy
purchasing
salt content
sugars
Uruguay
Title Does front-of-pack nutrition information improve consumer ability to make healthful choices? Performance of warnings and the traffic light system in a simulated shopping experiment
URI https://dx.doi.org/10.1016/j.appet.2017.10.037
https://www.ncbi.nlm.nih.gov/pubmed/29102533
https://www.proquest.com/docview/1961032667
https://www.proquest.com/docview/2000619574
Volume 121
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