Dataset Information

Development of the Chilean front-of-package food warning label.

ABSTRACT: BACKGROUND:Front-of package (FoP) nutrition labels are an option to guide consumer's decision at the point of food purchase. Chile was the first country worldwide to implement a FoP warning label and thereafter several countries have followed this model. The objective of this study is to describe the process of development of the Chilean FoP warning label. METHODS:A stepwise study was conducted including literature review, qualitative phase (lay audience & expert group meetings) and quantitative phase in women/adolescents from low-middle-socioeconomic status neighborhoods, Santiago, Chile (2 sub-studies, using point-of-sale questionnaires). Outcomes were prototype visualization, ease of understanding, and ability to modify purchase behavior. RESULTS:The literature review and qualitative phase provided information on general text (e.g. short wording) and design characteristics (e.g. use of a logo, use of red or black colors); based on these characteristics 15 prototypes were created and quantitatively tested. In the first survey, a black-&-white stop sign and a black-&-white hand were preselected; in the second survey, the stop sign stating 'Excess of ' had significantly better performance than the hand in terms of visualization, intention to purchase, and ability to modify intended purchase. Due to legal reasons the "excess of" was replaced by "high-in" in the final implementation of the law. CONCLUSIONS:A simple black-&-white stop sign warning label was the best option to flag pre-packaged foods with an excess of energy or nutrients of concern for non-communicable diseases; this FoP warning label was implemented in Chile in June 2016 as part of the Chilean Food Labeling and Marketing Law.

SUBMITTER: Reyes M

PROVIDER: S-EPMC6615240 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature

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Development of the Chilean front-of-package food warning label.

Reyes Marcela M Garmendia María Luisa ML Olivares Sonia S Aqueveque Claudio C Zacarías Isabel I Corvalán Camila C

BMC public health 20190708 1

<h4>Background</h4>Front-of package (FoP) nutrition labels are an option to guide consumer's decision at the point of food purchase. Chile was the first country worldwide to implement a FoP warning label and thereafter several countries have followed this model. The objective of this study is to describe the process of development of the Chilean FoP warning label.<h4>Methods</h4>A stepwise study was conducted including literature review, qualitative phase (lay audience & expert group meetings) a ...[more]

PMID: 31286910

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Project description:BACKGROUND:Front-of-pack (FOP) nutrition warning labels to identify potentially harmful foods/beverages have recently been considered in Singapore. The objective of this study was to pilot test two promising FOP warning labels intended to reduce purchases of products high in sugar to determine whether a full scale trial testing one or both these labels using actual purchases is warranted. METHODS:Five hundred twelve participants ?21?years old and residing in Singapore completed all study elements online via the NUSMart Online Grocery Store study website. The study was designed as a Randomized Controlled Trial (RCT) where consumers were randomized and asked to hypothetically shop in one of three versions of an online grocery store; 1) no FOP label (control), 2) a graphical high-in-sugar label shaped like a stop sign, or 3) a text-based warning label. The proportion of labelled products purchased (primary outcome) and all secondary measures of diet quality were calculated using participants' orders. Ordinary Least Squares (OLS) regression was used to compare purchasing behavior across the three study arms. RESULTS:The proportion of high-in-sugar products selected (i.e., those targeted for labelling) was largest in the no label control arm at 20%. The proportion was a non-statistically significant 2 percentage points lower (P?=?0.146) for the high-in-sugar stop-sign label arm and 4 percentage points lower (P?<?0.05) in the warning label with deterrent text arm. We could not reject the hypothesis of equal effectiveness of the two warning labels (P?=?0.231). CONCLUSIONS:Results suggest that the two health warning labels have potential to reduce demand for high-in-sugar products in Singapore. Future studies should test the influence of these labels using actual purchases in efforts to identify whether either labelling strategy should be considered for adoption in the local setting. TRIAL REGISTRATION:The American Economic Association's registry for randomized controlled trials; AEARCTR-0003800 . Registered 18 January 2019.

Dataset Information

Development of the Chilean front-of-package food warning label.

Publications

Development of the Chilean front-of-package food warning label.

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