Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
8086 participants
INTERVENTIONAL
2023-05-12
2023-06-22
Brief Summary
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Participants: \~8,000 Colombians, recruited from Offerwise, that are 18 years or older.
Procedures (methods): Participants will be randomly assigned to view images of food and drink products with either a nutrient warning label, Guideline Daily Amount label, Nutriscore label, or no-label control. They will be asked a series of questions about the products and the labels (excluding control group) on them. Questions will also include standard demographic and health related variables.
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Detailed Description
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Participants will be randomized to see either a no-label control or 1 of 3 nutrient labels. The participants will see 5 types of products with the labels (fruit drinks, yogurt, sliced bread, cookies, and breakfast cereal).
Nutrient labels:
1. Guideline Daily Amount label
2. Nutriscore label
3. Adapted Peruvian nutrient warning label (high in sugar, high in saturated fat, high in salt/sodium)
Conditions
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Study Design
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RANDOMIZED
PARALLEL
PREVENTION
NONE
Study Groups
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Control
The control arm will show the products with no label.
Control
Participants will be shown images of juice, bread, yogurt, cookies, and cereal without any added front-of-package labels.
Experimental: Nutriscore Label
The Nutriscore label applies a letter grade (A, B, C, D or E) to a product based on certain nutrient criteria.
Nutriscore Label
A front-of-package Nutriscore label will be applied to images of juice, bread, yogurt, cookies, and cereal. This label applies a score of A, B, C, D, or E based on the product's nutrition profile.
Experimental: Adapted Peruvian Nutrient Label
The adapted label is a black octagon with the words in Spanish saying "Excess of sugar,"Excess of saturated fat," or "Excess of salt/sodium" depending on the nutrition contents of the product. Below the octagon is a box with words in Spanish saying "Avoid high consumption"
Adapted Peruvian Nutrient Label
A front-of-package octagonal nutrient label will be applied to images of juice, bread, yogurt, cookies, and cereal. The label text informs consumers if a product is high in sugar, saturated fat, or salt/sodium. These labels were developed by the Peruvian government and adapted by investigators.
Experimental: Guideline Daily Amount Label
The Guideline Daily Amount label highlights the nutrient contents of the product by serving. It lists the calories, total fat, saturated fat, sugar, and sodium, as well are their % of the daily value.
Guideline Daily Amount Label
A front-of-package Guideline Daily Amount label will be applied to images of juice, bread, yogurt, cookies, and cereal. The label shows the amount and percent of daily value of calories, total fat, saturated fat, sugar, and sodium in one serving of a product.
Interventions
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Control
Participants will be shown images of juice, bread, yogurt, cookies, and cereal without any added front-of-package labels.
Nutriscore Label
A front-of-package Nutriscore label will be applied to images of juice, bread, yogurt, cookies, and cereal. This label applies a score of A, B, C, D, or E based on the product's nutrition profile.
Adapted Peruvian Nutrient Label
A front-of-package octagonal nutrient label will be applied to images of juice, bread, yogurt, cookies, and cereal. The label text informs consumers if a product is high in sugar, saturated fat, or salt/sodium. These labels were developed by the Peruvian government and adapted by investigators.
Guideline Daily Amount Label
A front-of-package Guideline Daily Amount label will be applied to images of juice, bread, yogurt, cookies, and cereal. The label shows the amount and percent of daily value of calories, total fat, saturated fat, sugar, and sodium in one serving of a product.
Eligibility Criteria
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Inclusion Criteria
* Resident of Colombia
* Offerwise panel member (recruitment platform)
Exclusion Criteria
* Not a resident of Colombia
18 Years
64 Years
ALL
Yes
Sponsors
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Universidad Nacional de Colombia
OTHER
The Bloomberg Family Foundation, Inc.
OTHER
University of North Carolina, Chapel Hill
OTHER
Responsible Party
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Principal Investigators
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Lindsey S Taillie, PhD
Role: PRINCIPAL_INVESTIGATOR
University of North Carolina, Chapel Hill
Locations
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UNC Carolina Population Center
Chapel Hill, North Carolina, United States
Countries
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References
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Mora-Plazas M, Higgins ICA, Gomez LF, Hall MG, Parra MF, Bercholz M, Murukutla N, Taillie LS. Impact of nutrient warning labels on Colombian consumers' selection and identification of food and drinks high in sugar, sodium, and saturated fat: A randomized controlled trial. PLoS One. 2024 Jun 10;19(6):e0303514. doi: 10.1371/journal.pone.0303514. eCollection 2024.
Provided Documents
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Document Type: Study Protocol, Statistical Analysis Plan, and Informed Consent Form
Other Identifiers
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20-0401b
Identifier Type: -
Identifier Source: org_study_id
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