Testing Product Messages for Colombia

NCT ID: NCT04567004

Last Updated: 2023-03-15

Study Results

Results pending

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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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

8071 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-10-01

Study Completion Date

2020-10-08

Brief Summary

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Purpose: To better understand the impact of different front-of-package labels (FOPLs) on consumer purchasing intentions and ability to identify unhealthy foods.

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.

Detailed Description

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Participants will be recruited from Offerwise (an online panel research company). Following online consent, participants will be randomly assigned to view different labels (explained below) on food and drink packaging. Participants will answer self-reported responses to the content (e.g., elaboration, beliefs, perceived healthfulness). After being randomized to one of the four groups and answering questions (e.g. which product is healthier, which product would you buy), the participant will see all three labels and select which is most dissuading from consuming a product high in a nutrient. At the end, the participant will answer demographic questions.

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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Obesity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Control

The control arm will show the products with no label.

Group Type OTHER

Control

Intervention Type OTHER

Participants will be shown images of juice, bread, yogurt, cookies, and cereal without any added front-of-package labels.

Nutriscore Label

The Nutriscore label applies a letter grade (A, B, C, D or E) to a product based on certain nutrient criteria.

Group Type EXPERIMENTAL

Nutriscore Label

Intervention Type OTHER

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

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"

Group Type EXPERIMENTAL

Adapted Peruvian Nutrient Label

Intervention Type OTHER

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

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.

Group Type EXPERIMENTAL

Guideline Daily Amount Label

Intervention Type OTHER

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.

Intervention Type OTHER

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.

Intervention Type OTHER

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.

Intervention Type OTHER

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.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* 18-64 years old
* Resident of Colombia
* Offerwise panel member (recruitment platform)

Exclusion Criteria

* \<18 years old or \>64 years old
* Not a resident of Colombia
Minimum Eligible Age

18 Years

Maximum Eligible Age

64 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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The Bloomberg Family Foundation, Inc.

OTHER

Sponsor Role collaborator

University of North Carolina, Chapel Hill

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

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

Site Status

Countries

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United States

References

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Mora-Plazas M, Aida Higgins IC, Gomez LF, Hall M, Parra MF, Bercholz M, Murukutla N, Taillie LS. Impact of nutrient warning labels on choice of ultra-processed food and drinks high in sugar, sodium, and saturated fat in Colombia: A randomized controlled trial. PLoS One. 2022 Feb 10;17(2):e0263324. doi: 10.1371/journal.pone.0263324. eCollection 2022.

Reference Type DERIVED
PMID: 35143553 (View on PubMed)

Provided Documents

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Document Type: Statistical Analysis Plan

View Document

Other Identifiers

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20-0401a

Identifier Type: -

Identifier Source: org_study_id

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