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Impact of Front-of-package Labels on Weight Bias Among Latines

NCT ID: NCT06293937

Last Updated: 2024-12-05

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

3306 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-08-09

Study Completion Date

2024-09-11

Brief Summary

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The goal of this experiment is to examine the effects on explicit weight bias of a selection task using 4 different types of front-of-package food labels to select healthy or unhealthy foods among a sample of Latine and low English proficiency adults. The main questions this experiment aims to answer are:

* Does the use of different front-of-package label designs in a selection task lead to different effects on explicit weight bias among Latine and low English proficiency consumers?
* Does the use of different front-of-package label designs in a selection task lead to different effects on attribution of personal responsibility for body weight among Latine and low English proficiency consumers?

Participants will be randomly assigned to 1 of 4 types of front-of-package label designs. They will view 3 sets of products (frozen meals, frozen pizzas, and frozen desserts), shown in random order. For each product set, participants will view 3 products shown in random arrangement, each with participants' randomly assigned label shown on the front of package. After viewing all 3 product types, participants will answer questions about explicit weight bias and attribution of responsibility for body weight. Researchers will compare results across label designs.

Detailed Description

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This study aims to determine if the use of different front-of-package label types in a selection task leads to different effects on explicit weight bias and attribution of responsibility for body weight among Latine and low English proficiency (LEP) consumers. A Latine-focused panel company will recruit 4,000 US Latine adults of parental age (18-55 years), approximately 50% of whom will have low English proficiency (LEP). In a between-subjects experiment, researchers will randomize participants to 1 of 4 types of front-of-package labels: a numerical label, an interpretive text-only label, an interpretive label with a magnifying glass icon, or separated interpretive labels with a magnifying glass icon. Participants will first perform a selection task for a parent study in which they will view their assigned label on 3 sets of products (with 3 products per set) and select the product they believe is most and least healthy and the product they most want to purchase. After this selection task, participants will answer questions measuring this study's outcomes: explicit weight bias (primary outcome) and attribution of personal responsibility of body weight (secondary outcome).

Conditions

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Weight Prejudice

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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Numerical label

Group Type EXPERIMENTAL

Numerical label

Intervention Type BEHAVIORAL

Labels that list the amount and percent of daily value of added sugar, sodium, or saturated fat, modeled after Guideline Daily Amounts labels.

Interpretive text-only label

Group Type EXPERIMENTAL

Interpretive text-only label

Intervention Type BEHAVIORAL

Interpretive text-only labels that state when a product contains high amounts of added sugar, sodium, or saturated fat.

Interpretive magnifying glass icon label

Group Type EXPERIMENTAL

Interpretive magnifying glass icon label

Intervention Type BEHAVIORAL

Interpretive labels that state when a product contains high amounts of added sugar, sodium, or saturated fat, containing a magnifying glass icon.

Separated interpretive magnifying glass icon label

Group Type EXPERIMENTAL

Separated interpretive magnifying glass icon label

Intervention Type BEHAVIORAL

Interpretive labels that state when a product contains high amounts of added sugar, sodium, or saturated fat, containing a magnifying glass icon. Each nutrient will be on a separate label.

Interventions

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Numerical label

Labels that list the amount and percent of daily value of added sugar, sodium, or saturated fat, modeled after Guideline Daily Amounts labels.

Intervention Type BEHAVIORAL

Interpretive text-only label

Interpretive text-only labels that state when a product contains high amounts of added sugar, sodium, or saturated fat.

Intervention Type BEHAVIORAL

Interpretive magnifying glass icon label

Interpretive labels that state when a product contains high amounts of added sugar, sodium, or saturated fat, containing a magnifying glass icon.

Intervention Type BEHAVIORAL

Separated interpretive magnifying glass icon label

Interpretive labels that state when a product contains high amounts of added sugar, sodium, or saturated fat, containing a magnifying glass icon. Each nutrient will be on a separate label.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Identifying as Latine or Hispanic
* Ages 18-55 years old
* Residing in the United States

Exclusion Criteria

* Not identifying as Latine or Hispanic
* Less than 18 or greater than 55 years old
* Not residing in the United States
Minimum Eligible Age

18 Years

Maximum Eligible Age

55 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Duke University

OTHER

Sponsor Role collaborator

Stanford University

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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Aline D'Angelo Campos, MPP

Role: PRINCIPAL_INVESTIGATOR

University of North Carolina, Chapel Hill

Locations

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The University of North Carolina at Chapel Hill's Gillings School of Global Public Health

Chapel Hill, North Carolina, United States

Site Status

Countries

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United States

Provided Documents

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Document Type: Study Protocol and Statistical Analysis Plan

View Document

Other Identifiers

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24-0300b

Identifier Type: -

Identifier Source: org_study_id