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
3916 participants
INTERVENTIONAL
2025-07-14
2025-08-31
Brief Summary
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Do non-nutritive sweetener warning labels improve consumers' ability to identify when a product contains non-nutritive sweeteners?
Do non-nutritive sweetener warning labels impact on consumers' selection of non-nutritive sweetener-sweetened, unsweetened, and/or sugar-sweetened products for their children?
Participants will be randomly assigned to 1 of 3 types of labels and view their assigned label on 3 sets of products. Each set will display 4 similar products: one unsweetened, one sweetened with sugar, one sweetened with non-nutritive sweeteners, and one sweetened with both sugar and non-nutritive sweeteners. For each set, participants will identify which product(s) contain NNS and select the product that they would purchase for their child. Researchers will compare results across label types.
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Detailed Description
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Participants will view their assigned label on 4 similar products (one unsweetened, one sweetened with sugar, one sweetened with non-nutritive sweeteners, and one sweetened with both sugar and non-nutritive sweeteners) displayed in random order and complete a task where they identify which product(s) contain non-nutritive sweeteners and select one of the products to purchase for their child. During this task, in all arms, products will also display Chile's current nutrient warning labels when applicable. This task will be repeated 3 times, each time with a different product category (i.e., fruit drinks, yogurts, breakfast cereals), with categories displayed in random order.
After the selection/identification tasks, participants will view their assigned labels on 2 products containing non-nutritive sweeteners (i.e., flavored milk and cereal bar). For each product, participants will rate the perceived message effectiveness of the label and perceived product healthfulness. Lastly, after all product exposures, participants will rate their intentions to limit their child's non-nutritive sweetener consumption.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
PREVENTION
NONE
Study Groups
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Control
Control
Products carry neutral control label when containing non-nutritive sweeteners. Additionally, to match the current Chilean legislation, products carry an octagonal label that states "high in sugar" when high in added sugars, and/or an octagonal label that states "high in calories" when high in calorie density.
Chilean non-nutritive sweetener label
Chilean non-nutritive sweetener label
Products carry rectangular label that states "contains non-nutritive sweeteners, not recommended for children" when containing non-nutritive sweeteners. Additionally, to match the current Chilean legislation, products carry an octagonal label that states "high in sugar" when high in added sugars, and/or an octagonal label that states "high in calories" when high in calorie density.
Colombian non-nutritive sweetener label
Colombian non-nutritive sweetener label
Products carry octagonal label that states "contains non-nutritive sweeteners " when containing non-nutritive sweeteners. Additionally, to match the current Chilean legislation, products carry an octagonal label that states "high in sugar" when high in added sugars, and/or an octagonal label that states "high in calories" when high in calorie density.
Interventions
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Control
Products carry neutral control label when containing non-nutritive sweeteners. Additionally, to match the current Chilean legislation, products carry an octagonal label that states "high in sugar" when high in added sugars, and/or an octagonal label that states "high in calories" when high in calorie density.
Chilean non-nutritive sweetener label
Products carry rectangular label that states "contains non-nutritive sweeteners, not recommended for children" when containing non-nutritive sweeteners. Additionally, to match the current Chilean legislation, products carry an octagonal label that states "high in sugar" when high in added sugars, and/or an octagonal label that states "high in calories" when high in calorie density.
Colombian non-nutritive sweetener label
Products carry octagonal label that states "contains non-nutritive sweeteners " when containing non-nutritive sweeteners. Additionally, to match the current Chilean legislation, products carry an octagonal label that states "high in sugar" when high in added sugars, and/or an octagonal label that states "high in calories" when high in calorie density.
Eligibility Criteria
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Inclusion Criteria
* Parent or guardian of child between 2-14 years old who has never been diagnosed with diabetes, high blood sugar, pre-diabetes or insulin resistance
* Residing in Chile
Exclusion Criteria
* Not parent or guardian of child between 2-14 years old who has never been diagnosed with diabetes, high blood sugar, pre-diabetes or insulin resistance
* Not residing in Chile
18 Years
ALL
Yes
Sponsors
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Instituto de Nutrición y Tecnología de los Alimentos
OTHER
Bloomberg Philanthropies
OTHER
University of North Carolina, Chapel Hill
OTHER
Responsible Party
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Principal Investigators
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Lindsey Smith Taillie, PhD
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
Countries
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Provided Documents
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Document Type: Study Protocol and Statistical Analysis Plan
Other Identifiers
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24-2205
Identifier Type: OTHER_GRANT
Identifier Source: secondary_id
24-2896a
Identifier Type: -
Identifier Source: org_study_id
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