Sugary Drink Labeling Study
2 other identifiers
interventional
543
1 country
1
Brief Summary
This study aims to examine the effects of added sugar warning labels on sugary drinks. Participants will be assigned to view either added sugar warning labels or control labels, applied on sugary drinks in an experimental store. Participants will shop for beverages in the store and take a computer survey at 4 visits spaced approximately 1 week apart.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Feb 2026
Typical duration for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
December 11, 2025
CompletedFirst Posted
Study publicly available on registry
December 19, 2025
CompletedStudy Start
First participant enrolled
February 16, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 1, 2028
ExpectedStudy Completion
Last participant's last visit for all outcomes
February 1, 2028
February 17, 2026
February 1, 2026
2 years
December 11, 2025
February 16, 2026
Conditions
Outcome Measures
Primary Outcomes (1)
Amount of added sugars purchased from sugary drinks
Measured using purchase data for sugary drinks, defined as drinks that contain at least 20% of the daily value for added sugar. The total amount of added sugars (in grams) in all sugary drinks purchased will be calculated.
Assessed once a week for up to 4 weeks, starting on the day of enrollment.
Secondary Outcomes (8)
Amount of total sugars purchased from all beverages
Assessed once a week for up to 4 weeks, starting on the day of enrollment.
Volume of sugary drinks consumed in the past 7 days
Assessed 1 time, approximately 3 weeks after enrollment.
Intentions to reduce sugary drink consumption
Assessed once a week for up to 4 weeks, starting on the day of enrollment.
Forgoing sugary drinks
Assessed approximately 1 week, 2 weeks, and 3 weeks after enrollment.
Learning something new
Assessed once, approximately 3 weeks after enrollment.
- +3 more secondary outcomes
Study Arms (2)
Added sugar warning
EXPERIMENTALControl label
OTHERInterventions
The control label will display a barcode in a square shape. These labels will be placed on the front of sugary drink containers in the experimental store.
The added sugar warning will say "High in added sugar." The warning will be in an octagon-shaped label. These warnings will be placed on the front of sugary drink containers in the experimental store.
Eligibility Criteria
You may qualify if:
- years and older
- Bought sugary drinks from a store at least once during the past week
- Willing to attend 4 in-person study appointments
You may not qualify if:
- Living in the same household as someone else in the study
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
The University of North Carolina at Chapel Hill
Chapel Hill, North Carolina, 27514, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Marissa Hall, PhD
University of North Carolina, Chapel Hill
- PRINCIPAL INVESTIGATOR
Lindsey Smith Taillie, PhD
University of North Carolina, Chapel Hill
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 11, 2025
First Posted
December 19, 2025
Study Start
February 16, 2026
Primary Completion (Estimated)
February 1, 2028
Study Completion (Estimated)
February 1, 2028
Last Updated
February 17, 2026
Record last verified: 2026-02
Data Sharing
- IPD Sharing
- Will not share