Study on Sugar Warnings and Weight Bias

This study is looking at how different labels on sugary drinks affect people's views on weight. Researchers want to see if labels saying "HIGH IN ADDED SUGAR" change how people think about body weight compared to a neutral barcode label. You would be assigned to see either the neutral control label or the added sugar warning label on sugary drinks in a special store. The study aims to enroll about 543 adults, aged 18 and older, who have bought sugary drinks recently. Success for this study means understanding if these warning labels influence explicit weight bias (how people openly express their attitudes about weight). The study's current status is unclear.

Study design
This is an interventional study with about 543 participants. Participants will be randomly assigned to view either control labels or added sugar warning labels.
What's involved
You would attend four in-person study appointments, spaced approximately one week apart. During each visit, you would shop for beverages and complete a computer survey.
Compensation
Not stated in the trial record.
Follow-up
Your explicit weight bias will be assessed via survey at the first and last visits, approximately 4 weeks apart.

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NCT07346001

Impacts of Sugar Warnings on Weight Bias

Recruiting
NAAges 18+InterventionalPrevention
University of North Carolina, Chapel Hill
~543 participants
Updated 2026-04-16 on ClinicalTrials.gov
What's tested:Control labelAdded sugar warning

At a glance

Recruiting sites
1 of 1 listed site is recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
Explicit weight bias, mean score
Measured over Assessed via survey after exposure to intervention (i.e., shopping task) 2 times approximately 4 weeks apart (i.e., in visits 1 and 4)
Nutrition
Diet Interventions
1 sites across 1 states
North Carolina1
  • Aline D'Angelo Campos, PhD, MPP · PRINCIPAL_INVESTIGATOR · University of North Carolina, Chapel Hill

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Eligibility criteria

Inclusion

18 years and older
Bought sugary drinks from a store at least once during the past week
Willing to attend 4 in-person study appointments
  • Explicit weight bias, mean scoreAssessed via survey after exposure to intervention (i.e., shopping task) 2 times approximately 4 weeks apart (i.e., in visits 1 and 4)

    Explicit weight bias will be measured by survey through seven items. Items will present participants with pairs of antonyms and ask that they select the box between antonyms that they feel best describes their feelings and beliefs about people with obesity: (1) lazy - hard-working, (2) no will power - has will power, (3) good self - control - poor self-control, (4) active - inactive, (5) self-indulgent - self-sacrificing, (6) dislikes food - likes food, (7) undereats - overeats. Response options, which will be presented as 5 boxes between antonyms, will be coded in a categorical 1-5 range, where higher scores represent higher endorsement of a stereotype that contributes to weight bias. Each participant's responses to each item will then be averaged across the seven items to obtain their final score on the outcome in a 1-5 range, where higher scores represent higher explicit weight bias.