NCT03654586

Effects of Sugary Drink Warning Labels

A Randomized-controlled Experiment on the Effects of Sugary Drink Warning Labels

• Status: Terminated
• Phase: N/A
• Study type: Interventional
• Enrollment: 337 (actual)
• Sponsor: University of Pennsylvania · Academic / Other
• Sex: All
• Age: 18 Years
• Healthy volunteers: Accepted

Summary

The primary objective of this study is to determine to what degree sugary drink warning labels increase consumers' knowledge about the potential health harms of sugary drinks and reduce sugary drink intake. The study is designed to answer three additional questions: 1) Do some warning labels work better than others? 2) What is the effect of warning labels over time? 3) If warning labels influence behavior, is it because they increase knowledge or simply provide a salient reminder that some drinks are less healthy? This study will test the effect of repeated exposure to warning labels on total calories purchased over time and assess whether knowledge or salience better explain label effects.

Conditions

• Obesity
• Diabetes
• Weight Gain

Interventions

Type	Name	Description
BEHAVIORAL	Sugary drink warning labels	The description of each intervention appears in the descriptions of the experimental arms.

Timeline

• Start date: 2018-07-30
• Primary completion: 2020-03-12
• Completion: 2020-03-12
• First posted: 2018-08-31
• Last updated: 2021-04-23

Locations

1 site across 1 country: United States