Designing Impactful Warnings for Sugary Drinks
1 other identifier
interventional
1,078
1 country
1
Brief Summary
The goal of this online RCT study is to examine how sugar-sweetened beverage (SSB) health warnings influence US adults' perceptions and reactions. The investigators have the following predictions:
- 1.SSB warnings will be perceived as more effective than the control (message topic)
- 2.Icon and graphic warnings will be perceived as more effective than text-only warnings (message type)
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Oct 2019
Shorter than P25 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
Study Start
First participant enrolled
October 7, 2019
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 4, 2019
CompletedStudy Completion
Last participant's last visit for all outcomes
November 4, 2019
CompletedFirst Submitted
Initial submission to the registry
May 6, 2020
CompletedFirst Posted
Study publicly available on registry
May 11, 2020
CompletedJanuary 25, 2021
January 1, 2021
28 days
May 6, 2020
January 22, 2021
Conditions
Outcome Measures
Primary Outcomes (1)
Perceived message effectiveness
Perceived message effectiveness as measured by average response to three statements: This message makes me concerned about the health effects of drinking beverages with added sugar. Response options are on a scale (1=Strongly disagree...5=Strongly agree). This message makes drinking beverages with added sugar seem unpleasant to me. Response options are on a scale (1=Strongly disagree...5=Strongly agree). This message discourages me from wanting to drink beverages with added sugar. Response options are on a scale (1=Strongly disagree...5=Strongly agree).
During survey, which lasts approximately 12-15 minutes.
Secondary Outcomes (3)
Perceived product healthfulness of beverages with added sugar
During survey, which lasts approximately 12-15 minutes.
Intentions to purchase beverages with added sugar
During survey, which lasts approximately 12-15 minutes.
Thinking about the health problems from beverages with added sugar
During survey, which lasts approximately 12-15 minutes.
Study Arms (5)
Added sugar warning message
EXPERIMENTALMessage displayed on warning labels is: "WARNING: High in added sugar."
Weight gain warning message
EXPERIMENTALMessage displayed on warning labels is: "WARNING: Excess consumption of drinks with added sugar contributes to weight gain."
Type 2 diabetes warning message
EXPERIMENTALMessage displayed on warning labels is: "WARNING: Excess consumption of drinks with added sugar contributes to type 2 diabetes."
Heart damage warning message
EXPERIMENTALMessage displayed on warning labels is: "WARNING: Excess consumption of drinks with added sugar contributes to heart damage."
Neutral message
ACTIVE COMPARATORMessage displayed on control label is: "Please refrain from littering."
Interventions
The warning message is in white text on a black square background
The warning message is in white text on a black octagon background
The warning message in in white text on a black background, below an icon that conveys the topic the warning is about
The warning message in in white text on a black background, below a graphic that conveys the topic the warning is about
Eligibility Criteria
You may qualify if:
- at least 18 years old
- Prime Panels member
- have at least one child ages 2-12
- Currently reside in the US
You may not qualify if:
- less than 18 years old
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
University of North Carolina Chapel Hill
Chapel Hill, North Carolina, 27599, United States
Related Publications (1)
Hall MG, Lazard AJ, Grummon AH, Higgins ICA, Bercholz M, Richter APC, Taillie LS. Designing warnings for sugary drinks: A randomized experiment with Latino parents and non-Latino parents. Prev Med. 2021 Jul;148:106562. doi: 10.1016/j.ypmed.2021.106562. Epub 2021 Apr 18.
PMID: 33878350DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Marissa G Hall, PhD
University of North Carolina
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
May 6, 2020
First Posted
May 11, 2020
Study Start
October 7, 2019
Primary Completion
November 4, 2019
Study Completion
November 4, 2019
Last Updated
January 25, 2021
Record last verified: 2021-01
Data Sharing
- IPD Sharing
- Will not share