NCT07528443|Completed
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Sponsor study identifier
interventional
2,000
1 country
1
Study Start
June 25, 2026
Actual (reported)Primary Completion
August 15, 2026
Actual (reported)Study Completion
August 15, 2026
Actual (reported)The study seeks to examine how characters on packaging and warning labels affect purchase intentions and risk perception among children aged 12 to 17 in Colombia and, examine whether characters' presence weakens or reduces the perceived message effectiveness of the warning labels' impact. This will be a 2x2 between-subjects experiment manipulating presence or absence of characters and presence or absence of warning labels. Participants will be randomly assigned to 1 of 4 conditions in an online survey programmed in Qualtrics.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
August 15, 2026
Actual (reported)Click on a node to explore related trials.
Some registry-reported names shown below are not yet linked in this graph.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
April 7, 2026
Actual (reported)April 14, 2026
Actual (reported)June 25, 2026
Actual (reported)August 15, 2026
Actual (reported)August 15, 2026
Actual (reported)Purchase intention
Purchase intention will be assessed using 1 item: "How likely are you to consume this product?" Responses will be recorded on a 5-point Likert-style scale ranging from 1 ("Not at all likely") to 5 ("Very likely"). Because this is a single-item measure, the total score ranges from 1 to 5. Higher scores indicate greater purchase intention, whereas lower scores indicate lower purchase intention.
During ~15 minute online survey
Risk perception
Risk perception will be assessed using 1 item: "How healthy do you think this product is?" Responses will be recorded on a 5-point Likert-style scale ranging from 1 ("Not healthy at all") to 5 ("Very healthy"). Because this is a single-item measure, the total score ranges from 1 to 5. Higher scores indicate that the product is perceived as healthier (i.e., lower perceived risk), whereas lower scores indicate that the product is perceived as less healthy (i.e., higher perceived risk).
During ~15 minute online survey
Perceived Message Effectiveness
During ~15 minute online survey
Participants will view images of three products containing octagonal warning labels.
Participants will view images of three products containing Barcode control label.
Online panel
Bogotá, Colombia
Maria Parra-Murillo
University of North Carolina, Chapel Hill
Marissa Hall, PhD
University of North Carolina, Chapel Hill
2,000 participants (actual enrollment reported by the registry).
First Submitted
April 7, 2026
First Posted
April 14, 2026
Study Start
June 25, 2026
Actual (reported)Fit for Duty: mHealth Intervention for Weight Gain Prevention
Participants will view images of three products containing characters.
Participants will view images of three products without characters.
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
Contact the study team to confirm eligibility.
Primary Completion
August 15, 2026
Actual (reported)Study Completion
August 15, 2026
Actual (reported)Last Updated
September 3, 2026
Record last verified: 2026-05
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Source: ClinicalTrials.gov.
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