the only difference across groups is the front-of-package labelling (FOPL) scheme they feature. Mock-ups shown to participants feature solely one of the following FOPL schemes tested, according to the
Sponsors
World Health Organization Regional Office for the Americas
Conditions
Consumer health perceptions and purchase behaviours
Nutritional, Metabolic, EndocrineImprovement on consumers' ability to correctly identify products with excessive amounts of sugars, fats, and sodium, to correctly identify the product option that is the least harmful to health, and to choose to purchase the least harmful choices or none of them options if they are all harmful.
Other
Unknown Phase
Evaluation and comparison of the effectiveness of front-of-package labeling systems for pre-packaged and ultra-processed foods and non-alcoholic beverages in Bolivia
Active, not recruitingISRCTN17707440
Start: 2023-07-17Target: 3600Updated: 2025-10-27
Influence of front-of-pack labelling schemes on consumer health perceptions and purchase behaviours in Trinidad and Tobago
RecruitingISRCTN10830335
Start: 2025-09-08Target: 1920Updated: 2025-09-15