Evaluation and comparison of the effectiveness of front-of-package labeling systems for pre-packaged and ultra-processed foods and non-alcoholic beverages in El Salvador
Not Applicable
Completed
- Conditions
- Improvement 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.Not Applicable
- Registration Number
- ISRCTN12389597
- Lead Sponsor
- World Health Organization Regional Office for the Americas
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- All
- Target Recruitment
- 1216
Inclusion Criteria
Adults residing in El Salvador aged 18 years old or older
Exclusion Criteria
1. Visually impaired people
2. Persons unable to give informed consent
3. People who deny being part of this study
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method <br> Measured by responses of participants to the stimuli in different experimental/control groups, and responses obtained from respondents by the interviewers by means of the application of a structured questionnaire after they were shown two-dimensional images of mock-up products:<br> 1. The participant's decision to buy products<br> 2. The correct identification of sugars, sodium and/or saturated fats found to be in excess in the products<br>
- Secondary Outcome Measures
Name Time Method Sociodemographic variables, including gender, age and education level by a structured questionnaire after seeing the mock-up products