Improvement of diet quality and dietary behaviours in young adults Nutritional, Metabolic, Endocrine
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Aged 18–25 years at enrolment. 2. Residents in Jamaica or the UK for the past 5 years, with no plans to relocate during the study period. 3. Currently watches and engages with food-related content on social media at least five times per week (prior to enrolment). 4. Able to read and respond in written English and complete online surveys. 5. Owns a smartphone and is an existing WhatsApp user or willing to install and use WhatsApp, with data/Wi-Fi access, for the duration of the study. 6. Provides a mobile number with a local country code for WhatsApp registration (UK +44 or Jamaica +1-876/+1-658). VoIP/app-based numbers are not eligible.
Exclusion criteria
Exclusion criteria: 1. Self-reported current diagnosis or treatment for an eating disorder 2. Currently enrolled in a structured/healthy eating/weight management programme or another nutrition-related study 3. Unable to provide informed consent or complete study procedures in English 4. Currently pregnant or breastfeeding 5. Following a medically prescribed diet for a serious condition that would conflict with general healthy-eating advice
Countries
England, Jamaica, United Kingdom