Researchers surveyed 1,003 adults in the UK to check how well people knew national dietary advice. Participants completed questionnaires about their knowledge of the Eatwell Guide and broader dietary reference values. They also answered questions about barriers and facilitators to following these guidelines.
The results showed that only 53.3% of adults knew the Eatwell Guide recommendations under strict scoring, while 72.5% knew them under a more liberal definition. Knowledge of broader dietary reference values was much lower, with only 17.9% knowing them strictly and 58.9% knowing them loosely. Nearly half of the participants reported having no familiarity with the Eatwell Guide at all.
People identified several obstacles to healthy eating, including social events like celebrations, lack of access to healthy foods, and mood-related issues. However, they also noted that economic factors, such as cheaper healthy foods, and health motivations like weight loss or mental health were strong drivers for change. The study suggests that individual behavior change approaches alone are unlikely to be sufficient for meaningful population-level improvements.