A new updated food grouping system for the UK National Diet and Nutrition Survey

Le résumé fourni par la source

Employing a standardised and relevant food classification system in nutrition surveys is crucial for ensuring consistency and enabling meaningful comparisons of dietary data. The aim of this study was to improve, update, and standardise the food grouping system used in the UK National Diet and Nutrition Survey (NDNS), aligning it with current government public health priorities and data surveillance needs. Food items were systematically categorised into a three-level food group structure. The approach was devised with reference to UK dietary guidelines, the current food market and NDNS consumption patterns. Foods were grouped based on factors such as added sugar, plant-based, meat-based, vegetable-based, wholegrain foods, and complex dishes. Established classification systems were consulted to ensure consistency in food group names and structure. The new NDNS food grouping system comprises 47 primary food groups and 142 sub-groups, serving as the foundation for reporting dietary intakes in the NDNS. The third-level sub-group (211 food groups) supports in-depth research requirements. This new food grouping system improves the reporting of dietary intakes by offering a more efficient and standardised approach that aligns with current public health priorities in the UK.

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