Discrepancies between two long-term dietary datasets in the United Kingdom (UK) [version 3; peer review: 2 approved]

Background: Studying dietary trends can help monitor progress towards healthier and more sustainable diets but longitudinal data are often confounded by lack of standardized methods. Two main data sources are used for longitudinal analysis of diets: food balance sheets on food supply (FBS) and house...

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Bibliographic Details
Published in:Wellcome open research 2023-01, Vol.6
Main Authors: Peter Alexander, Kerry G. Smith, Pauline Scheelbeek, Emma E. Garnett, Andrew Balmford
Format: Article
Language:English
Subjects:
Dietary change
eng
food balance sheets
household budget survey
longitudinal
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Summary:Background: Studying dietary trends can help monitor progress towards healthier and more sustainable diets but longitudinal data are often confounded by lack of standardized methods. Two main data sources are used for longitudinal analysis of diets: food balance sheets on food supply (FBS) and household budget surveys on food purchased (HBS). Methods: We used UK longitudinal dietary data on food supply, provided by the Food and Agriculture Organisation (FAO) (FAO-FBS, 1961-2018), and food purchases, provided by the Department for Environment, Food and Rural Affairs (Defra) (Defra-HBS, 1942-2018). We assessed how trends in dietary change per capita compared between FAO-FBS and Defra-HBS for calories, meat and fish, nuts and pulses, and dairy, and how disparities have changed over time. Results: Estimates made by FAO-FBS were significantly higher (p
ISSN:2398-502X