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Validation of NOVA 27 ultra-processed food screener: adaptation and performance in Ecuador

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Publicat a:Public Health Nutrition vol. 28, no. 1 (2025)
Autor principal: Freire, Wilma B
Altres autors: Tello, Betzabé, Philippe Belmont Guerrón
Publicat:
Cambridge University Press
Matèries:
Brazil
Ecuador
Population
Urban populations
Questionnaires
Adaptation
Bread
Secondary analysis
Processed foods
Food processing
Nutrition surveys
Validation studies
Datasets
Food
Nutritionists
Subgroups
Classification
Energy intake
Regions
Adults
Public health
Surveys
Beverages
Addictive behaviors
Social
Accés en línia:Citation/Abstract
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Resum:Objective:This study aimed to adapt and validate the NOVA 27 ultra-processed food (UPF) Screener for use in Ecuador by identifying commonly consumed foods, classifying them using the NOVA system and testing the screener’s validity in an urban sample and a national food survey.Design:A cross-sectional study was conducted in two phases: screener validation with a convenience sample of 327 adults in Quito through an online questionnaire (2021) and assessment of its applicability using data from the 2012 Ecuadorian National Health and Nutrition Survey (ENSANUT-Ecu). The method, adapted from a similar study in Brazil, compared NOVA UPF scores to the 24 h-Recall (24-HR) automated multiple-pass method, used as the gold standard.Setting:The study included Quito’s urban population for validation and secondary data from ENSANUT-Ecu.Participants:Three hundred and twenty-seven adults aged 18–64 from Quito were included in the validation phase, and 3510 adults from the ENSANUT-Ecu dataset were analysed in the secondary analysis.Results:The screener adaptation identified twenty-seven subgroups of commonly consumed UPF, summarising 90 % of UPF energy intake. Validation results indicated significant agreement between the NOVA-UPF score and UPF intake, with PABAK indices above 0·8 for most socio-demographic groups. Higher NOVA-UPF scores corresponded to increased UPF dietary shares, mirroring patterns observed in the ENSANUT-Ecu dataset.Conclusions:The adapted NOVA 27 UPF Screener is a valid tool for assessing UPF intake in Ecuador, offering a practical resource for future dietary surveys to monitor and address UPF intake among Ecuadorian adults.
ISSN:1368-9800
1475-2727
DOI:10.1017/S1368980025100475
Font:Health & Medical Collection