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Performance of the Digital Dietary Assessment Tool MyFoodRepo

Authors :
Claire Zuppinger
Patrick Taffé
Gerrit Burger
Wafa Badran-Amstutz
Tapio Niemi
Clémence Cornuz
Fabiën N. Belle
Angeline Chatelan
Muriel Paclet Lafaille
Murielle Bochud
Semira Gonseth Nusslé
Source :
Nutrients, Vol 14, Iss 3, p 635 (2022)
Publication Year :
2022
Publisher :
MDPI AG, 2022.

Abstract

Digital dietary assessment devices could help overcome the limitations of traditional tools to assess dietary intake in clinical and/or epidemiological studies. We evaluated the accuracy of the automated dietary app MyFoodRepo (MFR) against controlled reference values from weighted food diaries (WFD). MFR’s capability to identify, classify and analyze the content of 189 different records was assessed using Cohen and uniform kappa coefficients and linear regressions. MFR identified 98.0% ± 1.5 of all edible components and was not affected by increasing numbers of ingredients. Linear regression analysis showed wide limits of agreement between MFR and WFD methods to estimate energy, carbohydrates, fat, proteins, fiber and alcohol contents of all records and a constant overestimation of proteins, likely reflecting the overestimation of portion sizes for meat, fish and seafood. The MFR mean portion size error was 9.2% ± 48.1 with individual errors ranging between −88.5% and +242.5% compared to true values. Beverages were impacted by the app’s difficulty in correctly identifying the nature of liquids (41.9% ± 17.7 of composed beverages correctly classified). Fair estimations of portion size by MFR, along with its strong segmentation and classification capabilities, resulted in a generally good agreement between MFR and WFD which would be suited for the identification of dietary patterns, eating habits and regime types.

Details

Language :
English
ISSN :
20726643
Volume :
14
Issue :
3
Database :
Directory of Open Access Journals
Journal :
Nutrients
Publication Type :
Academic Journal
Accession number :
edsdoj.f2035cfe717340639a2f92fb123fc7b9
Document Type :
article
Full Text :
https://doi.org/10.3390/nu14030635