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Development of a Food-Based Diet Quality Scale for Brazilian Schoolchildren Using Item Response Theory

Item response theory (IRT) is a psychometric method that provides probabilistic model-based measurements. Its use is relatively recent in the assessment of food consumption, especially through dietary assessment tools. This study aims (1) to develop a food-based diet quality scale for Brazilian scho...

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Autores principales: Giacomelli, Simone de C., de Assis, Maria Alice A., de Andrade, Dalton F., Schmitt, Jeovani, Hinnig, Patrícia de F., Borgatto, Adriano F., Engel, Raquel, Vieira, Francilene G. K., Fiates, Giovanna M. R., Di Pietro, Patricia F.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8469312/
https://www.ncbi.nlm.nih.gov/pubmed/34579052
http://dx.doi.org/10.3390/nu13093175
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author Giacomelli, Simone de C.
de Assis, Maria Alice A.
de Andrade, Dalton F.
Schmitt, Jeovani
Hinnig, Patrícia de F.
Borgatto, Adriano F.
Engel, Raquel
Vieira, Francilene G. K.
Fiates, Giovanna M. R.
Di Pietro, Patricia F.
author_facet Giacomelli, Simone de C.
de Assis, Maria Alice A.
de Andrade, Dalton F.
Schmitt, Jeovani
Hinnig, Patrícia de F.
Borgatto, Adriano F.
Engel, Raquel
Vieira, Francilene G. K.
Fiates, Giovanna M. R.
Di Pietro, Patricia F.
author_sort Giacomelli, Simone de C.
collection PubMed
description Item response theory (IRT) is a psychometric method that provides probabilistic model-based measurements. Its use is relatively recent in the assessment of food consumption, especially through dietary assessment tools. This study aims (1) to develop a food-based diet quality scale for Brazilian schoolchildren using IRT, and (2) to apply the scale to a representative sample of schoolchildren from a Southern Brazilian city. The scale was developed with daily consumption frequency of foods from 835 students who completed the Food Intake and Physical Activity of Schoolchildren questionnaire. Questionnaire foods were grouped into 10 items according to their nutritional similarities and were evaluated by full-information factor analysis that indicated a dominant factor explaining 28% of the variance. Psychometric item analysis was performed using Samejima’s model. The scale covered all levels of diet quality, from “very poor” (scores < 95) to “very good” (scores ≥ 130). Children who had higher diet quality scores consumed beans, meat, fish, eggs, fruits, vegetables, dairy products, and water more frequently, while reducing the consumption of ultraprocessed sugary foods, ultraprocessed savoury snacks and sausages, and sugary drinks. Of 6323 children, an average of less than 10% consumed the highest diet quality scores (good or very good diet quality) and about 60% of children consumed low diet quality scores. The scale can be applied to other schoolchildren with the same measure precision.
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spelling pubmed-84693122021-09-27 Development of a Food-Based Diet Quality Scale for Brazilian Schoolchildren Using Item Response Theory Giacomelli, Simone de C. de Assis, Maria Alice A. de Andrade, Dalton F. Schmitt, Jeovani Hinnig, Patrícia de F. Borgatto, Adriano F. Engel, Raquel Vieira, Francilene G. K. Fiates, Giovanna M. R. Di Pietro, Patricia F. Nutrients Article Item response theory (IRT) is a psychometric method that provides probabilistic model-based measurements. Its use is relatively recent in the assessment of food consumption, especially through dietary assessment tools. This study aims (1) to develop a food-based diet quality scale for Brazilian schoolchildren using IRT, and (2) to apply the scale to a representative sample of schoolchildren from a Southern Brazilian city. The scale was developed with daily consumption frequency of foods from 835 students who completed the Food Intake and Physical Activity of Schoolchildren questionnaire. Questionnaire foods were grouped into 10 items according to their nutritional similarities and were evaluated by full-information factor analysis that indicated a dominant factor explaining 28% of the variance. Psychometric item analysis was performed using Samejima’s model. The scale covered all levels of diet quality, from “very poor” (scores < 95) to “very good” (scores ≥ 130). Children who had higher diet quality scores consumed beans, meat, fish, eggs, fruits, vegetables, dairy products, and water more frequently, while reducing the consumption of ultraprocessed sugary foods, ultraprocessed savoury snacks and sausages, and sugary drinks. Of 6323 children, an average of less than 10% consumed the highest diet quality scores (good or very good diet quality) and about 60% of children consumed low diet quality scores. The scale can be applied to other schoolchildren with the same measure precision. MDPI 2021-09-12 /pmc/articles/PMC8469312/ /pubmed/34579052 http://dx.doi.org/10.3390/nu13093175 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Giacomelli, Simone de C.
de Assis, Maria Alice A.
de Andrade, Dalton F.
Schmitt, Jeovani
Hinnig, Patrícia de F.
Borgatto, Adriano F.
Engel, Raquel
Vieira, Francilene G. K.
Fiates, Giovanna M. R.
Di Pietro, Patricia F.
Development of a Food-Based Diet Quality Scale for Brazilian Schoolchildren Using Item Response Theory
title Development of a Food-Based Diet Quality Scale for Brazilian Schoolchildren Using Item Response Theory
title_full Development of a Food-Based Diet Quality Scale for Brazilian Schoolchildren Using Item Response Theory
title_fullStr Development of a Food-Based Diet Quality Scale for Brazilian Schoolchildren Using Item Response Theory
title_full_unstemmed Development of a Food-Based Diet Quality Scale for Brazilian Schoolchildren Using Item Response Theory
title_short Development of a Food-Based Diet Quality Scale for Brazilian Schoolchildren Using Item Response Theory
title_sort development of a food-based diet quality scale for brazilian schoolchildren using item response theory
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8469312/
https://www.ncbi.nlm.nih.gov/pubmed/34579052
http://dx.doi.org/10.3390/nu13093175
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