Brazilian instrument for assessing of eating disorders in children and adolescents.

Autor:	Scarpatto CH; School of Medicine, Postgraduate Program in Pediatrics and Child Health and Postgraduate Program in Medicine and Health Sciences, Pontifícia Universidade Católica de Rio Grande do Sul (PUCRS), Porto Alegre, Brazil., Ley LLG; School of Medicine, Postgraduate Program in Pediatrics and Child Health, Pontifícia Universidade Católica de Rio Grande do Sul (PUCRS), Porto Alegre, Brazil., Ayala CO; School of Medicine, Postgraduate Program in Pediatrics and Child Health, Pontifícia Universidade Católica de Rio Grande do Sul (PUCRS), Porto Alegre, Brazil., Machado CR; School of Health and Life Sciences, Pontifícia Universidade Católica de Rio Grande do Sul (PUCRS), Porto Alegre, Brazil., Padoin AV; School of Medicine, Postgraduate Program in Medicine and Health Sciences, Pontifícia Universidade Católica de Rio Grande do Sul (PUCRS), Porto Alegre, Brazil., de Jezus Castro SM; Department of Statistics, Universidade Federal de Rio Grande do Sul (UFRGS), Porto Alegre, Brazil., Cañon-Montañez W; School of Nursing Colombia, Universidad de Antioquia, Medellín, Colombia., Mattiello R; School of Medicine, Postgraduate Program in Epidemiology, Universidade Federal de Rio Grande do Sul (UFRGS), Porto Alegre, Brazil. Electronic address: rita.mattiello@ufrgs.br.
Jazyk:	angličtina
Zdroj:	Atencion primaria [Aten Primaria] 2023 Apr; Vol. 55 (4), pp. 102599. Date of Electronic Publication: 2023 Mar 09.
DOI:	10.1016/j.aprim.2023.102599
Abstrakt:	Objective: This study aimed to develop the Brazilian instrument for assessing eating disorders in children and adolescents and test its psychometric quality using item response theory (IRT). Design: Cross-sectional study. Participants: Participants aged between five and twelve years old of both sexes. Main Measures: IRT logistic model of two parameters was used to evaluate the item's severity and discrimination and test information curve of symptoms of eating disorders' latent trait symptoms. Content validity and reliability were also assessed. The IRT evaluation suggested that the instrument contained items that performed differently concerning severity, discrimination, and test information curve presented good accuracy. Results: There was agreement on the clarity of language (83.3%) and theoretical relevance (91.7%), indicating good content validity. The value of the Cronbach's Alpha was 0.63 (95% confidence interval), and the result of the Spearman-Brown test was 0.65. Conclusion: These results indicate good performance of the screening tool in assessing the level of eating disorders in children and adolescents. (Copyright © 2023 The Authors. Publicado por Elsevier España, S.L.U. All rights reserved.)
Databáze:	MEDLINE
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