Household food insecurity in Brazilian adolescents: A validation study

Detalhes bibliográficos
Autor(a) principal: dos Anjos Campos COELHO, Stefanie Eugênia
Data de Publicação: 2023
Outros Autores: Pinheiro de Toledo VIANNA, Rodrigo, SEGALL-CORREA, Ana Maria, PEREZ-ESCAMILLA, Rafael, Bauermann GUBERT, Muriel
Tipo de documento: Artigo
Idioma: por
Título da fonte: Revista de Nutrição
Texto Completo: https://periodicos.puc-campinas.edu.br/nutricao/article/view/8235
Resumo: ObjectiveThe objective of this study was to evaluate the internal and predictive validity of a six-item household food insecurity scale to measure food insecurity in Brazilian adolescents. MethodsA cross-sectional study with a representative sample of Brazilian adolescents (N=14,690) was conducted in public and private schools in 26 state capitals and in the Federal District of Brazil using an online questionnaire. ResultsMost respondents were female (53.2%) with mean age of 14.4 years, and 72.7% of them attended public schools. The psychometric properties of the scale, assessed using the Rasch model, showed better response rates without the item five, exhibiting optimal Infit statistics and an increasing level of severity among the items. Cronbach’s á was 0.767. Differential item functioning analyses showed similar behavior between the items in the subgroups evaluated. Factor analysis confirmed the unidimensionality of the scale. ConclusionThis study proposes the removal of the item five and the inclusion of new cut-off points for this short form of the scale. The Household Food Security Scale (short form) is valid and reliable to measure household food insecurity in Brazilian adolescents.
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spelling Household food insecurity in Brazilian adolescents: A validation studyInsegurança alimentar entre adolescentes brasileiros: um estudo de validação da Escala Curta de Insegurança AlimentarAdolescentsRasch modelFood SecurityAdolescentesModelo de RaschSegurança AlimentarObjectiveThe objective of this study was to evaluate the internal and predictive validity of a six-item household food insecurity scale to measure food insecurity in Brazilian adolescents. MethodsA cross-sectional study with a representative sample of Brazilian adolescents (N=14,690) was conducted in public and private schools in 26 state capitals and in the Federal District of Brazil using an online questionnaire. ResultsMost respondents were female (53.2%) with mean age of 14.4 years, and 72.7% of them attended public schools. The psychometric properties of the scale, assessed using the Rasch model, showed better response rates without the item five, exhibiting optimal Infit statistics and an increasing level of severity among the items. Cronbach’s á was 0.767. Differential item functioning analyses showed similar behavior between the items in the subgroups evaluated. Factor analysis confirmed the unidimensionality of the scale. ConclusionThis study proposes the removal of the item five and the inclusion of new cut-off points for this short form of the scale. The Household Food Security Scale (short form) is valid and reliable to measure household food insecurity in Brazilian adolescents.ObjetivoOs objetivos do trabalho foram avaliar a validade interna e a capacidade preditiva da escala de segurança alimentar de seis itens aplicada a adolescentes. MétodosFoi um estudo transversal com amostra representativa de adolescentes brasileiros (N=14.690), realizado em escolas públicas e privadas nas 26 capitais de estados brasileiros e no Distrito Federal por meio de questionário online. ResultadosA maior parte dos respondentes era do sexo feminino (53,2%), com idade média de 14,4 anos, sendo 72,7% de escolas públicas. O comportamento da escala, observado pelo modelo de Rasch, foi melhor sem o item cinco, apresentando valores ótimos de Infit e nível de severidade crescente entre os itens. O alfa de Cronbach foi 0,77, e as análises do funcionamento diferencial dos itens mostraram comportamento dos itens semelhante entre os subgrupos avaliados. A análise fatorial mostrou a unidimensionalidade do instrumento. ConclusãoFoi proposta a retirada do item cinco e novos pontos de corte para a escala curta de segurança alimentar. A escala curta de segurança alimentar é válida e confiável para mensurar insegurança alimentar domiciliar entre adolescentes brasileiros. Núcleo de Editoração – PUC-Campinas2023-04-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://periodicos.puc-campinas.edu.br/nutricao/article/view/8235Brazilian Journal of Nutrition; Vol. 28 No. 4 (2015): Revista de NutriçãoRevista de Nutrição; Vol. 28 Núm. 4 (2015): Revista de NutriçãoRevista de Nutrição; v. 28 n. 4 (2015): Revista de Nutrição1678-9865reponame:Revista de Nutriçãoinstname:Pontifícia Universidade Católica de Campinas (PUC-CAMPINAS)instacron:PUC_CAMPporhttps://periodicos.puc-campinas.edu.br/nutricao/article/view/8235/5761Copyright (c) 2023 Stefanie Eugênia dos Anjos Campos COELHO, Rodrigo Pinheiro de Toledo VIANNA, Ana Maria SEGALL-CORREA, Rafael PEREZ-ESCAMILLA, Muriel Bauermann GUBERThttps://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessdos Anjos Campos COELHO, Stefanie Eugênia Pinheiro de Toledo VIANNA, Rodrigo SEGALL-CORREA, Ana MariaPEREZ-ESCAMILLA, Rafael Bauermann GUBERT, Muriel 2023-04-05T13:12:42Zoai:ojs.periodicos.puc-campinas.edu.br:article/8235Revistahttp://www.scielo.br/rnPRIhttps://periodicos.puc-campinas.edu.br/nutricao/oai||sbi.submissionrn@puc-campinas.edu.br1678-98651415-5273opendoar:2023-04-05T13:12:42Revista de Nutrição - Pontifícia Universidade Católica de Campinas (PUC-CAMPINAS)false
dc.title.none.fl_str_mv Household food insecurity in Brazilian adolescents: A validation study
Insegurança alimentar entre adolescentes brasileiros: um estudo de validação da Escala Curta de Insegurança Alimentar
title Household food insecurity in Brazilian adolescents: A validation study
spellingShingle Household food insecurity in Brazilian adolescents: A validation study
dos Anjos Campos COELHO, Stefanie Eugênia
Adolescents
Rasch model
Food Security
Adolescentes
Modelo de Rasch
Segurança Alimentar
title_short Household food insecurity in Brazilian adolescents: A validation study
title_full Household food insecurity in Brazilian adolescents: A validation study
title_fullStr Household food insecurity in Brazilian adolescents: A validation study
title_full_unstemmed Household food insecurity in Brazilian adolescents: A validation study
title_sort Household food insecurity in Brazilian adolescents: A validation study
author dos Anjos Campos COELHO, Stefanie Eugênia
author_facet dos Anjos Campos COELHO, Stefanie Eugênia
Pinheiro de Toledo VIANNA, Rodrigo
SEGALL-CORREA, Ana Maria
PEREZ-ESCAMILLA, Rafael
Bauermann GUBERT, Muriel
author_role author
author2 Pinheiro de Toledo VIANNA, Rodrigo
SEGALL-CORREA, Ana Maria
PEREZ-ESCAMILLA, Rafael
Bauermann GUBERT, Muriel
author2_role author
author
author
author
dc.contributor.author.fl_str_mv dos Anjos Campos COELHO, Stefanie Eugênia
Pinheiro de Toledo VIANNA, Rodrigo
SEGALL-CORREA, Ana Maria
PEREZ-ESCAMILLA, Rafael
Bauermann GUBERT, Muriel
dc.subject.por.fl_str_mv Adolescents
Rasch model
Food Security
Adolescentes
Modelo de Rasch
Segurança Alimentar
topic Adolescents
Rasch model
Food Security
Adolescentes
Modelo de Rasch
Segurança Alimentar
description ObjectiveThe objective of this study was to evaluate the internal and predictive validity of a six-item household food insecurity scale to measure food insecurity in Brazilian adolescents. MethodsA cross-sectional study with a representative sample of Brazilian adolescents (N=14,690) was conducted in public and private schools in 26 state capitals and in the Federal District of Brazil using an online questionnaire. ResultsMost respondents were female (53.2%) with mean age of 14.4 years, and 72.7% of them attended public schools. The psychometric properties of the scale, assessed using the Rasch model, showed better response rates without the item five, exhibiting optimal Infit statistics and an increasing level of severity among the items. Cronbach’s á was 0.767. Differential item functioning analyses showed similar behavior between the items in the subgroups evaluated. Factor analysis confirmed the unidimensionality of the scale. ConclusionThis study proposes the removal of the item five and the inclusion of new cut-off points for this short form of the scale. The Household Food Security Scale (short form) is valid and reliable to measure household food insecurity in Brazilian adolescents.
publishDate 2023
dc.date.none.fl_str_mv 2023-04-05
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
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dc.identifier.uri.fl_str_mv https://periodicos.puc-campinas.edu.br/nutricao/article/view/8235
url https://periodicos.puc-campinas.edu.br/nutricao/article/view/8235
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://periodicos.puc-campinas.edu.br/nutricao/article/view/8235/5761
dc.rights.driver.fl_str_mv https://creativecommons.org/licenses/by/4.0
info:eu-repo/semantics/openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by/4.0
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Núcleo de Editoração – PUC-Campinas
publisher.none.fl_str_mv Núcleo de Editoração – PUC-Campinas
dc.source.none.fl_str_mv Brazilian Journal of Nutrition; Vol. 28 No. 4 (2015): Revista de Nutrição
Revista de Nutrição; Vol. 28 Núm. 4 (2015): Revista de Nutrição
Revista de Nutrição; v. 28 n. 4 (2015): Revista de Nutrição
1678-9865
reponame:Revista de Nutrição
instname:Pontifícia Universidade Católica de Campinas (PUC-CAMPINAS)
instacron:PUC_CAMP
instname_str Pontifícia Universidade Católica de Campinas (PUC-CAMPINAS)
instacron_str PUC_CAMP
institution PUC_CAMP
reponame_str Revista de Nutrição
collection Revista de Nutrição
repository.name.fl_str_mv Revista de Nutrição - Pontifícia Universidade Católica de Campinas (PUC-CAMPINAS)
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