Household food insecurity in Brazilian adolescents: A validation study
Autor(a) principal: | |
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Data de Publicação: | 2023 |
Outros Autores: | , , , |
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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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 |
format |
article |
status_str |
publishedVersion |
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) |
repository.mail.fl_str_mv |
||sbi.submissionrn@puc-campinas.edu.br |
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1799126069504114688 |