Prevalência de insuficiência/deficiência de vitamina D e fatores associados em adolescentes escolares
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações da UFPB |
Texto Completo: | https://repositorio.ufpb.br/jspui/handle/tede/8802 |
Resumo: | Introduction: Vitamin D has important functions in bone metabolism and in the pathophysiology of various chronic diseases. Vitamin D deficiency has been reported worldwide and several determinants may be related to this phenomenon. Objective: To estimate the prevalence and factors associated with vitamin D deficiency / deficiency in school adolescents from a capital city in the northeast region of Brazil. Methodology: This was a cross-sectional epidemiological study in adolescents aged 15 to 19 from public schools in Joao Pessoa-PB / Brazil. Serum levels of 25 (OH) D were measured by blood samples. Sociodemographic and behavioral data were obtained through a semistructured questionnaire, where they were included in the independent variables: sex, skin color, social benefits, mother's schooling, hours of sleep per day, daily solar exposition, physical activity exposed to the sun, Activity or physical inactivity, food consumption, nutritional status and biochemical analyzes of calcium and serum PTH. The nutritional status was evaluated according to the recommendations of the WHO (World Health Organization). The analysis of factors associated with vitamin D deficiency was performed by simple and multivariate Poisson Regression. Results: The prevalence of 25 (OH) D deficiency / deficiency was 57.3%, with the female population showing a higher prevalence (p = 0.000) than the male sex. In no analyzed variables, the female sex presented average vitamin D levels higher than 30 ng / dL (reference value). After the categorization of the sample by sex, in the final model, the nutritional status (RP: 2.78, p = 0.006) was associated with 25 (OH) D deficiency / deficiency in male adolescents and serum calcium (RP: 1 , 32, p = 0.018) in females. Conclusion: Data from the present study estimate a high prevalence of vitamin D deficiency / deficiency in a population of school adolescents in northeastern Brazil, especially females, and the associated factors were different among the groups analyzed. The data from the study suggest that strategies such as obligatory fortification in food sources of vitamin D and the possible supplementation of individuals in adolescence, especially in the female sex, are considered by the public health organizations of Brazil and the World. |
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Prevalência de insuficiência/deficiência de vitamina D e fatores associados em adolescentes escolaresVitamina DPrevalênciaAdolescentesFatores de RiscoD vitaminPrevalenceAdolescentsRisk factorsCIENCIAS DA SAUDE::NUTRICAOIntroduction: Vitamin D has important functions in bone metabolism and in the pathophysiology of various chronic diseases. Vitamin D deficiency has been reported worldwide and several determinants may be related to this phenomenon. Objective: To estimate the prevalence and factors associated with vitamin D deficiency / deficiency in school adolescents from a capital city in the northeast region of Brazil. Methodology: This was a cross-sectional epidemiological study in adolescents aged 15 to 19 from public schools in Joao Pessoa-PB / Brazil. Serum levels of 25 (OH) D were measured by blood samples. Sociodemographic and behavioral data were obtained through a semistructured questionnaire, where they were included in the independent variables: sex, skin color, social benefits, mother's schooling, hours of sleep per day, daily solar exposition, physical activity exposed to the sun, Activity or physical inactivity, food consumption, nutritional status and biochemical analyzes of calcium and serum PTH. The nutritional status was evaluated according to the recommendations of the WHO (World Health Organization). The analysis of factors associated with vitamin D deficiency was performed by simple and multivariate Poisson Regression. Results: The prevalence of 25 (OH) D deficiency / deficiency was 57.3%, with the female population showing a higher prevalence (p = 0.000) than the male sex. In no analyzed variables, the female sex presented average vitamin D levels higher than 30 ng / dL (reference value). After the categorization of the sample by sex, in the final model, the nutritional status (RP: 2.78, p = 0.006) was associated with 25 (OH) D deficiency / deficiency in male adolescents and serum calcium (RP: 1 , 32, p = 0.018) in females. Conclusion: Data from the present study estimate a high prevalence of vitamin D deficiency / deficiency in a population of school adolescents in northeastern Brazil, especially females, and the associated factors were different among the groups analyzed. The data from the study suggest that strategies such as obligatory fortification in food sources of vitamin D and the possible supplementation of individuals in adolescence, especially in the female sex, are considered by the public health organizations of Brazil and the World.Introducao: A vitamina D apresenta funcoes importantes no metabolismo osseo e na fisiopatogenese de diversas doencas cronicas. A deficiencia de vitamina D tem sido relatada em todo o mundo e diversos determinantes podem estar relacionados a esse fenomeno. Objetivo: Estimar a prevalencia e os fatores associados com a insuficiencia/deficiencia de vitamina D em adolescentes escolares de uma capital da regiao nordeste do Brasil. Metodologia: Tratou-se de um estudo epidemiologico transversal em adolescentes de 15 a 19 anos de escolas da rede publica de Joao Pessoa-PB/Brasil. Niveis sericos de 25(OH)D foram mensurados por amostras sanguineas. Dados sociodemograficos e comportamentais foram obtidos atraves de um questionario semiestruturado, onde foram incluidas nas variaveis independentes: sexo, cor da pele, recebimento de beneficios sociais, escolaridade da mae, horas de sono por dia, exposicao solar diaria, atividade fisica exposta ao sol, atividade ou inatividade fisica, consumo alimentar, estado nutricional e analises bioquimicas de calcio e PTH serico. O estado nutricional foi avaliado de acordo com as recomendacoes da OMS (Organizacao Mundial da Saude). A analise dos fatores associados a deficiencia de vitamina D foi realizada por Regressao de Poisson simples e multivariada. Resultados: A prevalencia de insuficiencia/deficiencia de 25(OH)D foi de 57,3%, tendo a populacao feminina apresentado maior prevalencia (p=0,000) que o sexo masculino. Em nenhuma variavel analisada, o sexo feminino apresentou niveis medios de vitamina D superiores a 30 ng/dL (valor de referencia). Apos categorizacao da amostra por sexo, no modelo final, o estado nutricional (RP: 2,78; p=0,006) esteve associada a insuficiencia/deficiencia de 25(OH)D nos adolescentes do sexo masculino e o calcio serico (RP: 1,32; p=0,018) nas do sexo feminino. Conclusao: Os dados do presente estudo estimam uma alta prevalencia de insuficiencia/deficiencia de vitamina D em uma populacao de adolescentes escolares no nordeste do Brasil especialmente do sexo feminino e os fatores associados foram distintos entre os grupos analisados. Os dados do estudo sugerem que estrategias como a fortificacao obrigatoria em alimentos fonte de vitamina D e a possivel suplementacao de individuos na adolescencia, sobretudo no sexo feminino, sejam consideradas pelas organizacoes de saude publica do Brasil e do Mundo.Universidade Federal da ParaíbaBrasilCiências da NutriçãoPrograma de Pós-Graduação em Ciências da NutriçãoUFPBCarvalho, Alice Telles dehttp://lattes.cnpq.br/7185019514040692Araújo, Eduarda Pontes dos Santos2017-01-30T13:13:55Z2018-07-20T23:44:34Z2018-07-20T23:44:34Z2016-03-16info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisapplication/pdfARAÚJO, Eduarda Pontes dos Santos. Prevalência de insuficiência/deficiência de vitamina D e fatores associados em adolescentes escolares. 2016. 78 f. Dissertação (Mestrado em Ciências da Nutrição) - Universidade Federal da Paraíba, João Pessoa, 2016.https://repositorio.ufpb.br/jspui/handle/tede/8802porinfo:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações da UFPBinstname:Universidade Federal da Paraíba (UFPB)instacron:UFPB2018-09-05T22:54:56Zoai:repositorio.ufpb.br:tede/8802Biblioteca Digital de Teses e Dissertaçõeshttps://repositorio.ufpb.br/PUBhttp://tede.biblioteca.ufpb.br:8080/oai/requestdiretoria@ufpb.br|| diretoria@ufpb.bropendoar:2018-09-05T22:54:56Biblioteca Digital de Teses e Dissertações da UFPB - Universidade Federal da Paraíba (UFPB)false |
dc.title.none.fl_str_mv |
Prevalência de insuficiência/deficiência de vitamina D e fatores associados em adolescentes escolares |
title |
Prevalência de insuficiência/deficiência de vitamina D e fatores associados em adolescentes escolares |
spellingShingle |
Prevalência de insuficiência/deficiência de vitamina D e fatores associados em adolescentes escolares Araújo, Eduarda Pontes dos Santos Vitamina D Prevalência Adolescentes Fatores de Risco D vitamin Prevalence Adolescents Risk factors CIENCIAS DA SAUDE::NUTRICAO |
title_short |
Prevalência de insuficiência/deficiência de vitamina D e fatores associados em adolescentes escolares |
title_full |
Prevalência de insuficiência/deficiência de vitamina D e fatores associados em adolescentes escolares |
title_fullStr |
Prevalência de insuficiência/deficiência de vitamina D e fatores associados em adolescentes escolares |
title_full_unstemmed |
Prevalência de insuficiência/deficiência de vitamina D e fatores associados em adolescentes escolares |
title_sort |
Prevalência de insuficiência/deficiência de vitamina D e fatores associados em adolescentes escolares |
author |
Araújo, Eduarda Pontes dos Santos |
author_facet |
Araújo, Eduarda Pontes dos Santos |
author_role |
author |
dc.contributor.none.fl_str_mv |
Carvalho, Alice Telles de http://lattes.cnpq.br/7185019514040692 |
dc.contributor.author.fl_str_mv |
Araújo, Eduarda Pontes dos Santos |
dc.subject.por.fl_str_mv |
Vitamina D Prevalência Adolescentes Fatores de Risco D vitamin Prevalence Adolescents Risk factors CIENCIAS DA SAUDE::NUTRICAO |
topic |
Vitamina D Prevalência Adolescentes Fatores de Risco D vitamin Prevalence Adolescents Risk factors CIENCIAS DA SAUDE::NUTRICAO |
description |
Introduction: Vitamin D has important functions in bone metabolism and in the pathophysiology of various chronic diseases. Vitamin D deficiency has been reported worldwide and several determinants may be related to this phenomenon. Objective: To estimate the prevalence and factors associated with vitamin D deficiency / deficiency in school adolescents from a capital city in the northeast region of Brazil. Methodology: This was a cross-sectional epidemiological study in adolescents aged 15 to 19 from public schools in Joao Pessoa-PB / Brazil. Serum levels of 25 (OH) D were measured by blood samples. Sociodemographic and behavioral data were obtained through a semistructured questionnaire, where they were included in the independent variables: sex, skin color, social benefits, mother's schooling, hours of sleep per day, daily solar exposition, physical activity exposed to the sun, Activity or physical inactivity, food consumption, nutritional status and biochemical analyzes of calcium and serum PTH. The nutritional status was evaluated according to the recommendations of the WHO (World Health Organization). The analysis of factors associated with vitamin D deficiency was performed by simple and multivariate Poisson Regression. Results: The prevalence of 25 (OH) D deficiency / deficiency was 57.3%, with the female population showing a higher prevalence (p = 0.000) than the male sex. In no analyzed variables, the female sex presented average vitamin D levels higher than 30 ng / dL (reference value). After the categorization of the sample by sex, in the final model, the nutritional status (RP: 2.78, p = 0.006) was associated with 25 (OH) D deficiency / deficiency in male adolescents and serum calcium (RP: 1 , 32, p = 0.018) in females. Conclusion: Data from the present study estimate a high prevalence of vitamin D deficiency / deficiency in a population of school adolescents in northeastern Brazil, especially females, and the associated factors were different among the groups analyzed. The data from the study suggest that strategies such as obligatory fortification in food sources of vitamin D and the possible supplementation of individuals in adolescence, especially in the female sex, are considered by the public health organizations of Brazil and the World. |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016-03-16 2017-01-30T13:13:55Z 2018-07-20T23:44:34Z 2018-07-20T23:44:34Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
ARAÚJO, Eduarda Pontes dos Santos. Prevalência de insuficiência/deficiência de vitamina D e fatores associados em adolescentes escolares. 2016. 78 f. Dissertação (Mestrado em Ciências da Nutrição) - Universidade Federal da Paraíba, João Pessoa, 2016. https://repositorio.ufpb.br/jspui/handle/tede/8802 |
identifier_str_mv |
ARAÚJO, Eduarda Pontes dos Santos. Prevalência de insuficiência/deficiência de vitamina D e fatores associados em adolescentes escolares. 2016. 78 f. Dissertação (Mestrado em Ciências da Nutrição) - Universidade Federal da Paraíba, João Pessoa, 2016. |
url |
https://repositorio.ufpb.br/jspui/handle/tede/8802 |
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por |
language |
por |
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info:eu-repo/semantics/openAccess |
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openAccess |
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application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal da Paraíba Brasil Ciências da Nutrição Programa de Pós-Graduação em Ciências da Nutrição UFPB |
publisher.none.fl_str_mv |
Universidade Federal da Paraíba Brasil Ciências da Nutrição Programa de Pós-Graduação em Ciências da Nutrição UFPB |
dc.source.none.fl_str_mv |
reponame:Biblioteca Digital de Teses e Dissertações da UFPB instname:Universidade Federal da Paraíba (UFPB) instacron:UFPB |
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Universidade Federal da Paraíba (UFPB) |
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UFPB |
institution |
UFPB |
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Biblioteca Digital de Teses e Dissertações da UFPB |
collection |
Biblioteca Digital de Teses e Dissertações da UFPB |
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Biblioteca Digital de Teses e Dissertações da UFPB - Universidade Federal da Paraíba (UFPB) |
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diretoria@ufpb.br|| diretoria@ufpb.br |
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