Screen time, physical activity and cardiovascular risk factors in adolescents

Autores

DOI:

https://doi.org/10.12820/rbafs.23e0008

Palavras-chave:

Obesity, Cholesterol, Hypertension, Health behavior, Adolescent

Resumo

O objetivo deste estudo foi identificar as associações independentes e combinadas da atividade física e de diferentes tipos de tempo de tela com fatores de risco para doenças cardiovasculares (DCV ) em adolescentes. A amostra foi composta por 1.045 adolescentes (51,7% meninas) de 11 a 17 anos de idade selecionados aleatoriamente. O tempo de tela (TT) foi considerado a partir do autorrelato do tempo de médio diário assistindo TV, e usando computador (PV) e jogando videogame (VG). A atividade física foi estimada pelo número de passos (passos/dia) medido por pedômetros. Os fatores de risco para DCV foram o somatório de dobras cutâneas (∑DC), colesterol total (CT) e pressão arterial (PA). Preditores e desfechos foram dicotomizados usando pontos de corte padronizados. As categorias do passos/dia e TT foram combinadas. Diferentes variáveis sociodemográficas foram utilizadas como variáveis de ajuste. Para testar as associações independentes e combinadas foram utilizados teste qui-quadrado (brutas) e a regressão logística binária (ajustada). O tempo de TV se associou direta e independentemente com o ∑DC nas meninas e com o CT nos meninos. Os passos/ dia se associou inversa e independentemente com o CT e a PA (meninos). De maneira geral, as análises combinadas mostraram que adolescentes que não atendem as recomendações para passos/dia e TT apresentam probabilidade aumentada de estarem expostos a fatores de risco para doenças CDV. Programas de saúde pública para o aumento da atividade física e redução do tempo de tela, principalmente o tempo de TV, devem ser desenvolvidos para prevenção da saúde cardiovascular de adolescentes.

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Biografia do Autor

Gabriel Gustavo Bergmann, Physical Education College, Federal University of Pampa, Uruguaiana, Rio Grande do Sul, Brazil.

Curso de Licenciatura em Educação Física da Universidade Federal do Pampa (Unipampa)

Mauren Lúcia de Araújo Bergmann, Physical Education College, Federal University of Pampa, Uruguaiana, Rio Grande do Sul, Brazil.

Curso de Licenciatura em Educação Física da Universidade Federal do Pampa (Unipampa)

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Publicado

2018-08-14

Como Citar

1.
Bergmann GG, Tassitano RM, Bergmann ML de A, Tenório MCM, Mota J. Screen time, physical activity and cardiovascular risk factors in adolescents. Rev. Bras. Ativ. Fís. Saúde [Internet]. 14º de agosto de 2018 [citado 28º de março de 2024];23:1-12. Disponível em: https://rbafs.org.br/RBAFS/article/view/11570

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