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Screen time, body mass index and neck circumference: is there an association with social class in children? / Tempo de tela, índice de massa corporal e circunferência do pescoço: existe associação com a classe social em crianças?
Bordon, Stephanie; Srebernich, Silvana Mariana; Bernardi, Julia Laura Delbue; Merhi, Vânia Aparecida Leandro.
  • Bordon, Stephanie; Pontifical Catholic University of Campinas. Graduate Program in Health Sciences. Campinas. BR
  • Srebernich, Silvana Mariana; Pontifical Catholic University of Campinas. Graduate Program in Health Sciences. Campinas. BR
  • Bernardi, Julia Laura Delbue; Pontifical Catholic University of Campinas. School of Nutrition. Campinas. BR
  • Merhi, Vânia Aparecida Leandro; Pontifical Catholic University of Campinas. Graduate Program in Health Sciences. Campinas. BR
Rev. bras. cineantropom. desempenho hum ; 21: e58235, 2019. tab, graf
Article in English | LILACS | ID: biblio-1013441
ABSTRACT
Abstract Life habits during childhood are decisive for future health conditions. The aim of this study was to evaluate screen time and anthropometry of children enrolled in municipal schools in the interior of the State of São Paulo. A cross-sectional study was carried out with students from 9 to 10 years of age from a city in the State of São Paulo, Brazil. A socioeconomic questionnaire validated by the Brazilian Association of Research Companies was used, containing also the determination of screen time (TV, video game, computer and cell phone), recommended by the Pediatrics Society. Anthropometry data was collected according to the Lohmam Anthropometric Standardization Reference Manual and compared to the z-score level with the WHO 2007. For the statistical analysis, Kruskal-Wallis, Chi-square or Fisher's Exact tests were used.The confidence level was at 95%. Out of the 703 schoolchildren assessed, 97.44% had adequate height, 59.17% eutrophy BMI and 30.44% overweight. There was a correlation between BMI and non-stratified social class (p=0.038) and BMI and neck circumference (NC) (p<0.001).The z-score of the BMI showed that children with weight loss stayed longer watching TV (p=0.0486). The gender comparison showed that girls of higher social class stayed longer at the computer (p=0.0351) and using the cell phone (p<0.0001),and boys playing videogame (p=0.0005). Overweight and weight loss shown in the positive correlation between BMI and NC, although on opposite sides, were associated with screen time and especially with TV in children of higher social class.
RESUMO
Resumo Hábitos de vida apresentados durante a infância, serão decisivos para a situação de saúde no futuro. Objetivou-se avaliar tempo de tela e antropometria de crianças matriculadas em escolas municipais do interior de São Paulo. Estudo transversal com escolares de 9 a 10 anos de idade de uma cidade do estado de São Paulo-Brasil. Utilizou-se um questionário sócio-econômico validado pela Associação Brasileira de Empresas de Pesquisa, contendo também a determinação do tempo de tela (TV, vídeo game, computador e celular), recomendado pela Sociedade de Pediatria. A antropometria foi coletada de acordo com o Anthropometric Standardization Reference Manual de Lohmam e comparada à nível de escore-z, com a WHO 2007. Para a análise estatística utilizou-se os testes de Kruskal-Wallis, Qui-quadrado ou Exato de Fisher. O nível de confiança foi de 95%. Dos 703 escolares avaliados, 97,44% apresentaram estatura adequada, 59,17% IMC de eutrofia e 30,44% de sobrepeso. Houve correlação entre o IMC e a classe social não estratificada (p=0,038) e o IMC e circunferência do pescoço (CP) (p<0,001). O escore-z do IMC mostrou que as crianças com magreza ficaram mais tempo na TV (p=0,0486). A comparação de gêneros mostrou que as meninas de classe social mais alta ficaram mais tempo no computador (p=0,0351) e no celular (p< 0,0001), e os meninos no videogame (p=0,0005). O sobrepeso e a magreza mostrados na correlação positiva entre IMC e CP, embora estejam em lados opostos, foram associados ao tempo de tela e principalmente à TV, nas crianças de maior classe social.
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Full text: Available Index: LILACS (Americas) Main subject: Body Weight / Anthropometry / Leisure Activities Type of study: Observational study / Prevalence study / Risk factors Limits: Child / Female / Humans / Male Language: English Journal: Rev. bras. cineantropom. desempenho hum Journal subject: Physical Education / Sports Medicine / MEDICINA FISICA E REABILITACAO Year: 2019 Type: Article Affiliation country: Brazil Institution/Affiliation country: Pontifical Catholic University of Campinas/BR

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Full text: Available Index: LILACS (Americas) Main subject: Body Weight / Anthropometry / Leisure Activities Type of study: Observational study / Prevalence study / Risk factors Limits: Child / Female / Humans / Male Language: English Journal: Rev. bras. cineantropom. desempenho hum Journal subject: Physical Education / Sports Medicine / MEDICINA FISICA E REABILITACAO Year: 2019 Type: Article Affiliation country: Brazil Institution/Affiliation country: Pontifical Catholic University of Campinas/BR