Prevalence of excessive screen time and correlates factors in Brazilian schoolchildren

Authors

DOI:

https://doi.org/10.12820/rbafs.23e0003

Keywords:

Child, Adolescent, School health, Lifestyle, Sedentary behavior

Abstract

The objective of this study was to identify excessive screen time, through the use of TV and other screen-based devices, including computers, videogames, tablets and smartphones, and analyze associated demographic, behavioral and anthropometric correlates. This is a cross-sectional school-based epidemiological study of approximately 17,000 schoolchildren aged 4-20 years who participated in the 2014 Healthy Paraná Project. Anthropometric measurements were collected by applying a questionnaire with structured questions. Excessive screen time was defined as the combined use of TV and other screen-based devices for > 2 hours/day. Data were analyzed using bivariate analysis and hierarchical multiple regression. e overall prevalence of excessive screen time was 70.4% [68.1–72.9]. Multivariate analysis showed a significant association between excessive screen time and age (OR = 1.92; 95%CI: 1.60–2.33), economic status (OR = 2.48; 95%CI: 1.99–3.17), mother’s schooling (OR = 1.98; 95%CI: 1.57–2.68), living area (OR = 1.26; 95%CI: 1.04–1.56) and urbanization (OR = 2.94; 95%CI: 2.41–3.75). Among the behavioral correlates, less physical activity (OR = 1.42; 95%CI: 1.25–1.85), low fruit/vegetable intake (OR = 2.89; 95%CI: 2.25–3.70), consuming sweetened products/soft drinks (OR = 2.07; 95%CI: 1.63–2.70) and fewer hours of sleep (OR = 2.01; 95%CI: 1.60–2.62) were independently associated with excessive screen time. Likewise, excess body weight (OR = 1.81; 95%CI: 1.35–2.51) and abdominal fat (OR = 2.01; 95%CI: 1.62–2.73) were significantly associated with the outcome. In conclusion, the findings of the study suggest that policies and interventions targeting health education programs in school and family settings should include elements that focus on reducing excessive screen time.

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Author Biography

Dartagnan Pinto Guedes, University of Northern Parana, Londrina, Parana, Brazil.

Possui graduação em Educação Física pela Universidade Estadual de Londrina (1974), mestrado em Ciência do Movimento Humano pela Universidade Federal de Santa Maria (1984), doutorado em Educação Física pela Universidade de São Paulo (1994) e pós-doutorado em Condição Física e Saúde pela Universidade Técnica de Lisboa, Portugal (1997). Professor-Associado aposentado do Centro de Educação Física e Esporte da Universidade Estadual de Londrina, Paraná (1980-2011). Atualmente é professor-titular do Centro de Ciências Biológicas e da Saúde da Universidade Norte do Paraná (UNOPAR). Líder do Grupo de Estudo e Pesquisa em Atividade Física Relacionada à Saúde, criado em 1994, atendendo 3 linhas de pesquisa: (a) comportamento de risco para a saúde; (b) exercício físico para promoção/conservação da saúde; e (c) programas de ensino no campo da educação física. Desde 1998, é bolsista Produtividade em Pesquisa pelo CNPq. Exerce a função de revisor e possui artigos publicados em periódicos científicos de impacto nacional e internacional. É autor de livros em sua área de atuação e assessor científico no desenvolvimento de softwares direcionados à avaliação/prescrição de exercício físico.

 

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Published

2018-08-14

How to Cite

1.
Guedes DP, Desiderá RA, Gonçalves HR. Prevalence of excessive screen time and correlates factors in Brazilian schoolchildren. Rev. Bras. Ativ. Fís. Saúde [Internet]. 2018 Aug. 14 [cited 2024 Dec. 21];23:1-10. Available from: https://rbafs.org.br/RBAFS/article/view/11981

Issue

Vol. 23 (2018)

Section

Original Articles

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Copyright (c) 2018 Dartagnan Pinto Guedes, Robson Antônio Desiderá, Hélcio Rossi Gonçalves

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