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THE JOURNAL OF SPORTS MEDICINE AND PHYSICAL FITNESS

Rivista di Medicina, Traumatologia e Psicologia dello Sport


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ORIGINAL ARTICLE  EPIDEMIOLOGY AND CLINICAL MEDICINE


The Journal of Sports Medicine and Physical Fitness 2018 March;58(3):318-25

DOI: 10.23736/S0022-4707.17.06980-8

Copyright © 2017 EDIZIONI MINERVA MEDICA

lingua: Inglese

Screen time by different devices in adolescents: association with physical inactivity domains and eating habits

Leandro D. DELFINO 1, Diego A. dos SANTOS SILVA 2, William R. TEBAR 3, Edner F. ZANUTO 1, Jamile S. CODOGNO 1, 3, Rômulo A. FERNANDES 1, 3, Diego G. CHRISTOFARO 1, 3

1 Physiotherapy Post Graduation Program, São Paulo State University, Presidente Prudente, Brazil; 2 Physical Education Post Graduation Program, Santa Caterina Federal University, Florianopolis, Brazil; 3 Motricity Sciences Post Graduation Program, São Paulo State University, Rio Claro, Brazil


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BACKGROUND: Sedentary behaviors in adolescents are associated with using screen devices, analyzed as the total daily time in television viewing, using the computer and video game. However, an independent and clustered analysis of devices allows greater understanding of associations with physical inactivity domains and eating habits in adolescents.
METHODS: Sample of adolescents aged 10-17 years (N.=1011) from public and private schools, randomly selected. The use of screen devices was measured by hours per week spent in each device: TV, computer, videogames and mobile phone/tablet. Physical inactivity domains (school, leisure and sports), eating habits (weekly food consumption frequency) and socioeconomic status were assessed by questionnaire.
RESULTS: The prevalence of high use of mobile phone/tablet was 70% among adolescents, 63% showed high use of TV or computer and 24% reported high use of videogames. High use of videogames was greater among boys and high use of mobile phone/tablet was higher among girls. Significant associations of high use of TV (OR=1.43, 95% CI: 1.04-1.99), computer (OR=1.44, 95% CI: 1.03-2.02), videogames (OR=1.65, 95% CI: 1.13-2.69) and consumption of snacks were observed. High use of computer was associated with fried foods consumption (OR=1.32, 95% CI: 1.01-1.75) and physical inactivity (OR=1.41, 95% CI: 1.03-1.95). Mobile phone was associated with consumption of sweets (OR=1.33, 95% CI: 1.00-1.80). Cluster using screen devices showed associations with high consumption of snacks, fried foods and sweets, even after controlling for confounding variables.
CONCLUSIONS: The high use of screen devices was associated with high consumption of snacks, fried foods, sweets and physical inactivity in adolescents.


KEY WORDS: Sedentary lifestyle - Adolescents - Physical activity - Eating behavior

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Publication History

Issue published online: February 9, 2018
Article first published online: April 28, 2017
Manuscript accepted: April 17, 2017
Manuscript revised: April 11, 2017
Manuscript received: September 4, 2016

Per citare questo articolo

Delfino LD, dos Santos Silva DA, Tebar WR, Zanuto EF, Codogno JS, Fernandes RA, et al. Screen time by different devices in adolescents: association with physical inactivity domains and eating habits. J Sports Med Phys Fitness 2018;58:318-25. DOI: 10.23736/S0022-4707.17.06980-8

Corresponding author e-mail

diegochristofaro@yahoo.com.br