期刊
JORNAL DE PEDIATRIA
卷 95, 期 2, 页码 155-165出版社
SOC BRASIL PEDIATRIA
DOI: 10.1016/j.jped.2018.04.011
关键词
Sedentary lifestyle; Adolescent; Meta-analysis
类别
Purpose: To evaluate the prevalence of excessive screen-based behaviors among Brazilian adolescents through a systematic review with meta-analysis. Data source: Systematic review and meta-analysis were recorded in the International Prospective Register of Ongoing Systematic Reviews (PROSPERO-CRD 2017 CRD42017074432). This review included observational studies (cohort or cross-sectional) that evaluated the prevalence of excessive screen time (i.e. combinations involving different screen-based behaviors) or TV viewing (>2 h/day or > 2 h/day in front of screen) through indirect or direct methods in adolescents aged between 10 and 19 years. The research strategy included the following databases: MEDLINE, LILACS, SciELO and ADOLEC. The search strategy included terms for screen time'', Brazil'', and prevalence''. Random effect models were used to estimate the prevalence of excessive screen time in different categories. Data summary: Twenty-eight out of 775 studies identified in the search met the inclusion criteria. The prevalence of excessive screen time and TV viewing was 70.9% (95% CI: 65.5-76.1) and 58.8% (95% CI: 49.4-68.0), respectively. There was no difference between sexes in both analyses. The majority of studies included showed a low risk of bias. Conclusions: The prevalence of excessive screen time and TV viewing was high among Brazilian adolescents. Intervention are needed to reduce the excessive screen time among adolescents. (C) 2018 Sociedade Brasileira de Pediatria. Published by Elsevier Editora Ltda.
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