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- Title
Changes in Screen Time in Brazil: A Time-Series Analysis 2016-2021.
- Authors
Cardoso, Pollyanna Costa; Caldeira, Thaís Cristina Marquezine; Sousa, Taciana Maia de; Claro, Rafael Moreira
- Abstract
Purpose: To analyze the temporal trend of leisure screen time among adults in Brazil between 2016 and 2021. Design: Time-series analysis of six cross-sectional surveys. Setting: Data from the Surveillance System for Risk and Protective Factors for Chronic Diseases by Telephone Survey (Vigitel) (2016/21). Subjects: A probabilistic sample of 265 252 adults (≥18 years). Measures: Time watching television (TV), or using cell phone, computer, or tablet (CCT) during leisure time, and indicators of prolonged exposure for the total population and sociodemographic groups. Analysis: Prais-Winsten regression models were used to identify trends in the studied period. Results: Mean time watching TV remained stable (2.3 h to 2.2 h/day) as the frequency of adults watching TV ≥ 3 hours/day (25.7% to 25.1%) for 2016/21. There was an increase in mean time spent on CCT (1.7 h to 2.0 h/day;.08 h/day/year; P <.001) and in the frequency of adults spending ≥ 3 hours/day on CCT (19.9% to 25.5%; 1.33 pp/year; P <.001) for 2016/21. The increase in screen time was relevant in all sociodemographic groups. Conclusion: Leisure screen time has increased in Brazil, with greater intensity over time.
- Subjects
BRAZIL; SCREEN time; TIME series analysis; REGRESSION analysis; LEISURE; CELL phones
- Publication
American Journal of Health Promotion, 2023, Vol 37, Issue 5, p681
- ISSN
0890-1171
- Publication type
Article
- DOI
10.1177/08901171231152147