Sedentary behavior based on screen time: prevalence and associated sociodemographic factors in adolescents

Abstract The aim of this study to estimate the prevalence of sedentary behavior based on screen time ( ≥ 2-hour day) and to identify the association with sociodemographic factors among adolescents in a city in southern Brazil. This is an epidemiological survey of school-based cross-sectional study with students aged 14-19 years in the city of S ão José/SC - Brazil. Self-administered questionnaire was used, containing information sociodemographic, level of physical activity and about screen time. Descriptive statistics were performed, and odds ratios were estimated using binary logistic regression and 95% confidence level. The prevalence of excess screen time was 86.37% followed by computer use (55.24%), TV use (51.56%) and Videogame use (15.35%). Boys had higher prevalence of excessive video game use. Those of skin color different from white and mothers who studied less than eight years were more likely to watch too much TV, and th ose of low economic level were more likely of having excessive screen time. Girls of skin color different from white were more likely to watch too much TV, and those aged 14-16 years were more likely to have videogame use time and total time screen above recommended.Resumo O objetivo deste estudo foi estimar a preval ência de comportamentos sedentários baseado em tempo de tela ( ≥ 2 horas por dia) e identificar a associa ção com fatores sociodemográficos em adolescentes, de uma cidade do Sul do Brasil. Esta é uma pesquisa epidemiológ...
Source: Ciencia e Saude Coletiva - Category: Occupational Health Source Type: research