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

Résumé 0

"The aim of this study to estimate the prevalence of sedentary behavior based on screen time ( ≥ 2-hour day) and to identify the associa - tion with sociodemographic factors among adoles - cents in a city in southern Brazil. This is an epide - miological survey of school-based cross-sectional study with students aged 14-19 years in the city of São José/SC - Brazil. Self-administered ques - tionnaire was used, containing information socio - demographic, level of physical activity and about screen time. Descriptive statistics were performed, and odds ratios were estimated using binary logis - tic regression and 95% confidence level. The prev - alence 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 prev - alence of excessive video game use. Those of skin color different from white and mothers who stud - ied less than eight years were more likely to watch too much TV, and those 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 ."