Prevalence of excessive screen time and associated factors in a school from a city in the northeast of brazil

Abstract

Suggested citation: Munaro HLR, Silva DAS, Lopes AS. Prevalence of excessive screen time and associated factors in school of a northeast city. J Hum Growth Dev. 2016; 26(3): 360-367 INTRODUCTIONSedentary behaviour is defi ned as a set of activities with energy expenditure close to rest values, typically held in a sitting position, including activities such as watching television, using a computer, playing video games, talking on the phone, or talking with friends 1,2 . One of the most used criteria to estimate the time sitting watching television and in front of a computer or video game, considers those who spend two or more hours a day in front of such a device to be engaging in sedentary behaviour 3 . In recent years, use of the term "screen time" has emerged as a way to analyse this sedentary behaviour in studies with scholars, being defi ned as one of the dimensions of sedentary behaviour, held in front of a screen. This includes watching television, using a computer and playing video games (with the exception of interactive games and portable devices), when used in a seated position or lying down 2 . A study that estimated the prevalence of sedentary behaviour related to the screen time, conducted in 2005/2006, with data from 40 countries of Europe and of the United States, showed that 66% of male and 68% of Abstract:Introduction: Studies about screen time and its correlates are generally determined by the sum of the duration of several behaviours. Studies that analysed behaviours separately highlighted different correlates.

Effects of two types of low impact physical training on screen time among overweight adolescents

“…Therefore, the focus for control of cardiometabolic risk factors is fundamental in order to, at least, counterbalance the negative effects of physical inactivity in front of the screen 30,31 . Thus, physical exercise practice is paramount in BMI reduction, as achieved in the present study.…”

Screen time above recommendations in children and adolescents: analysis of the associated nutritional, behavioral and parental factors

“…Munaro et al 37 collected data on the lifestyle of 1,163 students, and found that 1/3 of them presented sedentary behaviour and screen time greater than two hours/day. In Canada, it has been observed that health promotion initiatives in schools are determining factors for lifestyle behaviour and school performance 38 .…”