Association between screen time and the variation of food intake markers among school-aged adolescents in Niterói/RJ, Brazil

Abstract Background Changes in eating habits may be associated with sedentary behaviors by favoring excessive weight gain among adolescents, and consequently leading to the occurrence of chronic Non-Communicable Diseases (NCD). Objective To evaluate the association between screen time and consumption of healthy and unhealthy food markers in adolescents. Method A longitudinal study with adolescents aged from 10-16 years of public schools in Niterói, in the state of Rio de Janeiro/Brazil was performed in 2014. It was applied a questionnaire about screen time, food consumption frequency and socio-demographic variables. Generalized linear models were applied with p-value