The UP4FUN intervention effect on overall sedentary time and breaking up sedentary time in Belgian children (10–12 years): The ENERGY-project

Introduction Within the ENERGY-project [1] , a school-based intervention to reduce and to break up sedentary time (UP4FUN) was developed for children aged 10 to 12 years. This study examined the UP4FUN intervention effect on objectively measured overall sedentary time and sedentary pattern variables among Belgian children. Sedentary pattern variables included number of breaks in sedentary time, number of sedentary bouts (≥ 10 minutes) and total and average amount of time spent in those sedentary bouts. Methods The six weeks intervention was tested in a randomized controlled trial with pre-test post-test design with five intervention and five control schools in Belgium. The total sample incl…