
The Use of a Fitbit Device for Assessing Physical Activity and Sedentary Behavior in Preschoolers
Keywords: accelerometer; children; preschool; AG; ActiGraph GT3X+; EZ; Equivalence zone; FF; FitBit Flex; MAPE; Mean absolute percent error; MVPA; Moderate-to-vigorous PA; PA; Physical activity; SED; Sedentary behavior;