Fig. 1From: Physical activity among children: objective measurements using Fitbit One® and ActiGraphBland–Altman plot (mean step counts/hour). Bland–Altman plot shows large mean individual biases and 95% limits of agreement between Fitbit One and Actigraph. The mean bias across children was 161.2 step counts per hour. Fitbit One gave higher step counts for all but the least active participantBack to article page