Figure 1From: Comparison of three generations of ActiGraph activity monitors under free-living conditions: do they provide comparable assessments of overall physical activity in 9-year old children? Differences between 16 outputs of mcpm from AM7164 and a) GT1M and b) GT3X+ in percent, and c) difference between GT3X+ and GT1M in percent. Reference-lines are mean differences and ±2SD.Back to article page