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. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: Arch Phys Med Rehabil. 2014 Oct 31;96(3):524–531. doi: 10.1016/j.apmr.2014.10.009

FIGURE 4.

FIGURE 4

Bland-Altman plots illustrating the differences between energy expenditure, expressed in kcal/min, estimated by the Actigraph (ACT)a, SenseWear Armband (SWA)b, and the criterion method (VO2000)c, across the 3 walking activities.

Blue solid line indicates difference between measures from portable device and VO2000. Blue dashed lines indicate 95% confidence interval around the difference between devices. Red dashed lines indicate the 95% limit of agreement between pooled mean from both devices.