Table 5 Coefficients of determination (R ² ) between each activity monitor and metabolic cart determined MVPA

SC-StepRX (100, 120)

0.01

0.25*

0.64*

SC-StepRX (110, 130)

0.36*

0.45*

0.82*

SC-StepRX (120, 140)

0.59*

0.51*

0.74*

Walk4Life MVP (100, 120)

0.01

0.25*

0.69*

NL-1000 (4–9)

-

-

0.82*

Actical

0.45*

0.24*

0.78*

ActiGraph GT3X (Evenson)

0.09*

0.21*

0.71*

ActiGraph GT3X (Treuth)

0.29*

0.18*

0.77*

ActiGraph GT3X (Freedson)

0.37*

0.18*

0.81*