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Table 4 Coefficients of determination (R 2 ) between each activity monitor and manually counted steps

From: Validity of SC-StepRx pedometer-derived moderate and vigorous physical activity during treadmill walking and running in a heterogeneous sample of children and youth

Stage

SC-StepRx

Walk4Life MVP

NL-1000

Actical

ActiGraph GT3X

1

0.21*

0.33*

0.05

0.09

0.21*

2

0.35*

0.29*

0.40*

0.30*

0.19*

3

0.37*

0.23*

0.30*

0.19*

0.09

4

0.98*

0.94*

0.97*

0.93*

0.87*

5

0.99*

0.98*

0.99*

0.97*

0.95*

Overall

0.88*

0.89*

0.87*

0.86*

0.86*

  1. *statistically significant association, p <0.05.