Regression estimates | Speed (km · h−1) | VO2 (ml · kg−1 · min−1) |
---|---|---|
 | Mean ∆ treadmill – track (95 % CI) | Mean ∆ treadmill – track (95 % CI) |
Intercepts of calibration equations | −0.02 (−0.16, 0.12) | 2.00 (1.18, 2.82)*** |
Slopes of Actigraph countsa | 1.5·10−4 (1.1·10−4, 1.9·10−4)*** | 2.9·10−4 (4.1·10−4, 9.8·10−4) |
Estimated speed or VO2 at specific Actigraph counts | ||
 … 2000 counts · min−1 | 0.29 (0.19, 0.39)*** | 2.85 (0.42, 3.28)*** |
 … 3300 counts · min−1 | 0.49 (0.37, 0.61)*** | 3.71 (3.18, 4.24)*** |
 … 4600 counts · min−1 | 0.70 (0.54, 0.86)*** | 4.79 (3.87, 5.71)*** |