Table 4.
Subset (N=50) from Community Sample Comparing the Validation Study Thresholds with Manufacturer’s Thresholds Using Paired T-Tests.
| Minutes per Day in MVPA (Mean ± SD) | t (p) | Effect Size | |
|---|---|---|---|
|
|
|
||
| Validation Study | |||
| Adolescent Ankle Thresholdsa | 40.1 ± 20.1 | reference | |
| Manufacturer’s Thresholds | |||
| Single Regression, MET a | 83.9 ± 61.0 | 5.2 (<.001) | 0.74 |
| Double Regression, MET a | 146.9 ± 53.8 | 15.0 (<.001) | 2.12 |
| Single Regression, MET b | 125.4 ± 38.9 | 25.5 (<.001) | 3.61 |
| Double Regression, MET b | 185.8 ± 47.6 | 28.3 (<.001) | 4.05 |
a
MET threshold for moderate activity=3.0
b
MET threshold for moderate activity=2.7 (manufacturer’s default)