Table 6 Sensitivity and specificity of each activity monitor for moderate and vigorous physical activity
Monitor | Moderate PA | Vigorous PA | Moderate and Vigorous PA | |||
|---|---|---|---|---|---|---|
Sensitivity | Specificity | Sensitivity | Specificity | Sensitivity | Specificity | |
SC-StepRx (100, 120) | 16.4 | 89.9 | 100.0 | 74.3 | 98.8 | 84.2 |
SC-StepRx (110, 130) | 44.3 | 97.1 | 100.0 | 88.6 | 92.9 | 96.5 |
SC-StepRx (120, 140) | 27.9 | 98.6 | 45.8 | 98.9 | 77.6 | 99.1 |
Walk4Life MVP (100, 120) | 16.4 | 91.3 | 95.8 | 77.1 | 97.7 | 87.7 |
NL-1000 (4–9) | - | - | - | - | 85.9 | 97.4 |
Actical | 80.3 | 84.1 | 37.5 | 97.1 | 91.8 | 91.2 |
ActiGraph GT3X (Evenson) | 26.2 | 92.0 | 70.8 | 82.9 | 87.1 | 92.1 |
ActiGraph GT3X (Treuth) | 39.3 | 92.0 | 41.7 | 92.6 | 76.5 | 98.3 |
ActiGraph GT3X (Freedson) | 62.3 | 89.1 | 37.5 | 94.9 | 87.1 | 96.5 |