Table 5 Agreement, sensitivity, specificity and area under the Receiver Operating Characteristic curve for each cut point
From: Feasibility and validity of accelerometer measurements to assess physical activity in toddlers
Cut point | Pate | Sirard 3-year olds | Van Cauwenberghe | ||||
|---|---|---|---|---|---|---|---|
Overall agreement% | 58.3 | 52.7 | 52.2 | ||||
OSRAC-P activity intensity level | Test | 95% CI | 95% CI | 95% CI | |||
Stationary and motionless to stationary with movement of limbs or trunk behavior (sedentary behavior; n = 2125 observation intervals) | Sensitivity% | 67.0 | 64.9 - 68.9 | 91.8 | 90.5 - 92.9 | 94.4 | 93.3 - 95.3 |
Specificity% | 75.4 | 73.5 - 77.2 | 23.9 | 22.0 - 25.7 | 17.2 | 15.6 - 18.8 | |
ROC-AUC | 0.71 | 0.70 - 0.73 | 0.58 | 0.56 - 0.59 | 0.56 | 0.54 - 0.57 | |
Slow, easy movement (light physical activity; n = 1531 observation intervals) | Sensitivity% | 60.0 | 57.5 - 62.4 | 14.6 | 12.8 - 16.4 | 9.0 | 7.6 - 10.6 |
Specificity% | 63.2 | 61.3 - 65.0 | 89.0 | 87.8 - 90.2 | 93.7 | 92.7 - 94.6 | |
ROC-AUC | 0.62 | 0.60 - 0.63 | 0.52 | 0.50 - 0.53 | 0.51 | 0.50 - 0.53 | |
Moderate to fast movement (moderate-to-vigorous physical activity; n = 562 observation intervals) | Sensitivity% | 21.5 | 18.2 - 25.2 | 8.9 | 6.7 - 11.6 | 10.0 | 7.6 - 12.7 |
Specificity% | 93.1 | 92.2 - 93.9 | 97.1 | 96.5 - 97.6 | 96.9 | 96.2 - 97.4 | |
ROC-AUC | 0.57 | 0.56 - 0.59 | 0.53 | 0.52 - 0.55 | 0.53 | 0.52 - 0.55 | |