Skip to main content

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
  1. OSRAC-P, Observational System for Recording Physical Activity in Children-Preschool; ROC-AUC, area under the Receiver Operating Characteristic curve