Table 5. Cut-off points and accuracy of the daily step-based recommendations related to having less than 69% of the day in sedentary behavior.
Step-based index Cut-off point %TP AUC (95% CI) Se Sp J max P k
Uncensored total steps 7,773 steps 58.73 0.87 (0.81-0.93) 0.87 0.70 0.57 0.79 0.57
Censored total steps 6,836 steps 48.41 0.84 (0.78-0.91) 0.75 0.78 0.52 0.76 0.52
Uncensored steps/ min 7.4 steps/ min 49.21 0.88 (0.82-0.94) 0.79 0.81 0.60 0.80 0.60
Censored steps/ min 38.8 steps/ min 65.87 0.59 (0.49-0.69) 0.76 0.44 0.21 0.60 0.21*
Minutes 0 steps/ min 652.9 min 58.73 0.87 (0.82-0.93) 0.89 0.71 0.60 0.80 0.60
Minutes < 5 steps/ min 911.4 min 58.73 0.74 (0.65-0.82) 0.79 0.62 0.41 0.71 0.41
Steps < 5 steps/ min 473.6 steps 54.76 0.78 (0.69-0.86) 0.32 0.22 -0.46 0.27 0.46
PC minutes 0 steps/ min 51.8% 29.37 0.76 (0.66-0.86) 0.57 0.98 0.56 0.78 0.56
PC minutes < 5 steps/ min 74.7% 30.16 0.77 (0.67-0.87) 0.60 1.00 0.60 0.80 0.60
PC steps < 5 steps/ min 5.6% 50.79 0.65 (0.55-0.76)* 0.63 0.62 0.25 0.63 0.25
Minutes 0 steps/ min (bouts) 321.1 min 46.03 0.89 (0.83-0.94) 0.78 0.86 0.63 0.82 0.64
Minutes < 5 steps/ min (bouts) 737.2 min 59.52 0.81 (0.74-0.89) 0.84 0.65 0.49 0.75 0.49
PC minutes 0 steps/ min (bouts) 28.3% 56.35 0.91 (0.87-0.96) 0.92 0.79 0.71 0.86 0.71
PC minutes < 5 steps/min (bouts) 62.4% 51.59 0.96 (0.93-0.99) 0.90 0.87 0.78 0.89 0.78
Steps bottom 240 min 0.9 steps 1.59 0.52 (0.42-0.62) 0.03 1.00 0.03 0.52 0.03
Steps bottom 360 min 0.5 steps 13.49 0.62 (0.52-0.72)* 0.25 0.98 0.24 0.62 0.24
Steps bottom 480 min 0.2 steps 41.27 0.75 (0.66-0.84) 0.65 0.83 0.48 0.74 0.48
Steps bottom 600 min 28.4 steps 46.03 0.83 (0.75-0.90) 0.73 0.81 0.54 0.77 0.54
%TP, Percentage of total positive cases according to the specified cut-off point; AUC (95% CI), Area Under the Curve (95% confident interval); Se, Sensitivity; Sp, Specificity; J max, Youden’s index; P, Percentage of agreement; k, Kappa coefficient; PC, Percentage.
* p < 0.05,
‡ p < 0.01
† p < 0.001.