Table 3. Cut-off points and accuracy of the daily step-based recommendations related to achieving at least 60 min per day of moderate-to-vigorous physical activity.

Step-based index	Cut-off point	%TP	AUC (95% CI)	Se	Sp	J max	P	k
Uncensored total steps	11,111 steps	14.29	0.94 (0.89-0.99)†	0.85	0.94	0.78	0.93	0.67†
Censored total steps	8,606 steps	20.63	0.95 (0.90-1.00)†	0.92	0.88	0.80	0.88	0.55†
Uncensored steps/ min	8.7 steps/ min	26.19	0.92 (0.85-0.99)†	0.92	0.81	0.74	0.83	0.44†
Censored steps/ min	45.1 steps/ min	31.75	0.76 (0.60-0.92)‡	0.85	0.74	0.59	0.75	0.31†
Min ≥ 65 steps/ min	60 min	14.29	0.90 (0.80-1.00)†	0.77	0.93	0.70	0.91	0.60†
Steps ≥ 65 steps/ min	5,684 steps	15.87	0.89 (0.78-1.00)†	0.85	0.92	0.77	0.91	0.62†
PC min ≥ 65 steps/ min	4.9%	19.05	0.89 (0.79-1.00)†	0.85	0.88	0.73	0.88	0.53†
PC steps ≥ 65 steps/ min	55.0%	15.08	0.80 (0.63-0.97)†	0.69	0.91	0.60	0.89	0.50†
Peak 1-min cadence	124 steps	34.13	0.76 (0.61-0.91)‡	0.77	0.71	0.48	0.71	0.24‡
Peak 30-min cadence	86 steps	39.68	0.73 (0.59-0.88)‡	0.69	0.64	0.33	0.64	0.15*
Peak 60-min cadence	72 steps	32.54	0.78 (0.64-0.91)‡	0.62	0.71	0.32	0.70	0.17*

%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.