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. 2018 Sep 5;6(9):e10706. doi: 10.2196/10706

Table 2.

Two-way mixed-model intraclass correlation with measure of consistency.

Walking speed (km/h)	n	PiezoRx			Actigraph			Omron
		Intraclass correlation (95% CI)^a	P value	Intraclass correlation (95% CI)^a		P value	Intraclass correlation (95% CI)^a		P value
2.4	43	.71 (0.53 to 0.83)	<.001	.16 (−0.15 to 0.44)		.88	.14 (−0.16 to 0.42)		0.92
3.2	43	.80 (0.67 to 0.89)	<.001	.22 (−0.09 to 0.49)		.36	.28 (−0.02 to 0.53)^b		.04
4.0	42	.98 (0.97 to 0.99)	<.001	.70 (0.50 to 0.83)		<.001	.94 (0.90 to 0.97)		<.001
5.6	41	.99 (0.976 to 0.993)	<.001	.96 (0.93 to 0.98)		<.001	.39 (0.10 to 0.62)^b		.03
6.4	38	.95 (0.91 to 0.98)	<.001	.93 (0.86 to 0.96)		<.001	.53 (0.26 to 0.72)^b		.01
7.2	30	.99 (0.97 to 0.992)	<.001	.98 (0.95 to 0.99)		<.001	.66 (0.43 to 0.81)^b		<.001
Overall	N/A^c	.97 (0.965 to 0.978)	<.001	.72 (0.65 to 0.77)		<.001	.62 (0.54 to 0.69)^b		<.001

^aThree decimal places were used for clarity when necessary.

^bn=42.

^cN/A: not applicable.