Table 2.

Performance in different motion scenarios.

	SDNN		RMSSD
Motion scenarios	mae ± sd (ms)	Pearson’s correlation coefficient	mae ± sd (ms)	Pearson’s correlation coefficient
Reading
Peak NC-VT	$3\pm 2$	0.99*	$6\pm 4$	0.98*
CDM	$5\pm 6$	0.92*	$11\pm 12$	0.75*
HRVCam	$3\pm 3$	0.97*	$4\pm 5$	0.95*
Watching
Peak NC-VT	$5\pm 7$	0.92*	$8\pm 9$	0.88*
CDM	$6\pm 5$	0.94*	$15\pm 11$	0.69*
HRVCam	$2\pm 2$	0.99*	$5\pm 5$	0.95*
Talking
Peak NC-VT	$28\pm 45$	—	$53\pm 70$	—
CDM	$16\pm 32$	—	$24\pm 29$	—
HRVCam	$9\pm 8$	0.82*	$14\pm 11$	0.69*

^*$p\text{-value}<0.01$