Table 1.

Statistics of the magnitude of acceleration in various smartphone usage environments (m/s${}^2$).

Step Mode		Device Pose
		Texting	Swinging	Calling	Pocket	Backpack	Handbag	Arm-Band
walking	mean	9.485	9.790	9.679	10.254	10.172	9.512	9.773
	SD	0.426	0.489	0.386	1.251	0.709	0.480	0.486
running	mean	9.460	9.754	9.545	9.278	8.641	9.838	9.079
	SD	1.064	1.358	1.685	2.293	2.115	1.258	2.338
free-walking	mean	9.469	9.741	9.596	9.882	9.612	9.808	9.555
	SD	0.972	1.151	1.182	1.868	1.819	1.074	1.683