Table 1.

Acceleration and timing thresholds for each monitor location.

Thresholds	Ankle	Thigh	Waist
Maximum valid step acceleration (g)	−0.09	-	-
Time gap indicating missed steps (walking detected using SMA) (s)	2.5	1.25	1.25
Time gap indicating missed steps at either activity segment end (walking detected using SMA) (s)	2	1	1
Time gap indicating missed steps (walking detected using wavelet transform) (s)	8	4	4
Time gap indicating missed steps at either activity segment end (walking detected using wavelet transform) (s)	7.5	3.75	3.75
Time gap indicating missed steps (jogging) (s)	1.25	1.25	1.25
Time gap indicating missed steps at either activity segment end (jogging) (s)	1	1	1
Scaling factor to multiply adaptive timing threshold for walking by	1.825	1.298	1
Minimum value allowed for adaptive timing threshold (walking) (s)	0.5	0.25	0.25
Timing threshold for jogging (s)	0.25	0.125	0.125