Table 1.

Quantity of data collected for each activity.

Activity	Samples	Time (min)	Number of Steps
Walking	1,075,211	179	9438
Stair Ascent	139,922	23	1286
Stair Descent	122,379	20	1280
Ramp Ascent	73,328	12	656
Ramp Descent	79,436	13	754
Stop	121,027	20	-
Total	1,611,303	268	13,414