Table 2:

Demographics of Fallers vs Non-fallers

Demographic Category	Fallers (n=30) Mean ± SD	Non-fallers (n=39) Mean ± SD	Difference, p value
Parent Study Group Assignment (n assigned to intervention group, %)	14 (46.7%)	21 (53.8%)	x-squared = 0.350 p=0.554
Age (years)	63.7 ± 8.51	65.18 ± 8.65	1.48, p=0.480
Height (m)	1.80 ± 0.087	1.78 ± 0.11	0.02, p=0.282
Mass (kg)	94.4 ±19.92	95.5 ± 22.9	1.10, p=0.839
Level of amputation	26 TTA† 1 TFA‡ 1 TTA† & TFA‡ 2 bilateral TTA†	38 TTA† 1 KD§	x-squared = 6.18 p=0.186
Race	23 Caucasian 3 African American 3 American Indian/Alaska Native 1 unreported	29 Caucasian 6 African American 3 American Indian/Alaska Native 1 unreported	x-squared = 0.527 p=0.913
Time since amputation (weeks)	57.81 ±67.97	68.75 ± 72.06	10.94, p=0.521
Average timed up and go at baseline (seconds)	20.53 ± 15.56	18.34 ±10.64	2.19, p=0.513
Average two minute walk at baseline (feet traveled)	298.2 ± 111.5	313.9 ± 121.58	15.7, p=0.582
Average gait speed at baseline (meters/second)	0.825 ± 0.278	0.866 ± 0.308	0.041, p=0.565
Average step count at baseline (steps/day)	1582.3 ± 1393.6	1669.7 ± 1386.2	87.4, p=0.796

^†Transtibial Amputation

^‡Transfemoral Amputation

^§Knee Disarticulation Amputation

SD = standard deviation