Table 1.

Characteristics of Participants (N=43)

Variable	Mean (SD)	Range
Age (y)	77.0 (5.5)	66–88
Gender (n[% female])	29 (67)	NA
Comorbidity (0–8)	4.2 (2.0)	0–8
Usual gait speed (m/s)	.90 (.15)	.58–1.04
Energy Cost of walking (ml/kg m)	.30 (.10)	.12–.54
LLFDI-BLE function (0–100)	63.3 (9.6)	43–88

Abbreviations: LLFDI-BLE = Late Life Function and Disability Instrument – Basic Lower Extremity subscale; NA = not applicable