TABLE 2.

Participant demographics and functional performance.

Chronological age (yrs)	74.70 ± 6.93
Brain-predicted age difference (yrs)	0.801 ± 6.29
Height (cm)	164.07 ± 10.26
Weight (kg)	72.06 ± 15.66
Body mass index (kg/cm2)	26.71 ± 5.14
Body fat (%)	35.04 ± 8.09
Appendicular lean mass/height2 (kg/cm2)	6.70 ± 1.19
Relative leg extensor strength (N-m/kg body weight)	86.16 ± 32.54
Accelerometry min/wk of moderate–vigorous activity	84.41 ± 56.23
Overall mobility battery assessment score	0.045 ± 0.972
6-minute walk test (m/sec)	1.34 ± 0.31
Four square step test (sec)	9.80 ± 3.87
Stair climb power (watts)	291.49 ± 106.51
5× chair rise (sec)	10.85 ± 3.62
Complex functional task (sec)	10.01 ± 8.65

yrs, years; cm, centimeters; kg, kilograms; N, Newtons; m, meters; wk, week; sec, seconds.