TABLE 4.

Correlations between brain-predicted age difference and functional performance measures.

Covariates	Chronological age	Chronological age
	Sex	Sex
		Average leg extensor strength
Average leg extensor strength	−0.317*	N/A
Overall MBA Score	−0.302*	–0.163
6MWT	–0.326	–0.183
FSST	0.278*	0.183
SCP	–0.046	–0.005
5CR	0.316*	0.159
CFT	0.162	0.009

MBA, mobility battery assessment; 6MWT, six-minute walk test; FSST, four square step test; SCP, stair climb power; 5CR, five times chair rise; CFT, complex functional task. *Statistical significance (p < 0.05). **Statistical significance (p < 0.001).