Table 1: Characteristics of the 202 participants (males , females ).

VariableMalesFemales
mean (SD)mean (SD)

Age (years)73.6 (5.8)74.0 (6.1)
Body mass index (kg* m2)26.6 (3.8)26.6 (4.5)
Total fat (kg)21.8 (7.8)26.2 (8.9)
Total lean (kg)53.2 (7.5)36.4 (6.0)
Physical performance test (36 possible)31.8 (4.4)30.3 (4.7)
Knee extension strength ( )384.5 (101.4)247.0 (78.2)
6-minute walk (meters)512.0 (109.5)445.7 (106.6)
Self-selected gait speed (m/s)*1.52 (0.26)1.36 (0.29)

*gait speed calculated by 4 meter gait speed test.