Table 1 Baseline characteristics of study participants (Mean ± SD, unless indicated)

Race: (% Caucasian/African-American)

83/17

92/8

Sex: (% Male/Female)

31/69

38/62

Age (yrs)

70.1 ± 2.5

70.3 ± 3.7

Body mass index (kg/m²)

34.7 ± 3.8

34.0 ± 3.4

Weight (kg)

96.8 ± 30.9

93.7 ± 15.1

Fat mass (kg)

40.3 ± 7.5

42.4 ± 9.6

Lean mass (kg)

47.3 ± 7.2

50.3 ± 1.2