Table 1.
Participant characteristics
| Baseline Demographics | Mean, SD/Median or Frequency, % |
|||
|---|---|---|---|---|
| Female, n = 29 | Male, n = 19 | All, n = 48 | Range Min-Max | |
| Age, yr | 69.6 (3.3)/68.8* | 72.7 (5.4)/73.1 | 70.8 (4.5)/69.5 | 64.4–82.8 |
| Non-Hispanic Caucasian | 28 (96.6%) | 19 (100%) | 47 (98%) | |
| Asian | 1 (3.4%) | 0 (0%) | 1 (2%) | |
| African American | 0 (0.0%) | 0 (0%) | 0 (0%) | |
| Obese | 3 (10.3%) | 2 (10.5%) | 5 (10%) | |
| Sarcopenic | 0 (0%) | 3 (15.8%) | 3 (6%) | |
| BMI, kg/m2 | 25.1 (3.3)/25.7 | 26.5 (2.3)/26.8 | 25.6 (3.0)/26.0 | 18.5–30.3 |
| DXA total body fat, % | 39.3 (6.6)/40.6* | 29.3 (4.3)/27.2 | 35.4 (7.6)/35.5 | 24.3–50.9 |
Baseline demographics by sex of n = 48 MASTERS participants randomized to placebo. BMI, body mass index; DXA, dual-energy X-ray absorptiometry; MASTERS, Metformin to Augment Strength Training Effective Response in Seniors; SD, standard deviation.
*
Significant difference found between males and females.