Table 1.
Baseline Participant Characteristics
| Characteristics | Whey (n = 42) | Control (n = 38) | p |
|---|---|---|---|
| N (%) or Mean ± SD | N (%) or Mean ± SD | ||
| Age | 78.0±4.0 | 77.3±3.9 | 0.43 |
| Height (cm) | 164.2±7.7 | 165.1±9.6 | 0.64 |
| Body mass (kg) | 73.0±10.8 | 73.8±11.2 | 0.75 |
| BMI (body mass/height2) | 27.0±3.2 | 26.9±3.1 | 0.93 |
| SPPB | 8.5±1.2 | 8.5±1.7 | 0.87 |
| Medical diagnoses* | 3 (0–6) | 3 (0–6) | 0.95 |
| Number of medications* | 4 (0–8) | 3 (0–10) | 0.46 |
| Gender, female | 25 (60%) | 22 (58%) | 1.00 |
| Ethnicity | 0.53 | ||
| Asian or Pacific Islander | 2 (5%) | 1(2%) | |
| Black, not of Hispanic origin | 6 (14%) | 7 (18%) | |
| White, not of Hispanic origin | 28 (67%) | 28 (74%) | |
| Other or unknown | 6 (14%) | 2 (5%) |
*Median (range).