Table 2. Study population.
| Variable | Overall (n = 29) | High protein (n = 14) | Low protein (n = 15) | P |
|---|---|---|---|---|
| Age (y) | 22 (20–23) | 22 (21–23) | 21 (19–24) | 0.58 |
| Gender: male/female (%) | 9/20 (31.0/69.0) | 3/11 (21.4/78.6) | 6/9 (40.0/60.0) | 0.43 |
| Body mass index (kg/m2) | 21.03 (19.61–22.91) | 22.56 (20.55–23.18) | 20.98 (19.57–22.23) | 0.23 |
| Run-in diet: | ||||
| Calories (Kcal/day) | 2053.8 (379.4) | 2023.1 (322.0) | 2082.3 (435.7) | 0.68 |
| Protein (g/day) | 74.1 (67.5–84.3) | 73.0 (67.0–78.1) | 74.1 (67.5–95.0) | 0.59 |
| Carbohydrate (g/day) | 246.0 (67.0) | 235.8 (56.5) | 255.5 (76.3) | 0.44 |
| Fiber (g/day) | 17.4 (5.5) | 15.9 (3.5) | 18.7 (6.7) | 0.18 |
| Fat (g/day) | 94.3 (35.5) | 83.4 (37.6) | 104.4 (31.3) | 0.11 |
| Intervention diet: | ||||
| Calories (Kcal/day) | 1875.3 (383.4) | 2000.6 (293.0) | 1758.3 (428.8) | 0.09 |
| Protein (g/day) | 84.3 (50.0–124.5) | 124.6 (122.7–167.0) | 50.0 (43.3–58.5) | < 0.0001 |
| Carbohydrate (g/day) | 230.3 (63.4) | 204.0 (40.1) | 254.9 (72.2) | 0.03 |
| Fiber (g/day) | 17.1 (6.3) | 15.1 (3.5) | 19.0 (7.7) | 0.09 |
| Fat (g/day) | 93.1 (30.7) | 87.2 (25.8) | 98.7 (34.6) | 0.3 |