Table 3. Change in body composition for 12 weeks training in each supplement group.
| Variable | Group | Training period (week) | p | η2 | ||||
|---|---|---|---|---|---|---|---|---|
| 0 | 4 | 8 | 12 | |||||
| Weight (kg) |
Pla | 76.7 ± 0.3 |
76.1 ± 9.6 |
75.9 ± 8.8 |
77.4 ± 8.9 |
Ex Suppl Ex x Suppl |
0.209 0.258 0.830 |
0.089 0.079 0.018 |
| Pro | 70.8 ± 10.7 |
71.2 ± 9.6 |
71.2 ± 9.1 |
72.3 ±8.6 |
||||
| FFM (kg) |
Pla | 58.9 ± 6.7 |
59.3 ± 6.0 |
58.5 ± 5.7 |
60.3 ± 6.2 |
Ex Suppl Ex x Suppl |
0.003†† 0.996 0.453 |
0.275 0.000 0.050 |
| Pro | 58.1 ± 6.3 |
59.8 ± 6.7 |
58.9 ± 6.1 |
60.3 ± 6.7 |
||||
| FFM (kg) |
Pla | 17.8 ± 4.8 |
16.8 ± 5.4 |
17.5 ± 4.9 |
17.1 ± 4.8 |
Ex Suppl Ex x Suppl |
0.132 0.057 0.824 |
0.116 0.208 0.003 |
| Pro | 12.7 ± 6.5 |
11.4 ± 6.2 |
12.3 ± 5.0 |
12.1 ± 5.4 |
||||
Note. Data are means ± S.D. Pla: placebo group, Pro: protein supplement group, Ex: exercise, Suppl: supplement, FFM: fat free mass, FM: fat mass.
††Significant main effect, p <0.01.