Table 2.
Changes in indicators of body composition in the HIIT+RT and HIIT groups.
| Measurement | Group | PRE | POST | Within-group differences |
Between-group differences | Effect size |
|---|---|---|---|---|---|---|
| Mean (SD) | Mean (SD) | Mean (95%CI) | Mean (95% CI) | |||
| Body weight (kg) | ||||||
| HIIT+RT | 74.48 ± 9.75 | 72.82 ± 9.67 | -1.66 (-2.68 to -0.65) ** | NA | 0.791 | |
| HIIT | 73.11 ± 9.85 | 71.62 ± 9.44 | -1.49 (-2.20 to -0.78) ** | NA | 1.006 | |
| HIIT+RT vs HIIT | NA | NA | NA | -0.12 (-1.30 to 1.07) | 0.001 | |
| BMI (kg/m2) | ||||||
| HIIT+RT | 28.67 ± 2.66 | 28.03 ± 2.66 | -0.65 (-1.05 to -0.25) ** | NA | 0.778 | |
| HIIT | 28.62 ± 3.00 | 27.94 ± 2.90 | -0.68 (-1.01 to -0.35) ** | NA | 0.998 | |
| HIIT+RT vs HIIT | NA | NA | NA | 0.04 (-0.46 to 0.53) | 0.001 | |
| Body fat (%) | ||||||
| HIIT+RT | 34.71 ± 3.09 | 33.24 ± 3.27 | -1.47 (-2.04 to -0.90) ** | NA | 1.245 | |
| HIIT | 34.21 ± 2.75 | 33.51 ± 2.82 | -0.70 (-1.18 to -0.22) ** | NA | 0.706 | |
| HIIT+RT vs HIIT | NA | NA | NA | -0.76 (-1.49 to -0.03) | 0.113 | |
| Muscle mass (%) | ||||||
| HIIT+RT | 44.20 ± 4.36 | 46.02 ± 4.29 | 1.82 (1.20 to 2.43) ** | NA | 1.431 | |
| HIIT | 43.68 ± 4.13 | 42.78 ± 4.29 | -0.90 (-1.82 to 0.02) | NA | 0.472 | |
| HIIT+RT vs HIIT | NA | NA | NA | 2.75 (1.68 to 3.82) ** | 0.437 | |
| WC (cm) | ||||||
| HIIT+RT | 86.24 ± 5.32 | 85.03 ± 4.86 | -1.21 (-1.96 to -0.46) ** | NA | 0.782 | |
| HIIT | 86.61 ± 6.40 | 85.24 ± 6.74 | -1.37 (-2.09 to -0.65) ** | NA | 0.913 | |
| HIIT+RT vs HIIT | NA | NA | NA | 0.15 (-0.86 to 1.15) | 0.002 | |
| Waist-hip ratio | ||||||
| HIIT+RT | 0.85 ± 0.03 | 0.83 ± 0.03 | -0.02 (-0.03 to -0.01) ** | NA | 0.926 | |
| HIIT | 0.85 ± 0.03 | 0.83 ± 0.04 | -0.02 (-0.02 to -0.01) ** | NA | 0.995 | |
| HIIT+RT vs HIIT | NA | NA | NA | -0.002 (-0.014 to 0.009) | 0.004 | |
BMI, Body mass index; WC, Waist circumference; *: p<0.05; **: p<0.01.