Table 4.
Baseline to post-intervention changes in common measures of body composition
| Study | Outcome measure | HIIT Baseline Mean ± SD | HIIT Post-test Mean ± SD | Mean change (from baseline) | Effect size (Cohen’s d) |
|---|---|---|---|---|---|
| Boer et al. 2014 [27] | BMI | 28.4 ± 4.7 | 27.7 ± 4.7 | –0.7 | –0.15 |
| Lauglo et al. 2016 [29] | BMI | 21.0 | 21.4 | 0.4 | N.A. |
| Soori et al. 2022 [35] | BMI (z-score) | 1.63 ± 0.27 | 1.43 ± 0.66 | –0.2 | –0.40 |
| Taylor et al. 2019 [36] | BMI | 26.0 ± 7.0 | 25.7 ± 7.1 | –0.3 | –0.04 |
| Torabi et al. 2018 [37] | BMI (boys only) | 24.4 ± 3.5 | 23.6 ± 3.8 | –0.8 | –0.22 |
| Torabi et al. 2018 [37] | BMI (girls only) | 26.7 ± 2.6 | 25.4 ± 2.1 | –1.3 | –0.55 |
| Zwinkels et al. 2019 [39] | BMI | 22.2 ± 4.8 | 22.3 ± 5.1 | 0.1 | 0.02 |
| Zwinkels et al. 2019 [39] | BMI (z-score) | 1.31 ± 1.4 | 1.29 ± 1.4 | –0.02 | –0.01 |
| Boer et al. 2014 [27] | Waist circumference (cm) | 95.8 ± 13.1 | 91.5 ± 13.1 | –4.3 | –0.33 |
| Taylor et al. 2019 [36] | Waist circumference (cm) | 81.0 ± 13.7 | 80.3 ± 13.6 | –0.7 | –0.05 |
| Zwinkels et al. 2019 [39] | Waist circumference (cm) | 79.2 ± 14.5 | 79.4 ± 14.1 | 0.2 | 0.01 |
| Boer et al. 2014 [27] | Body fat (%) | 34.2 ± 6.9 | 30.4 ± 7.0 | –3.8 | –0.55 |
| Lauglo et al. 2016 [29] | Body fat (%) | 30.9 | 29.9 | 1.0 | N.A. |
| Taylor et al. 2019 [36] | Body fat (%) | 30.2 ± 10.6 | 28.7 ± 11.2 | –1.5 | –0.14 |
| Lauglo et al. 2016 [29] | Fat mass (kg) | 15.7 | 16.2 | 0.5 | N.A. |
| Soori et al. 2022 [35] | Fat mass (kg) | 27.9 ± 5.9 | 26.0 ± 5.7 | –1.9 | –0.32 |
| Torabi et al. 2018 [37] | Fat mass (kg, boys only) | 25.5 ± 5.9 | 22.6 ± 5.5 | –2.9 | –0.51 |
| Torabi et al. 2018 [37] | Fat mass (kg, girls only) | 29.1 ± 5.8 | 27.8 ± 5 | –1.3 | –0.24 |
| Zwinkels et al. 2019 [39] | Fat mass (kg) | 30.4 ± 10.4 | 30.4 ± 10.4 | 0 | 0 |
BMI body mass index