Table 4.

Baseline to post-intervention comparison of body composition.

Parameter	Baseline	Post	Baseline WB-HIIT vs. CTL	ANOVA Time × group
			p-value	p-value
Body fat percentage
WB-HIIT	31.6 [23.3, 34.7]	31.5 [21.8, 34.3]	0.541	N/A
CTL	31.3 [28.2, 37.4]	31.4 [29.0, 36.9]
Total fat mass (kg)
WB-HIIT	18.4 ± 5.8	18.4 ± 5.9	0.195	0.556
CTL	22.0 ± 8.3	22.3 ± 8.5
Total lean mass (kg)
WB-HIIT	42.4 ± 7.8	43.0 ± 7.7	0.420	0.261
CTL	45.5 ± 11.5	45.5 ± 11.8
Leg fat mass (kg)
WB-HIIT	8.1 ± 2.3	8.0 ± 2.3	0.341	0.329
CTL	9.0 ± 2.9	9.2 ± 3.1
Leg lean mass (kg)
WB-HIIT	16.6 ± 2.7	17.1 ± 2.6∗	0.290	0.014
CTL	18.0 ± 4.1	18.0 ± 4.0
Arm fat mass (kg)
WB-HIIT	1.9 ± 0.6	1.9 ± 0.5	0.233	0.272
CTL	2.2 ± 0.7	2.3 ± 0.8
Arm lean mass (kg)
WB-HIIT	4.5 ± 1.4	4.5 ± 1.3	0.361	0.922
CTL	5.1 ± 2.0	5.1 ± 2.1
Trunk fat mass (kg)
WB-HIIT	7.7 [5.0, 9.4]	7.4 [4.8, 9.4]	0.401	N/A
CTL	9.2 [5.1, 11.3]	8.9 [5.6, 11.7]
Trunk lean mass (kg)
WB-HIIT	18.4 ± 3.5	18.4 ± 3.5	0.594	0.943
CTL	19.3 ± 5.3	19.3 ± 5.5

Data presented as mean ± standard deviation or median [25th, 75th percentile]. ∗Significantly different from baseline value within this group (p < 0.05). CTL, control group. N/A, not applicable. WB-HIIT, whole-body high intensity interval training group.