Table 1. .

Frontal-Plane Initial Impact-Phase Energy-Absorption Frequency Counts by Sex and Group Descriptives

Characteristic	Initial Impact-Phase Energy-Absorption Group
	High	Moderate	Low
Participants, No.
Women	20	9	12
Men	7	19	15
Total	27	28	27
Age, y
Women	21.05 ± 3.17	20.00 ± 1.50	20.92 ± 2.58
Men	21.14 ± 3.44	20.95 ± 1.62	21.20 ± 2.15
Total	21.07 ± 3.17	20.64 ± 1.62	21.07 ± 2.30
Height, m
Women	1.66 ± 0.07	1.68 ± 0.06	1.67 ± 0.04
Men	1.80 ± 0.05	1.81 ± 0.06	1.82 ± 0.07
Total	1.69 ± 0.09	1.77 ± 0.09	1.75 ± 0.10
Mass, kg
Women	59.46 ± 10.00	64.06 ± 8.68	61.91 ± 8.11
Men	78.80 ± 6.88	81.03 ± 19.61	77.86 ± 15.57
Total	64.47 ± 12.59	75.58 ± 18.54	70.77 ± 14.95
Total initial impact-phase energy absorption, % body weight × height
Womena,b	3.07 ± 1.47	1.11 ± 0.21	0.60 ± 0.21
Mena,b	2.07 ± 0.72	1.29 ± 0.23	0.52 ± 0.20
Totala,b	2.81 ± 1.37	1.23 ± 0.24	0.55 ± 0.21
95% confidence interval for total initial impact-phase energy absorption
Women	2.38, 3.76	0.95, 1.27	0.46, 0.73
Men	1.40, 2.74	1.17, 1.40	0.40, 0.63
Total	2.27, 3.35	1.14, 1.32	0.47, 0.63

^aIndicates high–initial impact-phase energy-absorption group was different from low–initial impact-phase energy-absorption group (P < .05).

^bIndicates high–initial impact-phase energy-absorption group was different from moderate–initial impact-phase energy-absorption group (P < .05).