. 2016 May;51(5):366–372. doi: 10.4085/1062-6050-51.5.04

Table 3. .

Head-Impact Severity Descriptive and Statistical Results for Competitive Aggressiveness and Anger Scale Aggression Groups and Event Type Interaction and Main Effects

Variable	Competitive Aggressiveness and Anger Scale Score (n = 14/group)	Sessions, Mean (95% Confidence Interval)		Interaction Effect Between Group and Event Type		Main Effect
		Practices	Games	F Value	P Value	Group		Event Type
		Practices	Games	F Value	P Value	F Value	P Value	F Value	P Value
Linear acceleration, g	High	19.2 (17.4, 21.3)	20.0 (19.0, 21.0)	2.61	.118	0.23	.632	13.28	.001^b
Linear acceleration, g	Low	19.1 (17.6, 20.7)	21.1 (19.8, 22.5)	2.61	.118	0.23	.632	13.28	.001^b
Rotational acceleration, rad/s²	High	1773.5 (1607.9, 1956.3)	1834.3 (1688.5, 1992.8)	6.04	.021^a	3.62	.068	15.22	<.001^b
Rotational acceleration, rad/s²	Low	1512.8 (1397.3, 1637.6)	1754.8 (1623.9, 1896.2)	6.04	.021^a	3.62	.068	15.22	<.001^b
Head Impact Technology severity profile	High	13.4 (12.5, 14.3)	14.1 (13.5, 14.6)	0.84	.368	0.00	.995	12.80	.001^b
Head Impact Technology severity profile	Low	13.1 (12.6, 13.7)	14.3 (13.7, 15.0)	0.84	.368	0.00	.995	12.80	.001^b

Significant group-by-event type interaction effect.

Significant main effect for event type.