Table 4.

Omnibus Test for the P3 Amplitude and Latency.

	Sum Sq	Mean Sq	F (DF)	p-value
Amplitude
mTBI	2.26	2.26	0.31 (1, 128)	0.576
Age	9.28	9.28	1.29 (1, 129)	0.258
Sex	1.81	1.81	0.25 (1, 126)	0.617
Combat exposure	4.95	4.95	0.69 (1, 127)	0.408
Site	294.10	147.05	20.47 (2, 269)	< 0.001
TrOnset	27.90	9.30	1.30 (3, 128)	0.279
Deployment	0.83	0.83	0.12 (1, 388)	0.734
CTT_InT	9.86	9.86	1.37 (1, 128)	0.244
CTT_NInT	32.99	32.99	4.59 (1, 128)	0.034
Deployment:TrOnset	87.42	29.14	4.06 (3, 389)	0.007
Deployment:CTT_InT	57.11	57.11	7.95 (1, 391)	0.005
Deployment:CTT_NInT	31.86	31.86	4.44 (1, 389)	0.036
Latency
mTBI	768.00	768.00	2.95 (1, 128)	0.088
Age	274.40	274.40	1.05 (1, 130)	0.306
Sex	4.70	4.70	0.02 (1, 126)	0.893
Combat exposure	87.60	87.60	0.34 (1, 126)	0.563
Site	6261.80	3130.90	12.04 (2, 644)	< 0.001
TrOnset	269.50	89.80	0.35 (3, 128)	0.793
Deployment	7166.30	7166.30	27.55 (1, 648)	< 0.001
CTT_InT	65.20	65.20	0.25 (1, 128)	0.617
CTT_NInT	3.40	3.40	0.01 (1, 128)	0.909
Deployment:TrOnset	3504.00	1168.00	4.49 (3, 651)	0.004
Deployment:CTT_InT	1558.80	1558.80	5.99 (1, 652)	0.015
Deployment:CTT_NInT	1615.80	1615.80	6.21 (1, 652)	0.013

F (DF) F-value (Num DF, Den DF), mTBI mild traumatic brain injury, CTT_InT cumulative interpersonal trauma type, CTT_NInT cumulative non-interpersonal trauma type, TrOnset trauma onset (4gp: Trauma < 10, Trauma 10–17, Trauma 18 + , No Trauma).