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. Author manuscript; available in PMC: 2011 Jan 1.

Published in final edited form as: Psychophysiology. 2009 Aug 7;47(1):123–132. doi: 10.1111/j.1469-8986.2009.00876.x

Table 3.

Univariate probit regression results of each component for each diagnostic group.

	CD		ADHD		ODD		ND		AAD		DAD
	Z	R²	z	R²	z	R²	z	R²	z	R²	z	R²
P3	2.78 ^**	0.07	1.60	0.06	3.20 ^***	0.14	2.85 ^**	0.15	3.40 ^***	0.15	1.99 ^*	0.09
PC1	2.24^*	0.05	2.11^*	0.12	2.68^**	0.13	2.60^**	0.20	3.05 ^**	0.17	2.01 ^*	0.18
PC2	3.08 ^**	0.09	2.12^*	0.14	3.34^***	0.18	2.83 ^**	0.23	3.45 ^***	0.27	2.17^*	0.15
PC3	3.24^***	0.09	2.34^*	0.13	3.60 ^***	0.20	2.94^**	0.25	3.48 ^***	0.22	2.13^*	0.15
PC4	3.07^**	0.09	1.79	0.11	3.34^***	0.17	2.74^**	0.20	3.42 ^***	0.22	1.76	0.09
PC5	2.32^*	0.04	1.88	0.08	2.71 ^**	0.13	2.64^**	0.18	2.99 ^**	0.15	1.85	0.12

P3(mean)	2.78^**	0.07	1.69	0.06	3.24^***	0.14	2.89^**	0.15	3.46^***	0.16	2.03^*	0.08
PC3-TD	2.88^**	0.07	2.09^*	0.10	3.33^***	0.17	2.80^**	0.21	3.32^***	0.19	1.80	0.11

P3(mean)=mean amplitude within a 40ms window centered on the peak of P3

PC3-TD=mean amplitude in time-domain within the time range spanned by PC3

Note: df=1 for all tests; R²=McKelvey & Zavoina’s pseudo-R²

^*

p≤.05

^**

p≤.01

^***

p≤.001