. Author manuscript; available in PMC: 2013 Mar 1.

Published in final edited form as: J Child Psychol Psychiatry. 2011 Sep 26;53(3):271–282. doi: 10.1111/j.1469-7610.2011.02463.x

Table 5.

Group Comparisons on CBCL & YSR Subscales in a Clinic-Referred Sample

	Youth or Parent
	Control	CU-Only	CD-Only	CD+CU	Test Statistic	η _p²
CBCL Externalizing	*(n=323)*	*(n=145)*	*(n=33)*	*(n=32)*
CBCL Externalizing	67.51(10.08)^a	71.95(8.47)^b	77.09(7.49)^c	79.57(6.65)^c	F(3,528)=27.14^***	.134
Aggression	*(n=316)*	*(n=143)*	*(n=33)*	*(n=31)*
Aggression	1.95(1.98)^a	2.60(1.99)^b	3.70(1.94)^c	4.83(1.58)^d	F(3,518)=26.74^***	.134
Cruelty	*(n=303)*	*(n=137)*	*(n=33)*	*(n=31)*
Cruelty	0.81(0.97)^a	1.37(1.08)^b	1.45(1.27)^b	2.27(1.10)^c	F(3,499)=26.04^***	.135
YSR Externalizing	*(n=146)*	*(n=85)*	(n=25)	(n=26)
YSR Externalizing	56.48(10.12)^a	58.36(12.85)^ab	63.21(12.51)^bc	65.76(9.98)^c	F(3,277)=6.65^***	.067
Aggression	*(n=140)*	*(n=83)*	(n=25)	*(n=26)*
Aggression	1.03(1.40)^a	1.16(1.40)^a	2.00(1.83)^b	2.42(1.90)^b	F(3,269)=8.38^***	.085
	Youth
	Control	CU-Only	CD-Only	CD+CU	Test Statistic	η _p²
CBCL Externalizing	*(n=198)*	*(n=30)*	*(n=40)*	*(n=11)*
CBCL Externalizing	67.11(9.62)^a	70.00(7.63)^a	76.44(7.48)^b	78.22(8.32)^b	F(3,274)=16.09^***	.150
Aggression	*(n=195)*	*(n=28)*	*(n=39)*	*(n=11)*
Aggression	1.82(1.82)^a	2.41(2.12)^a	3.68(1.93)^b	4.56(1.51)^b	F(3,268) = 17.42^***	.163
Cruelty	*(n=197)*	*(n=30)*	*(n=40)*	*(n=11)*
Cruelty	0.84(0.96)^a	1.10(0.76)^ab	1.69(1.31)^c	1.76(1.01)^bc	F(3,273)=10.06^***	.100
YSR Externalizing	*(n=200)*	*(n=30)*	*(n=40)*	*(n=11)*
YSR Externalizing	56.64(11.18)^a	59.99(10.63)^ab	63.39(12.07)^bc	68.61(6.39)^c	F(3,276)=7.61^***	.076
Aggression	*(n=192)*	*(n=30)*	*(n=40)*	*(n=11)*
Aggression	1.04(1.39)^a	1.23(1.45)^a	1.95(1.83)^b	3.18(1.72)^c	F(3,268)=10.32^***	.104
	Parent
	Control	CU-Only	CD-Only	CD+CU	Test Statistic	η _p²
CBCL Externalizing	*(n=361)*	*(n=104)*	*(n=45)*	*(n=20)*
CBCL Externalizing	67.79(9.91)^a	72.86(8.05)^b	77.26(7.60)^c	80.16(5.27)^c	F(3,525)=27.80^***	.137
Aggression	*(n=352)*	*(n=104)*	*(n=45)*	*(n=19)*
Aggression	2.01(1.99)^a	2.68(1.96)^b	3.96(1.85)^c	4.84(1.65)^c	F(3,515)=24.82^***	.126
Cruelty	*(n=341)*	*(n=96)*	*(n=45)*	*(n=19)*
Cruelty	0.85(0.95)^a	1.50(1.12)^b	1.56(1.20)^b	2.45(1.12)^c	F(3,496)=26.73^***	.139
YSR Externalizing	*(n=182)*	*(n=44)*	*(n=37)*	*(n=14)*
YSR Externalizing	56.73(10.66)^a	58.56(13.49)^ab	65.12(11.15)^bc	62.82(11.76)^c	F(3,272)=6.41^***	.066
Aggression	*(n=176)*	*(n=42)*	*(n=37)*	*(n=14)*
Aggression	1.01(1.37)^a	1.36(1.51)^ac	2.32(1.97)^b	1.93(1.54)^bc	F(3,264)=8.68^***	.090

^***

p<.001

*p<.05.

Means reported are least squares mean adjusted for the covariate. Means with different superscripts differ significantly in pairwise comparisons. CBCL=Child Behavior Checklist; YSR=Youth Self Report; CD=Conduct Disorder; CU=Callous-Unemotional.