Table 4.

Latent Profile External Validation and Correlates

	Low Symptoms	Inattention	Normative Symptoms	ADHD	ADHD+hyper
Mean (standard deviation)
Males (percentage)	45.22	53.97	59.40	63.37	82.19**
Age	12.49(3.14)a	12.43(3)a	11.77(2.98)a	10.81(2.89)b	9.90(2.28)b**
Psychopathology
Anxiety/depression	2.07(2.21)a	3.93(3.54)b	4.60(3.86)	4.66(3.36)b	5.12(3.97)b**
Withdrawal/depression	1.80(2.37)	2.82(2.94)	2.80(2.75)	2.3(2.71)	2.58(2.98)
Somatic complaints	1.11(1.78)a	2.68(3.47)b	2.32(2.31)	2.79(3.26)b	2.09(2.27)b**
Social problems	1.32(1.86)a	2.73(2.55)	3.15(2.93)	4.77(3.58)b	5.33(3.95)b**
Rule-breaking	.98(1.46)a	2.61(2.28)	3.31(3.35)	5.28(3.62)b	4.91(3.48)b**
Aggression	2.26(3.59)a	6.48(5.31)	7.33(5.36)	11.98(6.66)b	12.12(8.53)b**
Cognitive Control
Trails A Time	22.71(.89)a	28.83(1.42)b	23.82(.96)a	26.46(1.12)a	26.19(1.30)a**
Trails B Time	49.96(28.54)a	57.62(32.71)	58.26(45.53)	59.19(44.99)	67.56(54.23)b
Trails B Errors	.44(.10)a	.67(.17) a	.60(.11) a	.65(.13)a	1.11(.15)b*
SSRT	243.46(96.91)a	304.54(167.57)a	295.05(140.14)a	332.03(152.99)b	359.25(177.53)b**
RT variability	148.43(43.29)a	167.87(55.85)a	166.58(64.91)a	192.41(66.63)b	196.17(61.57)b**
Traits
Neuroticism	4.06(1.32)a	4.70(1.36)	4.43(1.28)	4.58(1.22)b	4.48(1.08)b*
Extraversion	5.37(1.13)a	5.50(1.28)	5.60(1.50)	6.40(1.26)b	6.63(1.25)b**
Agreeableness	6.92(1.03)a	6.38(1.21)	6.12(1.21)	5.47(1.26)b	5.47(1.30)b**
Conscientiousness	6.17(1.43)a	4.21(1.62)	4.57(1.39)	3.96(1.33)b	3.96(1.22)b**
Effortful control	3.46(.55)a	2.78(.68)	3.01(.69)	2.71(.66)b	2.61(.74)b**
Reactive control	5.10(.87)a	4.68(1.05)	4.67(1.07)	3.71(.88)b	3.53(.99)b**
Resiliency	6.02(.96)a	5.47(.94)	5.62(1.11)	5.34(.97)b	5.44(.99)b**
Negative emotion	3.76(1.28)a	4.49(1.23)	4.45(1.34)	4.58(1.27)b	4.80(1.17)b**

Note.

^*p<.05;

^**p<.01, via chi-square or MANOVA. Subscripts indicate significant differences,