TABLE 3.

Means and Standard Deviations of Childhood Risk Factors by Trajectory Group Membership

	N	Trajectory Group
		EOC		CL		AO		M		L		Total
		M/%	SD	M/%	SD	M/%	SD	M/%	SD	M/%	SD	M/%	SD
Demographic Variables
Age	501	7.79	0.60	7.87	0.56	7.79	0.52	7.76	0.56	7.65	0.52	7.72	0.55
Race (African American)	501	85%	—	67%	—	72%	—	70%	—	47%	—	59%	—
Child Characteristics
Fearlessness	501	0.52	0.44	0.34	0.44	0.34	0.42	0.38	0.42	0.29	0.39	0.34	0.41
Anger Dysregulation	501	2.74	2.45	2.37	2.11	2.31	2.05	2.93	2.46	1.92	2.01	2.26	2.18
Conduct Problems	501	3.48	3.06	1.88	1.82	2.13	2.06	2.88	2.76	1.28	1.67	1.93	2.25
ADHD Problems	501	8.63	4.30	7.81	4.37	7.86	3.73	9.31	4.14	5.95	3.75	7.18	4.15
Anxiety Problems	501	1.44	1.37	1.43	1.13	1.54	1.15	1.68	1.30	1.44	1.36	1.49	1.31
Peer Factors
Peer Delinquency	477	8.47	5.15	8.24	5.24	6.57	4.62	8.13	5.36	4.86	4.46	6.33	5.03
Peer Rejection	501	1.71	1.29	1.32	1.52	1.18	1.23	1.36	1.27	0.90	1.08	1.13	1.23
Parenting Factors
Poor Parent–Child Relationship	501	8.24	4.46	7.82	4.35	6.90	4.33	8.21	4.95	5.29	3.83	6.51	8.31
Poor Communication	501	26.48	4.36	25.82	4.38	25.54	4.51	26.06	4.28	23.86	4.04	24.88	4.33
Harsh Discipline	501	1.87	0.41	1.78	0.51	1.82	0.43	1.74	0.44	1.63	0.45	1.71	0.46
Maltreatment and Adversity
Physical Abuse	501	15%	—	12%	—	7%	—	10%	—	5%	—	8%	—
Emotional Abuse/Neglect	501	37%	—	16%	—	16%	—	20%	—	11%	—	16%	—
Psychosocial Adversity	484	3.04	1.44	2.20	1.37	2.57	1.38	2.42	1.41	1.56	1.48	2.04	1.53

Note. EOC = Early-Onset Chronic; CL = Childhood-Limited; AO = Adolescent-Onset; M = moderate; L = low; ADHD = Attention-Deficit Hyperactivity Disorder.