Table 1.

Demographic characteristics and child psychopathology levels in adoptive and biological families

	Adoptive M (SD)/%	Biological M (SD)/%	ANOVA/ X2 value
Mothers
Age	47.92(3.59)	44.07(4.03)	284.87***
% Caucasian	98.8%	97.1%	4.35*
% College graduate	63.8%	54.4%	10.07**
Fathers
Age	49.38(3.65)	46.0(4.9)	163.31***
% Caucasian	97.7%	96.1%	.50
% College graduate	70.0%	59.8%	12.65***
Adolescents
Age	14.86(2.01)	15.06(1.76)	2.71
% male	43.4%	48.3%	2.62
% Caucasian	34%	99%	447.28***
Symptom Count
CD symptom count	0.67(1.24)	.65(1.26)	.05
ODD symptom count	1.55(1.93)	1.12(1.64)	14.73***
ADHD symptom count	3.35(4.04)	2.43(3.325)	15.64***
EXT composite	.07(1.03)	−.13(.916)	11.07***
Diagnostic Rates [N(%)]
CD	81 (11.8%)	51 (9.7%)	1.36
ODD	190 (27.7%)	81 (15.4%)	25.91***
ADHD	126 (18.4%)	62 (11.8%)	9.82**

Note. AAB = adult antisocial behavior; CD = conduct disorder; ODD = oppositional defiant disorder; ADHD = attention deficit hyperactivity disorder; EXT = externalizing composite score (first principal component of CD, ODD, and ADHD symptoms);

^*p<.05,

^**p<.01,

^***p< .001