. Author manuscript; available in PMC: 2009 Dec 1.

Published in final edited form as: J Affect Disord. 2008 Apr 18;111(2-3):176–184. doi: 10.1016/j.jad.2008.02.019

Table 1.

Demographic Characteristics of the Four Offspring Groups

	Offspring of Controls (N=106)	Offspring of Parents with DBD (N=19)	Offspring of Parents with MDD (N=119)	Offspring of Parents with MDD+DBD (N=50)	Test Statistic	p-value
	Mean±SD or n (%)	Mean±SD or n (%)	Mean±SD or n (%)	Mean±SD or n (%)
Age	10.0 ± 3.4	10.6 ± 2.8	10.3 ± 4.1	11.0 ± 5.6	F_(3,146)=0.39	0.76
Gender (Male)	54 (51)	15 (79)	64 (54)	26 (52)	χ² ₍₃₎=5.48	0.14
Family SES	1.7 ± 0.9	2.3 ± 1.0 ^a ^*	2.5 ± 1.1 ^a ^***	2.4 ± 0.9 ^a ^**	χ² ₍₃₎=17.10	<0.001
Parent with Panic Disorder	19 (18)	8 (42)	85 (71) ^a ^***	37 (74) ^a ^***	χ² ₍₃₎=28.38	<0.001

=vs. Controls;

=vs. DBD;

=vs. MDD;

p≤0.05;

^**

p≤0.01;

^***

p≤0.001.

DBD=disruptive behavior disorders (includes history of ADHD, oppositional disorder, and/or conduct disorder). MDD=major depressive disorder. SES=Socioeconimic status.