Table 1.

Demographic Characteristics of 249 Adolescents with Bipolar Disorders with vs. without Substance Use Disorders

	Overall Sample (N=249)	SUD Present (N=40)	SUD Absent (N=209)	Statistic	p
	M+/-SD	M+/-SD	M+/-SD
Age	15.2+/-1.7	16.1+/-1.0	15.0+/-1.7	t=5.5	<0.001
SES	3.6+/-1.2	3.6+/-1.1	3.6+/-1.1	t=-0.19	0.85
	%	%	%
Sex (% Male)	44	35	46	χ2=1.6	0.20
Caucasian	80	75	80	χ2=0.6	0.44
Intact family*	44	20	49	χ2=11.3	0.001
Pubertal Status				FET**	0.46
I	2	0	2
II/III	25	20	26
IV/V	73	80	71

^*Subject lives with both biological parents

^**Fisher’s Exact Test; valid N=211