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. Author manuscript; available in PMC: 2014 Jul 15.

Published in final edited form as: Biol Psychiatry. 2012 Dec 27;74(2):84–89. doi: 10.1016/j.biopsych.2012.11.010

Table 1. Demographic Data.

	ADHD (n = 34)		Control (n = 34)		Statistic

	mean	SD	mean	SD	t	p
Age (yrs)	32.8	9.1	27.7	6.8	2.64	.01
SES	2.3	1.1	2.4	1.3	.27	NS
IQ	113	11.3	113	13.4	.02	NS
	n	%	n	%	χ²	p

Sex (male)	23	68%	12	35%	7.12	.01

ADHD, attention-deficit/hyperactivity disorder; NS, not significant; SES, socioeconomic status.