Table 2.

Comparison between Demographic Variables of OCD and Control Subjects

	OCD N = 130	Controls N = 49	Test statistic	p-value
Age at ascertainment (yrs) (± SD)	11.5 ± 3.1	11.7 ± 3.1	t = 0.38	0.70
Gender (male)	79 (61)	26 (53)	χ2(1) = 0.9	0.35
SES	1.7 ± 0.8	1.6 ± 0.8	z = −1.3	0.19
Intact family	72 (56)	41 (84)	χ2(1) = 11.9	0.001
Lifetime GAF	48.5 (6.0)	64.9 (9.1)	t = 14.1	<0.001
Current GAF	53.4 (5.6)	69.3 (7.2)	t = 15.6	<0.001

GAF, Global Assessment of Functioning; SES, socioeconomic status.

OCD, obsessive compulsive disorder.