Table I.

Demographic information of the case-control sample set

	No. (%)
Cases (N= 92):
Mean age (yr)	28.8 ± 9.04
Number of males	62
Age of onset (yr)	21.14 ± 7.98
Onset before 18 yr of age	42 ± 4
Duration of illness (month)	98.59 ± 9.5
Duration of untreated illness (month)	53.13 ± 7.0
Family history of any psychiatric illness	42 (44.2)
(i) OCD	13 (13.7)
(ii) Substance abuse	3 (3.2)
(iii) Psychosis	11 (11.6)
(iv) Affective illness	12 (12.6)
(v) Anxiety disorder	3 (3.2)
(vi) Suicide	10 (10.5)
(vii) Others	5 (5.3)
Controls (N=92):
Age (yr)	29.47 ± 9.5
Number of males	62