Table 1.

Demographic and personality variables of the four groups

	Drug-naïve	Ecstasy	Ex-ecstasy	Cannabis
N	19	46	14	15
Age	24.0 (3.6)	24.2 (6.7)	27.9 (6.6)	22.3 (4.3)
Gender (M:F)	12:7	33:13	6:8	5:10
Verbal IQ	114.6 (4.6)	110.4 (7.6)	110.3 (8.8)	111.3 (9.5)
BDI	3.5 (2.3)	9.3 (7.6)a	11.6 (9.2)a	5.3 (3.9)
IVE–Imp	6.8 (3.9)	10.6 (4.2)a	11.9 (5.1)a	8.9 (4.2)
IVE–Vent	10.4 (3.2)	11.0 (3.0)	9.4 (3.9)	10.9 (3.8)
IVE–Emp	12.0 (2.7)	12.7 (2.8)	14.5 (3.6)	13.7 (2.9)

M:F, male:female; BDI, Beck Depression Inventory; IVE, Eysenck Impulsiveness (Imp)-Venturesomeness (Vent)-Empathy (Emp) Questionnaire.

^aP < 0.05 vs. Drug-naïve controls.