Table 1.

Descriptives of the sample.

	Gender
	Male	Female	Total
n	38	10	48
%	79.2	20.8	100
	Age
Mean	37.5	48.5	39.8
SD	12.2	10.7	12.6
Rank	18–62	32–67	18–67
	Academic level (%)
Primary or less	23.4	30.0	25.0
Secondary (obligatory)	36.8	20.0	33.3
Secondary (advanced)	36.8	30.0	35.4
Universitary	2.6	20.0	6.3
	Main drug (%)
Heroine	5.3	—	4.2
Cocaine	44.7	30.0	41.7
Alcohol	34.2	70.0	41.7
Cannabis	15.8	—	12.5