Table 1.

Characteristics of the study sample (n = 120).

Variables	Case group		Control group		P
Variables	(n = 60)		(n = 60)
	N/M	%/SD	N/M	%/SD
Gender					0.889
Male	51	85	50	83.3
Female	9	15	10	16.7
Marital status					0.049
Single	24	40	34	56.7
Married	21	35	18	30
In a relationship	4	6.7	7	11.6
Divorced	11	18.3	1	1.7
Level of education					<0.001
High school	11	18.3	0	0
Diploma	24	40	4	6.7
Academic	25	41.7	56	93.3
Age (Years)	35.13	8.14	28.97	7.37	0.154
Age at the onset of substance use (Years)	22.70	5.31	NA	NA	-
Duration of substance use (Years)	11.45	8.15	NA	NA	-
Internet sex screening test score*	3	3.96	1.17	0.37	0.001

^*Cohen's d = 0.650704.