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. 2016 Jun 16;7:887. doi: 10.3389/fpsyg.2016.00887

Table 1.

Demographics of participants.

Drug addicts (clinical group) Non-drug
Exposed Non-exposed
% (N) or M (SD) % (N) or M (SD) % (N) or M (SD)
Gender: female 33.3 (5) 46.7 (7) 46.7 (7)
Age 20.40 (±2.2) 21.13 (±2.3) 20.3 (±2.1)
High school degree 13.3 (2) 46.7 (7) 53.3 (8)
School drop-out 80 (12) 73.7 (7)
Years of education 9.66 (±2.29) 10.27 (±1.49) 11 (±1.2)
Unemployment 86.7 (13) 53.3 (8)
Poly-drug use 80 (12) 80 (12)
Primary drug of abuse: heroin 66.7 (10) 86.7(13)
Use of synthetic drugs 73.3 (11) 80 (12)
Age of SUDs onset 15.3 (1.8) 16 (2.3)
Age of first contact SUDs services 18.3 (2.3) 18.5 (2.7)
SUDs-related diseases 33.3 (5) 13.3 (2)
Pharmacotherapy 93.3 (14) 53.3 (8)
Replacement therapy 46.7 (7) 66.7 (10)
Traumatic events 80 (11) 60 (9)
   Early abuse/maltreatment 40 (6) 40 (6)
   Attachment disruptions 53.3 (8) 33.3 (5)
Parental psychiatric problems 13.3 (2) 6.7 (1)
Prenatal exposure 73.3 (11)
   Intrauterine exposure 54.5 (6)
   Paternal SUDs at conception 63.6 (7)
   Maternal and Paternal 18.2 (2)
   prenatal exp.
Postnatal exposure 93.3 (14)
   Maternal SUDs 57.1 (8)
   Paternal SUDs 71.4 (10)
   Maternal and paternal SUDs 28.6 (4)
Prenatal and postnatal exposure 66.7 (10)

Exposed, subjects exposed to drugs early; Non-exposed, subjects not exposed to drugs early; Non-drug, subjects of the comparison group.