We performed a descriptive analysis of the sample. Quantitative
variables were expressed as mean and standard deviation and categorical
variables were represented with frequencies and percentages. We then
compared groups of variables. We analyzed social problems (arrests
and imprisonment) in relation to psychiatric disorders, having been
discharged with biological parents and substance use. We studied
possible risk factors predisposing substance abuse or psychiatric
disorders analyzing the relationship with the educational level and
employment of the subjects studied and the personal history of NAS or
neurological deficit, low FAS level, having been adopted in childhood
or discharged with biological parents and child abuse. Finally we
studied the relationship between psychiatric diseases and substance
use. These comparisons were performed with contingency tables, using
the Fisher’s exact test, considering a p less than 0.05 as statistically
significant. The relative risks (RR) were calculated in each case,
indicating the confidence interval (CI) 95%. Analyses were performed
using SPSS 18.0 (IBM Corp.).