Table 2 Descriptive statistics (frequencies or mean and standard error) of data related to SUD for the two groups and the statistical contrasts carried out.
Substance use data | OSU ≤ 16 (N = 41) | OSU ≥ 17 (N = 39) | Statistical contrasts | p values |
|---|---|---|---|---|
Consumption pattern | ||||
One substance | 12.2% | 23.1% | U = 712.50 | 0.203 |
Two substances | 22.1% | 41.0% | U = 647.00 | 0.068 |
Polydrug use | 65.7% | 35.9% | U = 560.00 | 0.008 |
Substances useda | ||||
Cocaine | 95.1% | 94.9% | U = 797.50 | 0.959 |
Alcohol | 82.9% | 71.8% | U = 710.50 | 0.236 |
Cannabis | 58.5% | 38.5% | U = 639.00 | 0.074 |
Opioids | 22% | 15.4% | U = 747.00 | 0.455 |
Ecstasy | 22% | 7.7% | U = 685.50 | 0.076 |
Hallucinogens | 17.1% | 5.1% | U = 704.00 | 0.093 |
Sedatives | 4.9% | 5.1% | U = 797.50 | 0.959 |
Age of OSU (yr) | 14.93 ± 0.19 | 23.03 ± 1.12 | U = 1.50 | 0.0001 |
Duration of drug use (yr) | 19.39 ± 1.26 | 13.12 ± 1.62 | t = 3.58 | 0.001 |
Typology of treatment regimen | X2 = 9.12 | 0.003 | ||
Residential | 82.9% | 51.3% | ||
Ambulatory | 17.1% | 48.7% | ||
Number of psychotropics including treatment | U = 689.50 | 0.215 | ||
None | 56.1% | 71.8% | ||
One | 26.8% | 12.8% | ||
More than one | 17.1% | 15.4% | ||
Months of abstinence | 7.76 ± 0.71 | 8.31 ± 0.73 | U = 713.00 | 0.399 |
Number of relapses | 1.49 ± 0.32 | 0.64 ± 0.16 | U = 679.50 | 0.039 |
Clinical Global Impression (CGI) | 2.36 ± 0.23 | 2.16 ± 0.20 | U = 681.00 | 0.659 |