Table 1 Descriptive data of the sample (n = 263)
|  | % (n) or Mean ± SD |
|---|---|
Sociodemographic characteristics | Â |
Gender (% males) | 75 (197) |
Age (years) | 34.9 (7.4) |
Living conditions | Â |
 Marital status (% living as a couple) | 39% (102) |
 Stable housing | 89% (233) |
 Social support | 92% (240) |
 Friends who use drugs | 95% (181) |
Educational attainment (% > 12 years) | 13% (34) |
Work status and financial situation | Â |
 Active workers | 46% (121) |
 On social benefits | 36.9% (92) |
 No income | 4.9% (12) |
 Debt | 36% (95) |
Co- addictions Nicotine dependence and/or high risk of substance use and/or problem gambling | 97% (n = 232) |
Opioid use disorder characteristics | Â |
 Opioid mainly used |  |
  Heroin | 90% (237) |
  Codeine or morphine | 6% (16) |
  Buprenorphine | 3% (8) |
  Varying | 1%(3) |
 Main route of administration |  |
  Nasal | 60% (159) |
  Intravenous | 23% (61) |
  Inhaled | 11% (29) |
  Oral | 4% (10) |
  Varying | 0.4% (1) |
 OUD damage |  |
  Financial | 71% (187) |
  Social-affective | 70% (184) |
  Psychiatric | 69% (182) |
  Professional | 55% (145) |
  Legal | 48% (127) |
  Somatic | 33% (87) |
 Current OMT |  |
  MTD | 68%(178) |
  BHD | 32%(84) |
 OMT initiation with supervised daily dose | 80% (210) |
 Current daily dose (mg/day) |  |
  MTD | 57.4 (32.7) |
  BHD | 7.4 (5.5) |
OMT length (months) | 51.0 (4.3) |
Poor adherence | 7% (16) |
Current opioid abstinence (excluding OMT) | 75% (196) |
Successful OMT* | 40%(101) |
Unsuccessful OMT** | 60%(151) |