Table 1.
Characteristics of study respondents (N = 140)
| Characteristic | N (%) or Mean (SD) |
|---|---|
| Age, years | 41 (14) |
| Female | 45 (32) |
| Proportion native Norwegians or European origin | 134 (96) |
| Education, years | 11.2 (2.3) |
| Relationship, proportion of singles | 66 (47) |
| Main diagnosis (ICD-10) | |
| (1) Alcohol dependence (N = 48) or harmful alcohol use (N = 6) | 54 (39) |
| (2) Both alcohol and drug dependence | 26 (19) |
| (3) Drug dependence | 60 (43) |
| Years of problematic usea of the major drugs of abuse | 11.4 (9.0) |
| Injection use in the last 6 months | 40 (29) |
| Earlier SUD treatment (prior to current detoxification) | 108 (77) |
| Ever participated in TSGs before | 67 (48) |
a Problematic use, as defined in EuropASI, was the consumption of 5 or more standard drinks at least 3 times weekly, or binge drinking on 2 consecutive days to a level that affected daily functioning. For drug use, only frequency was needed; 3 times weekly or 2 consecutive days