Table 1 Baseline characteristics of study sample
|  | MDFT (n = 55) mean (SD)/% | CBT (n = 54) mean (SD)/% | Total sample (n = 109) mean (SD)/% |
|---|---|---|---|
Demographic background | |||
 Age (range 13–18 years) (years) | 16.6 (1.3) | 16.9 (1.2) | 16.8 (1.3) |
 Gender male (%) | 80.0 | 79.6 | 79.8 |
 Ethnicity Dutch/western (%) | 72.7 | 70.4 | 71.6 |
Delinquencya | |||
 Total offences (%) | 72.7 | 59.3 | 66.1 |
 Misdemeanor offences (%) | 10.9 | 11.1 | 11.0 |
 Drug offencesb (%) | 0.0 | 7.4 | 3.7 |
 Vandalism (%) | 23.6 | 18.5 | 21.1 |
 Property offences (%) | 45.5 | 42.6 | 44.0 |
 Violent offencesc (%) | 45.5 | 50.0 | 47.7 |
 Sexual offences (%) | 1.8 | 0.0 | 0.9 |
 (Attempted) manslaughter (%) | 5.5 | 1.9 | 3.7 |
 Arson (%) | 0.0 | 1.9 | 0.9 |
 (Attempted) murder (%) | 0.0 | 0.0 | 0.0 |
 Ever in prison (%) | 42.6 | 37.0 | 39.8 |
 Sum severity scored (SD) | 17.4 (19.9) | 15.4 (16.9) | 16.4 (18.4) |
DSM-IV diagnosis (past year) | |||
 Conduct disorder (CD) (%) | 34.8 | 22.9 | 28.7 |
 Oppositional deviant disorder (ODD) (%) | 19.6 | 14.9 | 17.2 |
 CD and/or ODD (%) | 43.5 | 31.9 | 37.6 |