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Table 1 Baseline characteristics of study sample

From: Multidimensional family therapy in adolescents with a cannabis use disorder: long-term effects on delinquency in a randomized controlled trial

  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
  1. MDFT multidimensional family therapy, CBT cognitive behavioral therapy, SD standard deviation, n number
  2. aOffences committed before start of the treatment, as inferred from police arrest data
  3. bSignificant difference p < 0.01, all other measures no significant differences
  4. cModerate, sizable and serious violent offences are included
  5. dFrequency of offences × severity score of offence using the BOOG-scale