Hester van Eeren

| Chapter 5 5 | 122 Table II. Excluded versus included adolescents due to missing outcome measure after treatment (MST) Variable Excluded (N = 652) Continuous variables Mean SD Age 15.65 1.43 CBCL Internalizing problems 61.42 9.71 Primary outcome Externalizing problems 68.09 10.13 Total behavioral problems 65.45 9.29 YSR Internalizing problems 51.58 11.19 Externalizing problems 57.2 10.59 Total behavioral problems 53.4 10.91 Parenting stress 2.09 2.01 Categorical variables % Gender Male 68.9 Female 31.1 Country of birth Netherlands 73.7 Western country 3.3 Non-Western country 23.0 Living situation adolescent Together with one parent 53.5 Together with multiple parents 43.1 Other 3.4 Living situation adolescent Lived not at home 0.9 Secondary outcome Lived at home 99.1 Level of education None 14.8 Primary education 3.8 Lower secondary education 64.3 Higher secondary education 16.9 Previous treatment Absent 7.6 Present 92.4 Engagement in school or work Absent 31.2 Secondary outcome Present 68.8 Court order No 30.6 Civil 40.1 Criminal 29.2 Police contacts during treatment Absent 46.3 Secondary outcome Present 53.7 Relation father Absent 13.1 Present 86.9 Relation mother Absent 1.0 Present 99.0 Relation siblings Absent 7.4 Present 92.6 Relation peers Absent 1.1 Present 98.9