Other study parameters

R. Parenting stylesParenting styles are examined using the Brief Scale of Parental Behavior (25 items) (BSBP: English translation of ‘Verkorte Schaal voor Ouderlijk Gedrag (VSOG)’) [S. Parenting functioningTo assess changes in family functioning during treatment, the Family Functioning Questionnaire (28 items) (FFQ: English translation of ‘Vragenlijst Gezinsfunctioneren Ouders (VGFO)’) [T. Prior beliefsTo evaluate parents’ previous beliefs on the short-term and long-term efficacy and challenges of the lifestyle intervention, a 5-point scale questionnaire from 0 (U. Patient satisfactionPatient satisfaction and treatment compliance are measured using the GGZ-Jeugdthermometer [