Table 3 Primary and secondary outcome measures
Outcome | Measured by/using |
|---|---|
Primary outcome | |
 Health-related quality of life | The Pediatric Quality of Life Inventory and KIDSCREEN |
Secondary outcomes | |
 Child psychopathology and prosocial behaviour | Strengths and Difficulties Questionnaire |
 Symptoms of common mental health problems | Revised Child Anxiety and Depression Scale |
 Knowledge and perceptions about serious mental illness (mental health literacy) | Mental Health Literacy Questionnaire |
 Parenting competencies | Arnold-O’Leary Parenting Scale |
 Degree and cause of stress in a parent–child relationship | Parenting Stress Index/Short Form |
 Incremental health gain in quality-adjusted life years | Child Health Utility 9D |
 Resource use | Child and Adolescent Service Use Schedule |
 Children and young people, parent and facilitator acceptability | Qualitative interviews |