The STIME Project: Intersectoral Prevention of Severe Youth Mental Health Difficulties

Each of the interventions has elaborate and narrowly defined inclusion and exclusion criteria. These are listed below for each intervention. 'Signs of Internalizing' Inclusion criteria * Adolescents aged 12-17 years * Mild to moderate impairment in daily functioning (e.g., reduced engagement in school, social life, or leisure activities compared to before symptoms) * Adolescents with well-managed ADHD or autism may be included if they demonstrate sufficient mentalizing abilities and can benefit from the intervention with parental support * Presence of both anxiety and depressive symptoms, neither of which dominates or meets full diagnostic criteria * The family is motivated to participate Exclusion criteria * Symptoms of moderate to severe depression * Presence of OCD, PTSD, agoraphobia, panic disorder, or other psychiatric conditions * Low cognitive functioning * Moderate to severe functional impairment (e.g., school dropout, extreme social withdrawal, daily reliance on adult support, lack of motivation for treatment) * Recent unsuccessful psychological treatment * Primary problems related to family dynamics or a highly burdened family situation * Increased or acute suicide risk * Presence of self-harm or symptoms of disordered eating 'Signs of Disordered Eating' Inclusion criteria * Children and adolescents aged 10-17 years * High body dissatisfaction, preoccupation with food and/or body image, and/or early behavioral signs of an eating disorder * Stable physical co…