Outcome measures and time points
| Concept | Screening | Baseline | Post- intervention | 6 month follow-up | 12 month follow-up | |
| Informed consent | Informed consent | Randomisation | ||||
| Mental capacity | Mental capacity form | Mental capacity form | Mental capacity form | Mental capacity form | Mental capacity form | |
| Psychological distress | GHQ-12 | GHQ-12 | GHQ-12 | GHQ-12 | ||
| Psychiatric diagnosis | M.I.N.I. | M.I.N.I. | M.I.N.I. | M.I.N.I. | ||
| Socio-demographical and migration data | Recruitment form | |||||
| Symptoms of PTSD | PCL-5 | PCL-5 | PCL-5 | PCL-5 | ||
| Depressive symptoms | PHQ-9 | PHQ-9 | PHQ-9 | PHQ-9 | ||
| Adverse life events | HTQ –Part A/1 | |||||
| Subjective well-being | WHO-5 Well-being index | WHO-5 Well-being index | WHO-5 Well-being index | WHO-5 Well-being index | ||
| Health-related quality of life | EQ-5D-3L | EQ-5D-3L | EQ-5D-3L | |||
| Self-defined psychosocial goals | PSYCHLOPS (pre-int. version) | PSYCHLOPS (post-int. version) | PSYCHLOPS (post-int. version) | PSYCHLOPS (post-int. version) | ||
| Post migration stress difficulties | PMLD | PMLD | PMLD | |||
| Psychological functioning | WHODAS 2.0 | WHODAS 2.0 | WHODAS 2.0 | WHODAS 2.0 | ||
| Cost-effectiveness | CSSRI-EU | CSSRI-EU | CSSRI-EU | |||
| Adverse events | Adverse events form | |||||
CSSRI-EU, Client Socio-Demographic and Service Receipt Inventory, European Version; DSM-5, Diagnostic and Statistical Manual of Mental Disorders, fifth edition; GHQ-12, General Health Questionnaire-12 items; HTQ, Harvard Trauma Questionnaire; int., intervention; MINI, Mini International Neuropsychiatric Interview; PCL-5, PTSD Checklist for DSM-5; PHQ-9, Patient Health Questionnaire–9 items; PMLD, post-migration living difficulties; PSYCHLOPS, Psychological Outcome Profiles Instrument; PTSD, Post-Traumatic Stress Disorder; WHO-5, World Health Organization–5 items; EQ-5D-3L, Three-level version of EuroQol Group; WHODAS, World Health Organization Disability Assessment Schedule.