Outcome | Instrument | T0 | 4 wks | 8 wks | T1 | T2 | T3 |
---|---|---|---|---|---|---|---|
Abdominal pain | Abdominal pain dairies | X | X | X | X | X | X |
Hypnotic susceptibility | Stanford hypnotic clinical scale for children | X | Â | Â | Â | Â | Â |
Treatment expectations | Self-designed questionnaire for child and parents | X | Â | Â | Â | Â | Â |
Depression and anxiety | Revised Anxiety and Depression Scale-short version (RCADS-25) | X | Â | Â | X | X | X |
Somatization | Children’s Somatization Inventory (CSI) | X |  |  | X | X | X |
Health related quality of life | KIDSCREEN-52 | X | Â | Â | X | X | X |
Pain beliefs | Pain Beliefs Questionnaire (PBQ) | X | Â | Â | X | X | X |
Coping strategies | Children’s Coping Strategies Checklist-revision 1 (CCSC-R1) | X |  |  | X | X | X |
Cost-effectiveness/cost-utility | Health Utility Index Mark 3 (HUI-3) & costs-questionnaire | X | Â | Â | X | X | X |
Adequate relief | Binary question on adequate relief | Â | Â | Â | X | X | X |