Table 1.
Overview of outcomes
| 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 |
|
|
|
|
|
| Treatment expectations |
Self-designed questionnaire for child and parents |
X |
|
|
|
|
|
| Depression and anxiety |
Revised Anxiety and Depression Scale-short version (RCADS-25) |
X |
|
|
X |
X |
X |
| Somatization |
Children’s Somatization Inventory (CSI) |
X |
|
|
X |
X |
X |
| Health related quality of life |
KIDSCREEN-52 |
X |
|
|
X |
X |
X |
| Pain beliefs |
Pain Beliefs Questionnaire (PBQ) |
X |
|
|
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 |
|
|
X |
X |
X |
| Adequate relief | Binary question on adequate relief | X | X | X |