Measure | Questionnaire | T1: Baseline/pre-intervention | T2: 5Â weeks | T3: 10Â weeks | T4: Post-intervention | T5: 12Â week follow-up |
---|---|---|---|---|---|---|
Primary outcome measures | Pain Coping Strategies | x | Â | Â | x | x |
 | Pain Coping Scenarios | x | x | x | x | x |
 | Pain Knowledge | x | x | x | x | x |
Secondary outcome measures | Visual Analogue Scale [31] | x | x | x | x | x |
 | Modified version of the Brief Pain Inventory – Short Form [32] | x |  |  | x | x |
Process variables | Modified version of the Self-Efficacy scale for child functioning despite chronic pain [33] | x | Â | Â | x | x |
 | Pain Catastrophizing Scale – Parent version (PCS-P) [23] | x |  |  | x | x |
Predictor variables | Background Information Questionnaire | x | Â | Â | Â | Â |