Credibility of the intervention (range 1–5): | Mean (SD) |
 1) At this point, how relevant do you think this intervention was to you? | 3.94 (0.70) |
 2) At this point, how confident are you that this intervention will be rewarding for you? | 4.08 (0.75) |
 3) At this point, how successful do you think this intervention will be in helping other children with arthritis to manage their disease and pain more effectively? | 4.19 (0.75) |
 4) At this point, how successful do you think this intervention will be in helping other parents with children with arthritis manage their child’s disease and pain more effectively? | 4.03 (0.76) |
 5) At this point, would you recommend to others that they should participate in this intervention? | 4.47 (0.67) |
 Total score | 4.14 (0.51) |
Satisfaction with the intervention | Mean (SD) |
 ESQ parent’s-version (range −12-12) | 9.56 (1.56) |
 ESQ children’s-version (range −10-10) | 7.76 (2.36) |