Intervention group (N = 99) | Control group (N = 100) | |
---|---|---|
Sex, boys, n (%) | 45 (45%) | 40 (40%) |
Age (mean, SD) | 10.9 (2.1) | 10.7 (2.0) |
Number of days/weeka (mean, SD) | 2.8 (1.4) | 2.8 (1.5) |
Pain intensitya (NRS) (mean, SD) | 5.2 (1.4) | 5.3 (1.4) |
Medicationb (mean, SD) | 0.5 (0.3) | 0.4 (0.4) |