Unadjusted descriptive statistics on secondary outcomes for adolescents by treatment condition.
| Variable | Experimental Group, Mean (SD) | Control Group, Mean (SD) | F-value | p | Effect Size (Cohen’s d) |
|---|---|---|---|---|---|
| Pain intensity (average weekly) | |||||
| Pretreatment average pain | 2.73 (1.93) | 3.00 (2.00) | 5.04 | 0.03 | 0.78 |
| Posttreatment average pain | 2.17 (1.34) | 3.47 (2.12) | |||
| Stress | |||||
| Pretreatment PSQ total score | 1.98 (0.39) | 2.09 (0.36) | 0.20 | 0.65 | 0.20 |
| Posttreatment PSQ total score | 1.98 (0.42) | 2.13 (0.42) |
PSQ: perceived severity of stress questionnaire.