PMC full text:

Table 2

Results on the four primary outcomes

ControlIntervention
OutcomeNMeanNMeanDifference in mean (95% CI)p-valuep-value**Cohen’s d***
Number of days per week*97− 0.4196− 0.81−0.40 (− 0.77; − 0.05)0.0270.0190.32
Intensity (NRS)*93−0.5390−0.520.01 (−0.43; 0.46)0.9580.9300.01
GPE983.24962.63−0.61 (−0.88; − 0.36)< 0.001< 0.0010.67
Medicine*#97−0.0396−0.10−0.07 (− 0.16; 0.03)0.1650.2790.20
N number of children, CI confidence interval, NRS numerical rating scale, GPE global perceived effect (1 = almost gone to 7 = worse than ever)

*change scores from baseline to follow up; **adjusted p-value; ***standardized mean difference between groups; # proportion of weeks with medication use