Table G.1Subgroup analysis – age

SubgroupComparisonOutcomeSubgroup VariableConclusion
AgeCBT vs. attention control or treatment as usualPrimary anxiety, child report7–12 yearsSMD: −1.05; 95% CI: −1.99 to −0.11; I2= N/A105
13–18 yearsSMD: −1.04; 95% CI: −1.65 to −0.42; I2= 60.7%94, 104
CBT vs. waitlisting or no treatmentPrimary anxiety, clinician report7–12 yearsSMD: −0.82; 95% CI: −1.34 to −0.30; I2= 58.9%38, 41
13–18 yearsSMD: −1.19; 95% CI: −1.87 to −0.52; I2= 0.0%31, 61
Primary anxiety, child report7–12 yearsSMD: −0.37; 95% CI: −1.17 to 0.43; I2= 0.0%38, 41, 56
13–18 yearsSMD: −1.22; 95% CI: −1.89 to −0.55; I2= 0.0%31, 61
Function7–12 yearsSMD: −0.48; 95% CI: −1.00 to 0.04; I2= 88.7%38, 41
13–18 yearsSMD: −1.65; 95% CI: −2.50 to −0.80; I2= N/A61

CBT: cognitive behavioral therapy, CI: confidence interval, N/A: not applicable, SMD: standardized mean difference

From: Appendix G, Subgroup Analysis

Cover of Anxiety in Children
Anxiety in Children [Internet].
Comparative Effectiveness Reviews, No. 192.
Wang Z, Whiteside S, Sim L, et al.

NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.