Means, standard deviations and effect sizes (Cohen's d) for CO and CL groups on all outcome measures at pre-treatment, post-treatment and 3-month follow-up timepoints.

Note. The standard deviations of the means and the confidence intervals of effect sizes are shown in parentheses. Intention-to-treat model was employed with pre-treatment scores being carried forward if post-treatment or follow-up data was not available Abbreviations: GAD-7: Generalized Anxiety Disorder 7-Item; DASS-21: Depression Anxiety Stress Scales-21 item; PSWQ: Penn State Worry Questionnaire; SIAS-6/SPS-6: Social Interaction Scale and Social Phobia Scale Short Form; PDSS-SR: Panic Disorder Severity Scale – Self Rating; PHQ-9: Patient Health Questionnaire-9 item; SDS: Sheehan Disability Scale. CO: Coach assisted; CL Clinician assisted.