Results of outcome measures for the Comorbid Sample (cut-offs on both PHQ-9 and GAD-7): Observed and Estimated Means, standard deviations, confidence intervals and effect sizes (Cohen’s d) for each group.

Note. Standard deviations and confidence intervals are shown in parentheses. TEG: Treatment Plus Automated Email Group. TG: Treatment Group; Pre: Pre-treatment, Post: Post-treatment; Follow-up: 3-month follow-up; PHQ-9: Patient Health Questionnaire 9-Item; GAD-7: Generalised Anxiety Disorder 7-Item.