Fig. 4From: Internet-based cognitive behavioural therapy for subthreshold depression: a systematic review and meta-analysisa Fix effects meta-analysis of iCBT vs. controls for depression at the at the within 3-month follow-up. b Random effects meta-analysis of iCBT vs. controls for depression at the at the 6-month follow-up. c Fix effects meta-analysis of iCBT vs. controls for depression at the at the 12-month follow-upBack to article page