Selected characteristics and results of randomized controlled studies examining the effects computerized and internet-based cognitive behaviour therapy for adult depression and anxiety disorders.

N, number randomized; g, Hedges g; NNT number needed to treat; Bias risk (0 = no risk, 5 = high risk) inadequacy of sequence generation, no allocation concealment, inadequate blinding, missing data not addressed, selective reporting; F-U, follow-up in weeks; Adhere/satisfaction, percent adhering to whole course/percent satisfied with course; iCBT, CBT over the internet; cCBT, CBT over computer in clinic; GAD, Generalized Anxiety Disorder.