Comparative randomised trial of online cognitive-behavioural therapy and an information website for depression: 12-Month outcomes

Abstract

Background: An earlier paper reported positive outcomes immediately following access to a cognitive-behavioural therapy (CBT) internet intervention and a depression information website. Aims: To determine 6-month and 12-month outcomes of the interventions relative to a placebo control condition. Method: Participants allocated to the depression information website condition, the CBT internet intervention and the placebo control condition were followed up at 6 and 12 months by survey. The primary outcome measure was the Center for Epidemiologic Studies - Depression (CES-D) scale. Of 525 participants recruited, 79% completed their assigned intervention and 60% were retained at 12-month follow-u..