Web-Based Cognitive Behavior Therapy for Depression With and Without Telephone Tracking in a National Helpline: Secondary Outcomes From a Randomized Controlled Trial

Louise Farrer   ¹ , PhD (Clinical Psychology) ;   Helen Christensen   ¹ , PhD ;   Kathleen M Griffiths   ¹ , PhD ;   Andrew Mackinnon   ² , PhD

¹ Centre for Mental Health Research, The Australian National University, Canberra, ACT, Australia

² Biostatistics Unit, Orygen Youth Health Research Centre, University of Melbourne, Melbourne, VIC, Australia