Helen Christensen|Kathleen M Griffiths|Andrew Mackinnon|Kanupriya Kalia|Philip J. Batterham|Justin Kenardy|Claire Eagleson|Kylie Bennett
Protocol for a randomised controlled trial investigating the effectiveness of an online e health application for the prevention of Generalised Anxiety Disorder
Mental Health Australia|Australian National University|Mental Health Australia|Australian National University|Orygen|University of Melbourne|Mental Health Australia|Australian National University|Mental Health Australia|Australian National University|University of Queensland|University of Sydney|Mental Health Australia|Australian National University
generalised anxiety disorder gad highly prevalent psychiatric disorder effective prevention young adulthood potential reduce prevalence disorder reduce disability lower costs disorder community present trial webgad trial aims evaluate effectiveness evidencebased online prevention website gadthe principal clinical question investigation effectiveness online gad intervention ecouch using communitybased sample examine whether effect intervention maximised either human support form telephone calls automated support emails primary outcome reduction symptoms gad7 active arms relative non active intervention armsthe webgad trial first evaluate use internetbased cognitive behavioural therapy cbt program contrasted credible control condition prevention gad first formal rct evaluation webbased program gad using community recruitment general internetbased cbt programs shown effective treatment anxiety disorders post traumatic stress disorder social phobia panic disorder stress clinical trials however evidence use internet cbt prevention gad given severe shortage therapists identified australia overseas low rates treatment seeking mental illness successful implementation protocol important practical outcomes found effective webgad provide experiencing gad easily accessible free evidencebased prevention tool promoted disseminated immediately