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ASPR Poster Presentations

Generalized Anxiety Disorder (GAD) is a common and complex disorder that has proved difficult to treat, with meta-analyses showing relatively poor outcomes. The present study sought to compare contemporary cognitive-behavioural treatment with Mindfulness meditation training for GAD; the active treatments were compared to a waitlist control group. Both treatments were presented in a group format of 12 sessions. All participants were assessed using the ADIS-IV and met the principal diagnostic criteria for GAD. Participants were assessed using self-report questionnaires and the ADIS-IV at pre treatment/waitlist, post treatment/waitlist, 6 and 18 month follow-up. Ninety-six participants completed the study. Data collection for self-report and diagnostic measures has been completed for the pre, post and 6 month follow-up data waves; 18 month follow-up data collection is continuing. Both active treatments made significant improvements in treating GAD, showing enhanced outcomes that were maintained at follow-up. However, mindfulness training produced significantly stronger outcomes in terms of diagnostic severity levels, the proportion of participants entering the non-clinical range and in reducing co-morbid depression. In addition, the active treatments showed no significant differences in drop-out rates or on levels of non-specific therapy factors endorsed by participants. These results show promise for enhancing outcomes and increasing treatment options for people with GAD.