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Intolerance of uncertainty and meta-worry : relative importance in discriminating GAD

By Nigar G. Khawaja, Janette McMahon and Esben Strodl

Abstract

This study explored whether intolerance of uncertainty and/or meta-worry discriminate between non-clinical individuals and those diagnosed with generalised anxiety disorder (GAD group). The participants were 107 GAD clients and 91 university students. The students were divided into two groups (high and low GAD symptom groups). A multivariate analysis of covariance (MANCOVA) adjusting for age indicated that intolerance of uncertainty distinguished between the low GAD symptom group and the high GAD symptom group, and between the low GAD symptom group and the GAD group. Meta-worry distinguished all three groups. A discriminant function including intolerance of uncertainty and meta-worry classified 94.4% of the GAD group and 97.9% of the low GAD symptom group. Only 6.8% of the high GAD symptom group was classified correctly, 77.3% of the high GAD symptom group was classified as GAD. Findings indicated that intolerance of uncertainty and meta-worry may assist with the diagnosis and treatment of GAD

Topics: 170106 Health Clinical and Counselling Psychology, GAD, Meta-worry and Intolerance of Uncertainty
Publisher: Cambridge University Press
Year: 2011
DOI identifier: 10.1375/bech.28.4.181
OAI identifier: oai:eprints.qut.edu.au:46270

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