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Anxiety sensitivity as a predictor of panic disorder symptoms: a prospective 3-year study
Authors:Tanja Jurin  Sonja Biglbauer
Institution:Department of Psychology, Faculty of Humanities and Social Sciences, University of Zagreb, Zagreb, Croatia
Abstract:Background and Objectives: Anxiety sensitivity (AS) is the fear of anxiety symptoms, a feature proven to be an important vulnerability factor for anxiety pathogenesis. The aim of this study was to examine whether AS (as well as its factors) predicts the onset of panic disorder symptoms when controlling for the contribution of trait anxiety.

Design: We conducted a prospective 3 year follow up study.

Methods: The participants, students at the Humanities and Social Sciences in Zagreb (N?=?1087), completed an Anxiety Sensitivity Index and State-Trait Anxiety Inventory (Trait form) and, after a period of three years, were asked to self-assess criteria for panic disorder (according to the DSM-5).

Results: The predictive validity of AS for the onset of panic disorder symptoms, regardless of trait anxiety, was confirmed. Furthermore, the physical concerns dimension of AS was the only significant predictor of panic disorder symptoms. The optimal cutoff score of 25 on the ASI provides poor to moderate accuracy indices in detecting participants who will manifest panic disorder symptoms in the next three years.

Conclusion: This study contributes to our current understanding of AS as a prospective risk factor for panic disorder symptoms.
Keywords:Anxiety sensitivity  trait anxiety  panic disorder symptoms  prospective validity  prospective study
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