Examination of the utility of the Beck Anxiety Inventory and its factors as a screener for anxiety disorders
Section snippets
Participants
The study sample was obtained from consecutive adult referrals to an anxiety research and treatment center from 1994 to 2004. Two hundred eleven individuals participated in the study. Five individuals had a primary diagnosis of post-traumatic stress disorder (PTSD) and were excluded from the analyses because of the small number. Individuals with a primary diagnosis of an affective disorder (major depressive, dysthymic, and bipolar disorders) or an adjustment disorder were excluded (N = 13). The
Sample diagnoses
Forty-four individuals (22.8%) received a primary diagnosis of generalized anxiety disorder (GAD). Thirty-seven individuals (19.2%) received a primary diagnosis of either specific or social phobia. Thirty-six individuals (18.7%) received a primary diagnosis of panic disorder with or without agoraphobia. Twelve individuals (6.2%) received a primary diagnosis of obsessive–compulsive disorder (OCD). Sixty-four individuals (33.2%) received no psychiatric diagnosis.
BAI total score comparison between the primary diagnoses
The participants’ BAI scores
Discussion
The present study examined utility of the BAI and its four factors by determining whether they differ significantly between various anxiety disorders and what the cut scores are for the BAI and its factors for these disorders. The BAI scores of individuals with panic disorder, phobia, GAD, OCD, and no diagnosis were compared. The mean scores across the same diagnostic groups were then compared for the four factors of the BAI as found by Beck and Steer (1991) and confirmed by others. The ROC
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