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The GAD-7 has further been studied and validated in numerous other samples and settings. [9] It has been shown to correlate with other measures of anxiety and has been considered superior to other questionnaires. [10] [11] [12] The GAD-7 has been evaluated in samples of both children and young individuals [13] as well as older adults.
Using a cut-off of 8 the GAD-7 has a sensitivity of 92% and specificity of 76% for diagnosis generalized anxiety disorder. The following cut-offs correlate with level of anxiety severity: Score 0-4: Minimal Anxiety; Score 5-9: Mild Anxiety; Score 10-14: Moderate Anxiety; Score greater than 15: Severe Anxiety
The GAD-7 showed good sensitivity to treatment effects in two randomized-controlled trials. [35] Clinical utility Excellent The GAD-7 is brief, free to use, and easy to score. [19] It is sensitive to change following treatment. [35] There is some evidence that elderly people may require some help to complete the scale accurately. [33] PHQ-15
Generalized Anxiety Disorder 7 (GAD-7) [4] [5] Hamilton Anxiety Scale (HAM-A) [6] [7] Hospital Anxiety and Depression Scale; Panic and Agoraphobia Scale (PAS) Panic Disorder Severity Scale (PDSS) PTSD Symptom Scale – Self-Report Version; Screen for child anxiety related disorders; Social Phobia and Anxiety Inventory-Brief form; Social Phobia ...
The GAD-7 is a seven-item anxiety screening instrument developed in 2006 with a similar format to that of the PHQ-9. [21] Total scores range from 0 to 21 with scores of 5, 10, and 15 indicating mild, moderate, and severe anxiety. Unlike the PHQ-9, clinicians use the GAD-7 to assess the severity of anxiety only. Unlike the PHQ-9, the GAD-7 does ...
The pathophysiology of GAD is an active and ongoing area of research often involving the intersection of genetics and neurological structures. [9] Generalized anxiety disorder has been linked to changes in functional connectivity of the amygdala and its processing of fear and anxiety. [16]
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The final subsample (n = 160), on which extensive validation of the final BAI was carried out, was made up of groups with primary diagnoses of major depressive disorder (n = 40); dysthymic disorder and atypical depression (n = 11); panic disorder (n = 45); generalized anxiety disorder (n = 18); agoraphobia with panic attacks (n = 18); social ...