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The Generalized Anxiety Disorder 7-item scale (GAD-7) is a widely used self-administered diagnostic tool designed to screen for and assess the severity of generalized anxiety disorder (GAD). [1] Comprising seven items, the GAD-7 measures the frequency of anxiety symptoms over the past two weeks, with respondents rating each item on a scale from ...
GAD-7: Content validity: Good Covers seven of the core symptoms for generalized anxiety disorder. [32] Construct validity (e.g., predictive, concurrent, convergent, and discriminant validity) Good Scores correlate with the Beck Anxiety Inventory (r= .72) and the anxiety subscale of the SCL-90 (r=.74). [2] Discriminative validity Too excellent
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 is a seven-item anxiety screening instrument developed in 2006 with a similar format to that of the PHQ-9. [20] 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.
The study also showed high internal consistency and high test-retest reliability. The self-report version of the Scale has been extensively tested on the Spanish population, with results high in validity and reliability. They also found significant differences in the scores for some sub-scales (total fear) between males and females. [20]
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 ...
Generalized anxiety disorder (GAD) is an anxiety disorder characterized by excessive, uncontrollable and often irrational worry about events or activities. [5] Worry often interferes with daily functioning, and individuals with GAD are often overly concerned about everyday matters such as health, finances, death, family, relationship concerns, or work difficulties.
Shows convergent validity with other symptom scales. SCARED significantly positively correlated with CBCL. [4] Discriminative validity: Good: AUC of .67, able to discriminate between children with anxiety versus non-anxiety disorders in clinical settings, as well as individual types of anxiety disorders. [4] Validity generalization: Good