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Generalized Anxiety Disorder Screener

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Generalized Anxiety Disorder Screener

(GAD-7; Spitzer, Kroenke, Williams, & Löwe, 2006).

The GAD-7 is a 7-item self-report measure assessing anxiety symptoms in adults. The GAD-7 can be used as a screening and diagnostic tool (Spitzer et al., 2006), and to monitor symptom changes over time (Kertz, Bidga-Peyton, & Bjorgvinsson, 2012). The GAD-7 has been used in several studies with adolescents (e.g. Farrand & Woodford, 2013; Daig, Herschbach, Lehmann, Knoll, & Decker, 2009), and a separate adolescent version exists as part of the Patient Health Questionnaire-Adolescent version (PHQ-A; Johnson, Harris, Spitzer, & Williams, 2002). Sample items include, “Worrying too much about different things” and “Feeling afraid as if something awful might happen” (Spitzer et al., 2006). Each item is rated on a scale from zero (“not at all”) to three (“nearly every day”). Total scores range from 0 to 21. The GAD-7 demonstrates excellent internal consistency (α = .92) and excellent test-retest reliability over a period of 19 months (r = .83; Spitzer et al., 2006). The GAD-7 demonstrates concurrent validity with the BAI (Beck et al., 1988) and the anxiety subscale of the Symptom Checklist-90 (SCL-90; Derogatis, Lipman, Rickels, Uhlenhuth, & Covi, 1974). The GAD-7 is available in many languages including English, Spanish, French, Urdu, and Chinese. A separate psychometric analysis on the Spanish version demonstrates good reliability and validity (Garcia-Campayo et al., 2010). The measure is available online (http://www.phqscreeners.com).

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