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The Generalized Anxiety Disorder (GAD) questionnaire (Spitzer et al., 2006) is a 7-item scale designed to measure generalised anxiety disorder. Different versions of the scale have been created which include a subset of the original 7 items.

Spitzer, R. L., Kroenke, K., Williams, J. B., & Löwe, B. (2006). A brief measure for assessing generalized anxiety disorder: the GAD-7. Archives of internal medicine, 166(10), 1092-1097. 10.1001/archinte.166.10.1092

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Original 7-item version 

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¹ Kroenke, K., Spitzer, R. L., Williams, J. B., Monahan, P. O., & Löwe, B. (2007). Anxiety disorders in primary care: prevalence, impairment, comorbidity, and detection. Annals of Internal Medicine, 146(5), 317-25. 10.7326/0003-4819-146-5-200703060-00004

Use of this scale in CLOSER Discovery study questionnaires and datasets

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COVID-19 Questionnaire for women

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MCS Age 20 Cohort Member COVID-19 Survey - Wave 2

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MCS Cohort Member COVID-19 Survey in Five National Longitudinal Cohort Studies (2020) Wave 2 Dataset

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For more information about this scale, please visit CLOSER Discovery.