<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>Generalized Anxiety Disorder - 7 (GAD-7) (Spitzer RL, Kroenke K, Williams JBW, Lowe B. A brief measure for assessing generalized anxiety disorder: The GAD-7. Arch Intern Med 2006; 166:1092-1097).</n0:def-definition><n0:def-source>CDISC</n0:def-source></n0:ComplexDefinition>
<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A standardized survey developed by Robert L. Spitzer and colleagues in 2006 which is used to identify probable cases of generalized anxiety disorder and assess the severity of an individual's symptoms. This instrument consists of 7 items and one follow-up item. Each item is rated on a scale of 0-3 where 0 is 'not at all' and 3 is 'nearly every day.'</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>