Reference
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. http://dx.doi.org/10.1001/archinte.166.10.1092
List of questions
...
Original 7-item version
(PDF)
...
Where this scale is used in CLOSER questionnaires/databases
...
For information about this scale, please visit CLOSER Discovery.