Are you drinking too much?
The test is based on the AUDIT tool, developed by the World Health Organisation and widely used internationally to screen for alcohol harm:
Babor, T. F., Higgins-Biddle, J. C., Saunders, J. B., & Monteiro, M. G. (2001). The alcohol use disorders identification test (AUDIT): Guidelines for use in primary care. World Health Organization, Department of Mental Health and Substance Abuse.