Trial Registration
mental disorder
ISRCTN12040087. Registered 04/05/2020. 10.1186/ISRCTN12040087. A full protocol for the randomised control trial was published: Gray NS, Davies H, Snowden RJ: Reducing stigma and increasing workplace productivity due to mental health difficulties in a large government organization in the UK: a protocol for a randomised control treatment trial (RCT) of a low intensity psychological intervention and stigma reduction programme for common mental disorder (Prevail). 