**Reference for final published version:** Smith L. E., Potts H. W. W., Amlȏt R., Fear N. T., Michie S., Rubin G. J. (2022). How has the emergence of the Omicron SARS-CoV-2 variant of concern influenced worry, perceived risk, and behaviour in the UK? The COVID-19 Rapid Survey of Adherence to Interventions and Responses (CORSAIR) study. BMJ Open. doi: http://doi.org/10.1136/bmjopen-2022-061203
**Link to pre-print**: https://osf.io/rpcu2
**Pre-prints also uploaded as files below.**
Version 2: Omicron pre-print 17-1-22
Version 1: Omicron W63.5 pre-print