**Reference for final published version:** Smith L. E., Potts H. W. W., Amlȏt R., Fear N. T., Michie S., Rubin G. J. (2022). Who is engaging with lateral flow testing for COVID-19 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-2021-058060
**Link to pre-print:** https://osf.io/atn5u
**Pre-print also uploaded as file below.**