**Reference for final published version:** Smith L. E., Potts H.W.W., Amlot R., Fear N. T., Michie S., Rubin G.J. (2022). Engagement with protective behaviours in the UK during the COVID-19 pandemic: A series of cross-sectional surveys (the COVID-19 Rapid Survey of Adherence to Interventions and Responses [CORSAIR] study). BMC Public Health. doi: https://doi.org/10.1186/s12889-022-12777-x
**Link to pre-print:** https://osf.io/g6qbx
**Pre-prints also uploaded as files below.**
Version 2: Engagement with protective behaviours 1-2-22 preprint
Version 1: Perseverance not fatigue pre-print 29-12-20