AUTHOR CONTRIBUTIONS
Theresa M. Marteau conceptualised the study with methods input from Gareth J. Hollands, Marcus R. Munafò, David Hammond. Ilse Lee administered the study and collected and cleaned data together with Anna K. M. Blackwell, Alice Hobson, Danielle Wiggers. Mark A. Pilling and Katie De‐loyde curated the data and conducted the statistical analyses. Ilse Lee, Theresa M. Marteau, Mark A. Pilling drafted the manuscript with all authors providing critical revisions. Theresa M. Marteau is guarantor.