Author contributions
TB
JA, TB and AA conceived the idea for the work. The analysis plan was designed by JCH, TB and JA. TB led the takeaway outlet data collection from local councils. JCH led the data analysis, in consultation with TB, AA, SB, PM and JA. Principal investigators of the Fenland study who were responsible for its overall design, management and supervision of data collection are SB, NGF, SG and NJW. JCH drafted the manuscript and JCH, TB and JA interpreted the results. All authors reviewed and edited the manuscript.