Estimated relative change in price of fruit and vegetable subgroups under each modelled Brexit scenario. Estimated relative change in price of fruit and vegetable subgroups under each modelled Brexit scenario. Error bars indicate 95% uncertainty intervals. Scenario S1: free trading agreement with the EU and third countries; scenario S2: free trading agreement with the EU; scenario S3: no-deal Brexit; scenario S4: liberalised trade regime. Paraskevi Seferidi et al. BMJ Open 2019;9:e026966 ©2019 by British Medical Journal Publishing Group