Additional file 1 of Reducing cardiometabolic risk in adults with a low socioeconomic position: protocol of the Supreme Nudge parallel cluster-randomised controlled supermarket trial

Additional file 1: Tables with information on the food products to (not) be targeted in the supermarket (Table S1), on the types of healthy food nudges and examples of in-store use (Table S2), and the implementation fidelity checklist (Table S3).