biostudies-literatureUnknown22(1)McCormick BJJDiet norms are the shared social behaviours and beliefs about diets. In many societies, including the UK, these norms are typically linked to unhealthy diets and impede efforts to improve food choices. Social interactions that could influence one another's food choices, were highly disrupted during the lockdowns in response to the COVID-19 pandemic. A return to workplaces and re-establishment of eating networks may present an opportunity to influence dietary norms by introducing minimum dietary standards to in workplaces, which could then spread through wider home and workplace networks. An agent-based model was constructed to simulate a society reflecting the structure of a city population (1000 households) to explore changes in personal and social diet-related norms. The model tracked inBMC public health2390https://www.ebi.ac.uk/biostudies/studies/S-EPMC9763797biostudies-literatureModelling population responses to workplace minimum dietary standards introduced as workers return after social lockdowns.PMC9763797Whybrow SHorgan GWMacdiarmid JICraig TScalco AMcCormick BJJfalseModelling population responses to workplace minimum dietary standards introduced as workers return after social lockdowns.Diet norms are the shared social behaviours and beliefs about diets. In many societies, including the UK, these norms are typically linked to unhealthy diets and impede efforts to improve food choices. Social interactions that could influence one another's food choices, were highly disrupted during the lockdowns in response to the COVID-19 pandemic. A return to workplaces and re-establishment of eating networks may present an opportunity to influence dietary norms by introducing minimum dietary standards to in workplaces, which could then spread through wider home and workplace networks. An agent-based model was constructed to simulate a society reflecting the structure of a city population (1000 households) to explore changes in personal and social diet-related norms. The model tracked in2022-01-01T00:00:00Z2022 Dec2025-04-26T09:49:54.031Z2025-02-19T01:55:42.465ZS-EPMC97637973653974410.1186/s12889-022-14729-x