What types of nutrition menu labelling lead consumers to select less energy-dense fast food? An experimental study

Abstract

This study assessed whether the inclusion of kilojoule labelling alone or accompanied by further nutrition information on menus led adults to select less energy-dense fast food meals. A between-subjects experimental design was used with online menu boards systematically varied to test the following labelling conditions: none (control); kilojoule; kilojoule. +. percent daily intake; kilojoule. +. traffic light; and kilojoule. +. traffic light. +. percent daily intake. Respondents were 1294 adults aged 18-49 in Victoria, Australia who had purchased fast food in the last month and were randomly assigned to conditions. Respondents in the no labelling condition selected meals with the highest mea..