A randomized trial of calorie labeling on menus

摘要: Abstract Background Food consumed outside the home accounts for a growing proportion of North American diet and has been associated with increased obesity. Purpose To examine effect nutrition labeling on menus awareness, use, food consumption, including impact “traffic light” adding other nutrients. Methods Blinded, randomized trial 635 Canadian adults conducted in 2010–2011. Participants ordered free meal from one four experimental menus: 1) no nutritional information shown, 2) calorie amounts only, 3) lights”, 4) calorie, fat, sodium, sugar shown lights”. Recall information, knowledge content nutrient consumption were assessed. Results conditions more likely to recall meals report using when ordering. The was not significantly different across conditions; however, lower among participants Calorie-only condition compared No (mean = − 96 kcal, p = .048). Conclusions Menu awareness use reduced consumption. Adding had little calorie-only labeling.