Calorie menu labeling on quick-service restaurant menus

Swartz et al (2011)
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Summary by 
Mark Egan

This paper reviewed 7 recent studies on calorie labeling (of which 2 were considered good quality, 5 considered fair). Only two of the seven studies reported a statistically significant reduction in calories purchased among consumers using calorie-labeled menus. The current body of evidence suggests that calorie labeling does not have the intended effect of decreasing calorie purchasing or consumption.