Lillian Sonnenberg|Emily D. Gelsomin|Douglas E. Levy|Jason Riis|Susan Barraclough|Anne N. Thorndike
A traffic light food labeling intervention increases consumer awareness of health and healthy choices at the point-of-purchase
Massachusetts General Hospital|Massachusetts General Hospital|Massachusetts General Hospital|Massachusetts General Hospital|Massachusetts General Hospital|Harvard University
surveyed customers hospital cafeteria boston massachusetts implementation traffic light food labeling determine effect labels customers awareness purchase healthy foodscafeteria items identified red unhealthy yellow less healthy green healthy customers interviewed n166 n223 labeling implemented respondent linked cash register data determine proportion red yellow green items purchased data collected februaryapril 2010 compared responses survey questions mean proportion red yellow green items per transaction customers interviewed baseline customers interviewed intervention survey response rate 60comparing responses labeling intervention baseline respondents identified healthnutrition important factor purchase 61 vs 46 p0004 reported looking nutrition information 33 vs 15 p0001 respondents noticed labels intervention reported labels influenced purchases likely purchase healthier items respondents notice labels p0001 bothtraffic light food labels prompted individuals consider health make healthier choices pointofpurchase