Anne N. Thorndike|Lillian Sonnenberg|Jason Riis|Susan Barraclough|Douglas E. Levy
A 2-Phase Labeling and Choice Architecture Intervention to Improve Healthy Food and Beverage Choices
Massachusetts General Hospital|Massachusetts General Hospital|Massachusetts General Hospital|Massachusetts General Hospital|Massachusetts General Hospital
assessed whether 2phase labeling choice architecture intervention would increase sales healthy food beverages large hospital cafeteriaphase 1 3month colorcoded labeling intervention red unhealthy yellow less healthy green healthy phase 2 added 3month choice architecture intervention increased visibility convenience green items compared relative changes 3month sales baseline phase 1 phase 1 phase 2at baseline 977793 items including 199513 beverages 249 sales red 422 green sales red items decreased phases p 001 green items increased phase 1 p 001 largest changes occurred among beverages red beverages decreased 165 phase 1 p 001 decreased 114 phase 2 p 001 green beverages increased 96 phase 1 p 001 increased 40 phase 2 p 001 bottled water increased 258 phase 2 p 001 increase 2 onsite comparison cafeterias p 001a colorcoded labeling intervention improved sales healthy items enhanced choice architecture intervention