William Carter, Tamanna Tiwari, Satheesh Elangovan, Lonnie Johnson, Karo Parsegian, Sangeetha Chandrasekaran
Patient awareness of the association between periodontal and systemic diseases in an academic setting
Journal of periodontology
choosing poorquality foods school cafeterias risk factor childhood obesity given option children often select chocolate milk plain white milk efforts increase plain white milk selection banning chocolate milk school cafeterias increases plain white fatfree milk pwffm purchase decreases overall milk purchase purpose study determine whether emoticon placement next healthful foods would increase healthful purchases particularly pwffm inner city elementary school 297 children green smiley face emoticons placed encourage purchase healthful foods including entre whole grains fruits vegetables pwffm purchase data obtained cash register receipts differences analyzed 2 care statistical process control spc graphical methods 74 students selected white milk baseline compared 179 emoticons placed p 00001 decrease chocolate milk purchase 865 771 addition emoticons p 0001 significant difference total milk purchase 934 emoticons compared 949 significant change purchase entre fruits however significant increase vegetable purchase 070 vegetables purchased per student per day 090 spc 8 points mean addition emoticons increases purchase pwffm vegetables school cafeteria setting without adversely affecting total milk sales emoticons offer practical lowcost means improve food selection children