Danting Su, Ruying Hu, Le Fang, Jie Zhang, Hao Wang, Qingfang He, Lixin Wang, Ming Zhao, Min Yu
[The association between socioeconomic status and blood pressure control in diagnosed hypertension patients]
Zhonghua yu fang yi xue za zhi [Chinese journal of preventive medicine]
recently demonstrated small prizes given power plate plain fatfree milk entre fruit vegetable used elementary school cafeteria increase healthful food selection 300 purpose study measure changes food waste power plate pp program implemented pp intervention conducted innercity elementary school emoticons placed next preferred foods children given small prize selected pp data obtained observation cash register receipts trays 111 students intervention 96 examined content waste pp selection increased 2 73 p 001 significant change waste conclude small prizes incentive better food selection lead increase food waste