Using Rewards-Based Incentives to Increase Purchase of Fruit and Vegetables in Lower-Income Households: Design and Start-Up of a Randomized Trial
This paper reports the design and baseline results of a rewards-based incentive program–the Frequent Buyer Rewards Study–in a large full-service supermarket located in a predominately minority community in Philadelphia, Penn. The Frequent Buyer Rewards Study is a four-phase randomized trial designed to increase the purchase of fruits and vegetables in lower-income households. Baseline data indicates More