Store-directed price promotions and communications strategies improve healthier food supply and demand: impact results from a randomized controlled Baltimore City store-intervention trial

摘要

ObjectiveSmall food store interventions show promise to increase healthy food access in under-resourced areas. However, none have tested the impact of price discounts on healthy food supply and demand. We tested the impact of store-directed price discounts and communications strategies, separately and combined, on the stocking, sales and prices of healthier foods and on storeowner psychosocial factors.