Differences in a Chain Supermarket's Sales to SNAP Shoppers Before and Since the COVID-19 Pandemic.

Objective: This study 1) compares grocery sales to Supplemental Nutrition Assistance Program (SNAP) shoppers in rural and urban grocery stores and 2) estimates changes in sales to SNAP shoppers in North Carolina (NC) since the pandemic.

Design: Weekly transaction data among loyalty shoppers at a large grocery chain across NC from October 2019 to December 2020 (n = 32; 182 store weeks) to assess nutritional outcomes.

Setting: North Carolina large chain grocery stores.