•SNAP households are influenced by proximity to stores in predicting store choice.•Store choice among SNAP households predicted beverage purchases.•SNAP households are more likely to purchase sugar-sweetened beverages at supercenters and convenience stores.

OBJECTIVES The retail environment provides important opportunities for tobacco industry communication with current, former, and potential smokers. This study documented the extent of tobacco promotions at the retail point-of-sale and examined associations between the extent of tobacco promotions and relevant city and store characteristics. METHODS In each of 20 Ontario cities, 24 establishmen...