Household Food and Beverages Purchases by Retailer Type in Mexico and Socio-economic Disparities

BackgroundEvidence in the US has shown that where people shop for food is linked to the healthfulness of household food purchases. In Mexico however, there has been no research examining the link between the retailers where people shop and what they buy, nor whether this differs by socioeconomic status (SES). Moreover, while the sugary beverage and junk food taxes have decreased purchases of taxed products, it is unknown whether these taxes also shifted where people shop. ObjectiveTo describe the proportion of the total volume and of key taxed and untaxed packaged foods and beverages purchases in Mexico by type of retailer and SES. MethodsThis study used a repeated cross-sectional analysis of household packaged food and beverage purchases from the Nielsen Mexico Consumer Panel Survey from 2012 to 2015 (N=22,738 household-year). Changes over time in the volume of food and beverage purchases by retailer type (i.e. supermarkets, traditional retailers, wholesalers, home-delivery and others) and SES were exami...