Feasibility of using mobile point-of-sale technology in Baltimore City corner stores tracking sales: A brief report

Small food retail stores in many underserved urban settings keep no electronic records, making documentation of program impact on sales difficult to obtain. We examined the feasibility of introducing a point-of-sale tablet (POST) application to track sales of foods and beverages in Baltimore City corner stores. A sample of four geographically and ethnically diverse corner store owners were trained to use POST to track sales of 14 items for eleven days. Feasibility was documented via a structured survey and open-ended interviews. POST had high economic and cultural acceptability, operability, and perceived sustainability, regardless of language differences or familiarity with mobile technology. All store owners reported willingness to use POST again. It is feasible to train corner store owners to use a point-of-sale application for sales monitoring. An upcoming trial will help to ensure that POST provides sufficient value added for corner store owners.

Local Farmer Perspectives on Improving Produce Distribution Networks in Low-Income Urban Settings

Objectives The Baltimore food system includes small hyper-local urban farms within city limits, larger local farms surrounding the city, and ubiquitous corner stores particularly in low-income neighborhoods of the city. In this system, farmers mainly reach consumers through farmer's markets that are only open for a limited number of hours per week, seasonally, and may not be adequate for meeting the needs of low-income households with low access to fresh produce. To address this gap, our team is working to develop a mobile application (app), called the Baltimore Urban food Distribution (BUD) app, that will provide a platform for farmers to sell their produce directly to corner stores for resale. Our present aims were to: (1) understand farmer's current interactions with corner stores; (2) explore perceived challenges that the BUD app may pose to farmers; and (3) pinpoint how the BUD app can sustainably expand farmers’ market base to include corner stores. Methods After designing a BUD app prototype based on formative research, 1-hour in-depth interviews were conducted with hyper-local and local farmers. Farmers were asked about their current distribution practices within Baltimore and perceived challenges in adopting the app. Farmers were then shown the prototype and asked to provide input on user-friendliness, and interest level in future use of the app. Results Local farmers currently have little to no interaction with corner stores. Interviews revealed that local farmers did not want the responsibility of delivering produce to corner stores due to long travel times. Choosing a central location for pickup by corner store owners, such as a farmer's market, could address this. Farmers liked app features such as product info pages and alerts for deals to support market expansion to corner stores. Social networking opportunities within the app can help foster sustainable relationships among local farmers and corner store owners. Conclusions A stronger distribution network is needed to facilitate increased access to fresh produce in low-income urban settings and strengthen connections between local farmers, corner stores, and consumers. Mobile technology offers a promising approach to improve food distribution between local farmers and corner stores and should be further explored. Funding Sources NHLBI, NIH, award number R34HL145368.

Improving Food System Connectivity: Using Mobile Technology to Leverage Community Partnerships and Strengthen Local Food Systems

Objectives In low-income areas of Baltimore, corner stores are common food sources yet often lack fresh produce. Corner stores are uniquely positioned in the urban food system and offer an opportunity to intervene on the supply chain. However, there is a critical gap in our understanding of the local food distribution network and the best strategies for provisioning corner stores with produce. We sought to inform the development of the Baltimore Urban food Distribution (BUD) mobile application (app), which moves fresh produce from local suppliers to corner stores. We sought to: (1) identify existing networks of local food distribution; (2) explore barriers to increasing fresh produce access within the local food system; and (3) evaluate the potential for sustainability of the BUD app. Methods Secondary data analysis of in-depth interviews (n = 17) conducted in 2016 among local food environment experts, corner store owners, distributors, and wholesalers was completed with the purpose of understanding existing networks of local food distribution, and barriers to increasing food access among stakeholders in the Baltimore food environment. Primary data collection was conducted in 2020–2021 with local stakeholders (n = 10) to confirm and expand upon these findings. Results Existing community distributor partnerships with corner stores and producers contribute to local food networks. Community food distributors with an established connection to wholesalers and urban farmers offer more direct access to fresh produce, but delivery is costly for corner stores. The BUD app could facilitate the arrangement of collective delivery services between distributors, urban farmers and corner stores. Potential barriers include a lack of demand for produce from consumers and a need for community engagement to be incorporated into the app. Conclusions Our findings suggest that enhancing community partnerships is a viable method for distributing fresh foods to local corner stores in Baltimore. Further research is needed to identify ways to increase consumer demand for these foods at the corner store level, and to strengthen the local food distribution system in Baltimore. Funding Sources NHLBI, NIH, award number R34HL145368.

Corner Store Retailers’ Perspectives on a Discontinued Healthy Corner Store Initiative

Making fresh fruits and vegetables (FFV) more widely available has been a prominent focus of healthy retail interventions and may have an important role in improving food access and diet quality at the population level. ‘Healthy retail’ interventions in corner/convenience stores (CS) are increasingly being adopted by public health practitioners to address the diet-related risk factors, improve food access at the community level, and change food retail environments. Private sector retailers are integral to the success of public health retailing interventions, making their perspectives and experiences critical. There is a particular need for greater evidence from retailers in settings where evaluations of these interventions have yielded null or mixed results. Through semi-structured interviews with 8 CS retailers (7 from urban settings and 1 from rural) in Ottawa, Ontario, Canada, this study aimed to describe experiences and critical factors regarding the feasibility and sustainability of a healthy CS program that was not sustained following the pilot testing phase, with a specific focus on the sale of FFV. Thematic analysis was used to analyze the interview data, which indicated that retailers faced two dominant challenges with selling FFV in CS: both relate to how these stores are embedded in the larger local and global food system. We join others in arguing that efforts and support for retail interventions aiming to increase the availability of FFV in CS need to address the structure and relations of the food system, as an upstream determinant of CS retailer interest and motivation.

Technology to Address Food Deserts: Low Energy Corner Store Groceries with Integrated Agriculture Greenhouse

Food deserts have emerged as sources of urban crises around the world. The lack of access to healthy food has rendered health inequities that have been made more visible by the devastating effects of COVID-19 on the populations experiencing food insecurity and healthy food access. Research is posed to fight food deserts through innovation and technology; specifically, through the development of corner store grocery markets with integrated agricultural greenhouses in such a way as to both provide access to healthy foods at reasonable cost to better meet nutritional needs, and significantly reduce operating costs. The posed technology includes a combined heat and power (CHP) system to reduce overall energy costs by meeting the partial electric and thermal loads required within the store and the connected greenhouse. A mathematical model is developed to control the operation of the CHP system and to dispatch the generated electric power to the store and the thermal energy to the greenhouse to minimize overall energy requirements. The model is applied to an ambient environment representing a heating-dominant climate. Results indicate the potential to reduce operating costs by 55% in a heating-dominant climate.

Feasibility of Introducing Mobile Point-of-Sale Technology into Urban Corner Stores for Evaluation of Sales

Objectives Small urban corner stores are a common venue for public health interventions, but evaluation of these initiatives is hampered by lack of formal electronic record-keeping. Previous research in Baltimore City, Maryland found that corner store owners would be interested in having access to a mobile application which offers point-of-sale features. The objective of this study was to examine the feasibility of using a simple mobile point-of-sale tablet (POST) application to track sales of healthy foods and beverages in Baltimore City corner stores. Methods POST is an interactive Android tablet mobile application developed for use by small corner store owners to track unit sales of 14 foods and beverages. Selected items were chosen to represent a balance of healthy and unhealthy options. POST is designed to be intuitive and can be adapted for use in multiple languages. A sample of four geographically and ethnically diverse corner store owners located in Baltimore City were trained to use POST during transactions in which they sold any of the selected items over an 11-day period. The research team elicited user feedback on acceptability, operability, and perceived sustainability. Results Training on the use of POST took five minutes, on average, regardless of store owners’ language differences or familiarity with mobile technology. POST was found to have moderate acceptability, high operability, and moderately high perceived sustainability by corner store owners. All store owners that completed the study reported that POST was easy to use and that they would use it again. Conclusions It is feasible to train corner store owners in low-income areas to use a simplified point-of-sale mobile application for sales monitoring. Future research should explore the value added of POST for public health interventions which rely on formal electronic record-keeping. Funding Sources No funding was received for this research.

Performance Analysis of an Integrated Solar Dehumidification System with HVAC in A Typical Corner Store in the USA

Food deserts have emerged in underserved urban and rural areas throughout the United States. Corner markets have filled the food voids, but generally without offering residents access to healthy food. The economics for doing so are prohibitive. The purpose of the study is to investigate an opportunity for reducing corner store energy costs in order to make possible retail of fresh produce and meat. Given the typical dominance of refrigeration to the energy cost in such stores, an integrated solar dehumidification system with heating, ventilation, and air conditioning (HVAC) is considered. A typical corner store baseline reliant upon conventional refrigeration and HVAC equipment is defined to serve as a basis for comparison. MATLAB Simulink dynamic models are developed for the posed system and baseline model. The results show energy reduction in the refrigerated cabinets of maximally 28%, 27%, and 20%, respectively, in Dayton, OH, Phoenix, AZ, and Pine Bluff, AR. The respective HVAC energy savings are respectively 28%, 56%, and 4%. Collectively these correspond to total annual energy savings of 43%, 51%, and 53%, translating to annual energy cost savings of greater than $12K in all locations.