Urban food swamps are typically situated in low-income, minority communities and contribute to overweight and obesity. Changing the food landscape in low income and underserved communities is one strategy to combat the negative health consequences associated with the lack of access to healthy food resources and an abundance of unhealthy food venues. In this paper, we describe Proyecto MercadoFRESCO (Fresh Market Project), a corner store intervention project in East Los Angeles and Boyle Heights in California that used a multi-level approach with a broad range of community, business, and academic partners. These are two neighboring, predominantly Latino communities that have high rates of overweight and obesity. Located in these two communities are approximately 150 corner stores. The project used a community-engaged approach to select, recruit, and convert four corner stores, so that they could become healthy community assets in order to improve residents’ access to and awareness of fresh and affordable fruits and vegetables in their immediate neighborhoods. We describe the study framework for the multi-level intervention, which includes having multiple stakeholders, expertise in corner store operations, community and youth engagement strategies, and social marketing campaigns. We also describe the evaluation and survey methodology to determine community and patron impact of the intervention. This paper provides a framework useful to a variety of public health stakeholders for implementing a community-engaged corner store conversion, particularly in an urban food swamp.

Historically, performing a negative appendectomy (NA) was justified to reduce the incidence of perforation. Furthermore, it is also believed that NA is associated with minimal morbidity and cost. The purpose of this study was to evaluate the frequency, clinical characteristics, and economic implications of NA. We reviewed the inpatient admissions on 274,405 patients who underwent nonincidental appendectomy as their primary procedure from the California State Inpatient Databases (2005–2011). Overall, 96.9 per cent had appendicitis (nonperforated = 73.1%, perforated = 23.8% and 3.1%) had NA. NA rates decreased steadily from 4.2 per cent in 2005 to 2.5 per cent in 2011 ( P < 0.01). The rates of appendectomy for perforated appendicitis rates also decreased slightly from 25.3 to 23.3 per cent during this time ( P = <0.01). Multivariate regression showed that female gender, African American race, and public insurance were all associated with increased NA rates. Compared with patients with appendectomy for nonperforated appendicitis, NA was associated with longer length of stay (NA = 3.2 days vs nonperforated = 1.7 days), higher median cost per admission (NA = $8626 vs nonperforated = $7605), and higher morbidity (4.7 vs 1.9%), all P < 0.01. Contrary to classic justification for NA, we did not find an inverse association of appendectomy for perforated appendicitis and NA at the hospital level. In conclusion, NA is associated with substantial clinical and financial burden, while having no apparent impact on lowering the rate of appendectomy for perforated appendicitis.

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