Brian Elbel1, Tod Mijanovich2, Kamila Kiszko3, Courtney Abrams3, Jonathan Cantor1, L Beth Dixon4. 1. 1 Department of Population Health, New York University School of Medicine and the New York University Robert F. Wagner School of Public Service, New York, New York. 2. 2 NYU Steinhardt, New York, New York. 3. 3 Department of Population Health, New York University School of Medicine, New York, New York. 4. 4 Syracuse University, Syracuse, New York.
Abstract
PURPOSE: Interest and funding continue to grow for bringing supermarkets to underserved areas, yet little is known about their impact. DESIGN: A quasi-experimental study was used to determine the impact of a new supermarket opening as a result of tax and zoning incentives. SETTING: The study took place in the South Bronx, New York City, New York. SUBJECTS: Studied were residents of two South Bronx neighborhoods deemed high need. MEASURES: Food purchasing and consumption were examined via surveys and 24-hour dietary recalls before and at two points after the supermarket opened (1-5, 13-17 months). ANALYSIS: Data were analyzed using difference-in-difference models controlling for gender, race and ethnicity, age, education, marital status, and self-reported income. Ordinary least squares and logistic regression models were estimated for continuous and binary outcomes, respectively. RESULTS: At baseline, 94% to 97% of consumers shopped at a supermarket. There was a 2% increase in this behavior in the intervention community ( p < .05) not seen in the comparison community. One year later there was a 7% net increase in eating at home ( p < .1) and a 20% decrease in drinking sugary beverages ( p < .05), but no appreciable change in fruit/vegetable consumption or overall dietary quality. CONCLUSION: The new supermarket did not result in substantial or broad changes in purchasing patterns or nutritional quality of food consumed, though smaller, positive changes were observed over a 1-year period. Future work should examine different contexts and a broader set of outcomes, including economic development.
PURPOSE: Interest and funding continue to grow for bringing supermarkets to underserved areas, yet little is known about their impact. DESIGN: A quasi-experimental study was used to determine the impact of a new supermarket opening as a result of tax and zoning incentives. SETTING: The study took place in the South Bronx, New York City, New York. SUBJECTS: Studied were residents of two South Bronx neighborhoods deemed high need. MEASURES: Food purchasing and consumption were examined via surveys and 24-hour dietary recalls before and at two points after the supermarket opened (1-5, 13-17 months). ANALYSIS: Data were analyzed using difference-in-difference models controlling for gender, race and ethnicity, age, education, marital status, and self-reported income. Ordinary least squares and logistic regression models were estimated for continuous and binary outcomes, respectively. RESULTS: At baseline, 94% to 97% of consumers shopped at a supermarket. There was a 2% increase in this behavior in the intervention community ( p < .05) not seen in the comparison community. One year later there was a 7% net increase in eating at home ( p < .1) and a 20% decrease in drinking sugary beverages ( p < .05), but no appreciable change in fruit/vegetable consumption or overall dietary quality. CONCLUSION: The new supermarket did not result in substantial or broad changes in purchasing patterns or nutritional quality of food consumed, though smaller, positive changes were observed over a 1-year period. Future work should examine different contexts and a broader set of outcomes, including economic development.
Entities:
Keywords:
Diet; Economic Development; Fruit; Health focus: nutrition; New York City; Outcome measure: behavioral; Prevention Research. Manuscript format: research; Research purpose: program evaluation; Setting: Local community; Strategy: behavior change; Study design: quasi-experimental; Target population age: adults; Target population circumstances: education/income level; Vegetables; and race/ethnicity; built environment; geographic location
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