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The BARI-hoods Project: neighborhood social determinants of health and postoperative weight loss using integrated electronic health record, census, and county data

Published:December 29, 2022DOI:https://doi.org/10.1016/j.soard.2022.12.033

      Highlights

      • While living in close proximity to foods stores does not ensure utilization, in this study, patients who lived within a 10-Minute walk to food stores had better weight loss two years after bariatric surgery.
      • Black patients with access to more food stores within a 10-Minute walk and White patients with more access within a 5-Minute walk had greater %TWL over 24 months.
      • Living in areas with lower poverty levels did not negatively affect weight loss for Black patients.
      • There were no significant associations for weight loss based on unemployment rate or proximity to fitness/recreational facilities and percent open area.

      Abstract

      Background

      While social determinants of health (SDoH) have gained attention for their role in weight loss following bariatric surgery, electronic health record (EHR) data provide limited information beyond demographics associated with disparities in weight loss.

      Objective

      To integrate EHR, census, and county data to explore disparities in SDoH and weight loss among patients in the largest populous county of Ohio.

      Setting

      Seven hundred seventy-two patients (82.1% female; 37.0% Black) who had primary bariatric surgery (48.7% gastric bypass) from 2015 to 2019 at Ohio State University.

      Methods

      EHR variables included race, insurance, procedure, and percent total weight lost (%TWL) at 2/3, 6, 12, and 24 months. Census variables included poverty and unemployment rates. County variables included food stores, fitness/recreational facilities, and open area within a 5- and 10-minute walk from home. Two mixed multilevel models were conducted with %TWL over 24 months, with visits as the between-subjects factor; race, census, county, insurance, and procedure variables were covariates. Two additional sets of models determined within-group differences for Black and White patients.

      Results

      Access to more food stores within a 10-minute walk was associated with greater %TWL over 24 months (P = .029). Black patients with access to more food stores within a 10-minute (P = .017) and White patients with more access within a 5-minute walk (P = .015) had greater %TWL over 24 months. Black patients who lived in areas with higher poverty rates (P = .036) experienced greater %TWL over 24 months. No significant differences were found for unemployment rate or proximity to fitness/recreational facilities and open areas.

      Conclusions

      Close proximity to food stores is associated with better weight loss 2 years after bariatric surgery. Lower poverty levels did not negatively affect weight loss in Black patients.

      Keywords

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