Association Between Neighborhood Supermarket Presence and Glycated Hemoglobin Levels Among Patients With Type 2 Diabetes Mellitus

American Journal of Epidemiology
Y Tara ZhangAndrew J Karter

Abstract

We estimated associations between neighborhood supermarket gain or loss and glycemic control (assessed by glycated hemoglobin (HbA1c) values) in patients from the Kaiser Permanente Northern California Diabetes Registry (n = 434,806 person-years; 2007-2010). Annual clinical measures were linked to metrics from a geographic information system for each patient's address of longest residence. We estimated the association between change in supermarket presence (gain, loss, or no change) and change in HbA1c value, adjusting for individual- and area-level attributes and according to baseline glycemic control (near normal, <6.5%; good, 6.5%-7.9%; moderate, 8.0%-8.9%; and poor, ≥9.0%). Supermarket loss was associated with worse HbA1c trajectories for those with good, moderate, and poor glycemic control at baseline, while supermarket gain was associated with marginally better HbA1c outcomes only among patients with near normal HbA1c values at baseline. Patients with the poorest baseline HbA1c values (≥9.0%) had the worst associated changes in glycemic control following either supermarket loss or gain. Differences were not clinically meaningful relative to no change in supermarket presence. For patients with type 2 diabetes mellitus, gain...Continue Reading

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Citations

May 31, 2019·Current Diabetes Reports·Anika Afroz-HossainAlyson K Myers
Jul 12, 2018·Current Diabetes Reports·Usama BilalAna V Diez-Roux
Nov 4, 2020·Diabetes Care·Felicia Hill-BriggsDebra Haire-Joshu
Apr 11, 2021·The Journal of Clinical Endocrinology and Metabolism·Marshall H Chin

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