Participant Geographic Access and Store Capacity Analyses: Vendor A, East Hartford, Connecticut, May 2020

Chronic Disease Map Gallery

Key points

These access and capacity maps help ensure an adequate distribution of the state’s WIC-authorized vendor resources to meet the needs of the local WIC population to access their monthly WIC benefits. The method­ology uses objective program data and provides the program with a consistent, timely and efficient means to justify the decision to remove a current–or not authorize a new–WIC program vendor.

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State of Connecticut WIC Program Participant Geographic Access and Stroke Capacity Analyses, Vendor A, East Hartford, CT
Participant access and store capacity analyses: Vendor A, East Hartford, Connecticut

Data sources

A final determination of “adequate” on these Access and Capacity Maps is interpreted to mean that the target catch­ment area has sufficient resources to meet the needs of the WIC population within its boundaries, and that the target store may be removed from the State’s WIC-Authorized Vendor List without jeopardizing compliance with the Program’s requirements or the needs of the local WIC population to access their WIC benefits. If these conditions are not met, a civil money penalty may be levied in lieu of termination.

ArcGIS Pro 2.5.0

  • CT-WIC MIS (Management Information System): WIC Participants & Authorized Vendors, 05/2020
  • shp (state/town shapefile), 02/2020
  • Latest Census data by ZIP code

  • Geocoding: WIC Participants & WIC-Authorized Vendors. Participant addresses, once geocoded, are modified, buffered and their borders dissolved to mask and protect client confiden­tiality. In addition, maps are exported with no Geographic Reference, and the map's City Streets layer and other land­marks are omitted, further masking participant locations.
  • Population density: by ZIP code is deter­mined from the latest Census figures, and classified as Rural (1- 1,500 pop/sq mi), Suburban (1,501 – 3,000 pop/sq mi), and Urban (3,001+ population/sq mi) environ­ments, with correspond­ing vendor Catchment Areas of 0.75-, 1.5- and 3.0-mile radii, respectively.
  • Buffer: used to delineate the above geographic environments and define the map's Target Catchment Area, corresponding to the store under evaluation;
  • Clip tool: employed to determine the number, and other characteristics, of WIC Participants and Authorized Stores within the defined Tar­get Catchment Area.
  • The map's vendor colors were selected to ensure 508 compliance.

An Access & Capacity map is prepared prior to a grocer no longer participating in the WIC program, allowing vendor staff to ensure sufficient coverage of the local WIC population should that grocer leave the program.

Susan J Hewes, MPH, Epidemiologist, Connecticut Department of Public Health
susan.hewes@ct.gov
(860) 423-4229

Hewes, Susan, MPH; Connecticut Department of Public Health. Accessed from the Centers for Disease Control and Prevention's Chronic Disease Map Gallery.

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Content Source:
National Center for Chronic Disease Prevention and Health Promotion (NCCDPHP); About the Division for Heart Disease and Stroke Prevention