Using Geographic Information Systems to Highlight Diabetes Prevention Program Expansion Areas in Pennsylvania

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Map A depicts the 22 counties in Pennsylvania without DPPs, highlighting areas where PADOH can focus DPP expansion efforts. Forest, Cameron, and Sullivan counties have populations under 10,000 people and do not have a DPP site. Map B depicts the CDNIRs for each underserved county in Pennsylvania in 3 risk factor categories: health, socioeconomic, and access indicators. The ODNIRs for the 22 underserved areas shown in Map C demonstrate priority areas for DPP expansion efforts.

Map A shows underserved DPP areas, counties that do not have any CDC-recognized DPPs and have a population of 10,000 or more, in Pennsylvania. Map B shows the CDNIRs for each underserved county within Pennsylvania in 3 risk factor categories; health, socioeconomic, and access indicators. Numbers indicate ranking on 3 hierarchical tiers according to need for DPP: low (range, 1.0–6.9), moderate (range, 7.0–12.9), and high (range, 13.0–22.0) CDNIRs are an average of the county ranks for each indicator in the 3 categories. Map C shows the ODNIRs for the 22 underserved areas. ODNIR is a weighted average of 3 CDNIRs: health, socioeconomic, and access indicators. Abbreviations: CDC, Centers for Disease Control and Prevention; CDNIRs, Category-wise DPP Need Index Ranks; DPP, Diabetes Prevention Program; ONDIRs, Overall DPP Need Index Ranks; PADOH, Pennsylvania Department of Health.

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