The Social Deprivation Index (SDI) measures were initially developed by Butler et al. (2012) using 2005–2009 American Community Survey (ACS) 5-year estimates and calculated at the Primary Care Service Areas (PCSA). This measure was updated 1) with more recent ACS data (5-year estimates) and 2) using additional areas: counties, census tract, Zip Code Tabulation Areas (ZCTA), and PCSAs. https://www.graham-center.org/maps-data-tools/social-deprivation-index.html
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Access Citation
Social deprivation index (SDI). Robert Graham Center - Policy Studies in Family Medicine & Primary Care. (2018, November 5). [Access date: Month Day, Year], from https://www.graham-center.org/rgc/maps-data-tools/sdi/social-deprivation-index.html.