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(includes ArcView 3.x legend (.avl) and ArcGIS 8.2+ layer file (.lyr)
This datalayer represents the six regions delineated by the commonwealth's Executive Office of Health and Human Services and used by the Department of Public Health for statistical, care coordination and administrative purposes. The regions - Western, Central, Northeast, Metro West, Boston and Southeast - are based on geographical groupings of cities and towns (see map at left).
The 2 layers - polygon and arc - are stored in ArcSDE as REGEOHHS_POLY and REGEOHHS_ARC
MassGIS received a list of town IDs and associated regions from staff at the Department of Public Health, Center for Health Information, Statistics, Research and Evaluation and joined it to the TOWNS layer. The layer was then dissolved by region to produce the six multi-part polygons in ArcMap. Population values were summed across each region and joined to the layer. Arcs were coded in coverage format in ArcInfo Workstation and converted to a geodatabase feature class.
The polygon attribute table contains the following items:
The arc attribute table contains the following items:
Item Width/Type Description REG_NUM 1 / I EOHHS Region Number (1-6) REG_NAM 10 / C EOHHS Region Name POP1980 9 / I 1980 Population of region POP1990 9 / I 1990 Population of region POP2000 9 / I 2000 Population of region
Item Width/Type Description OUTLINE
1 / I
9 = EOHHS Region boundary
1 = State outline
4 = Coastline
Related Database Table
The table REGEOHHS_POLY_TOWNS identifies which towns fall within each EOHHS region. Items include:
Item Description TOWN_ID Municipality ID, from TOWNS layer TOWN Municipality name, from TOWNS layer REG_NUM EOHHS Region Number (1-6) REG_NAM EOHHS Region Name
The Massachusetts Department of Public Health will provide any updates to MassGIS.
Last Updated 2/2/2004