Estimating the Size of the Uninsured and Other Vulnerable Populations in a Local Area: Table 3

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Table 3. State Efforts to Estimate Uninsurance Rates at the Sub-State Level

State	Level of Estimate	Data Sources	Estimates
California	Local-level information for counties with populations of > 40,000. The three cities with their own health departments are being over-sampled to reach a target RDD sample size of 800 per city.	The California Health Interview Survey (CHIS)	Public-use files from the CHIS Web site will be available beginning in late May 2002.
Hawaii	Four geographic regions—the city and county of Honolulu, and the counties of Hawaiì, Kauaì, and Maui.	The 2000 Hawaii Health Survey (HHS) The 1999 Behavioral Risk Factor Surveillance System (BRFSS) Survey	HHS: Honolulu: 4.5% Hawaiì: 7.4% Kauaì: 9.0% Maui: 7.9% BRFSS: Honolulu: 4.6% Hawaiì: 6.8% Kauaì: 5.6% Maui: 6.3%
Illinois	Five geographic regions—Northwest, Central, Southern, Collar, and Cook county.	Illinois population Survey of the Uninsured and Newly Insured (IPSUNI)	By geographic region (population weighted): Northwest: 12.83% Central: 10.98% Southern: 12.19% Collar: 15.05% Cook: 48.95%
Massachusetts	Two kinds of sub-State estimates: a. Geographic Region— Metro Boston Central Northeast Southeast West b. 5 Urban Areas— Boston Springfield Worcester Lowell/Lawrence New Bedford/Fall River	The 2000 Survey of Health Insurance Status of Massachusetts Residents	By geographic region: Metro Boston: 6.8% Central: 7.8% Northeast: 9.1% Southeast: 10.1% West: 7.6% By urban area: Boston: 10.1% Springfield: 12.7% Worcester: 10.1% Lowell/Lawrence: 13.3% New Bedford/Fall River: 13.1%
Minnesota	Thirteen Economic Development Regions Over sampling of populations of color, American Indians, and rural populations.	2001 Minnesota Health Access Survey	By Economic Development Region: Region 1: 5.4% Region 2: 9.4% Region 3: 6.3% Region 4: 7.6% Region 5: 8.8% Region 6: 6.5% Region 7: 5.4% Region 8: 5.1% Region 9: 4.2% Region 10: 5.3% Region 11: 4.5% Region 12: 3.4% Region 13: 5.4%
New Hampshire	a. Six Regions— North Country. Central Western. Central. Central Eastern. Southwest. Seacoast. b. Twenty-four Hospital Service Areas	New Hampshire Health Insurance and Access Survey (NH-HICAS)	a. By region— North Country: 14% Central Western: 12% Central: 9% Central Eastern: 13% Southwest: 9% Seacoast: 8% b. By Hospital Service Area.
New Mexico	Eight Public Use Microdata Areas (PUMAs) containing at least 100,000 population.	1999 New Mexico State Household Survey conducted by the Institute of Public Policy (IPP) at the University of New Mexico	By PUMA: PUMA 100: 12.6% PUMA 200: 27.8% PUMA 300: 5.0% PUMA 400: 7.5% PUMA 500: 11.5% PUMA 600: 6.9% PUMA 700: 7.3% PUMA 800: 9.4% PUMA 900: 12.0%
North Dakota	Eight (statistical) geographic regions.	Health Insurance Survey of North Dakota Farm and Ranch Operators conducted by the North Dakota Agricultural Statistics Service	By region: Region 1: 4% Region 2: 7% Region 3: 4% Region 4: 4% Region 5: 4% Region 6: 7% Region 7: 7% Region 8: 10%
Oregon	Eight regions, each one representing a set of contiguous counties. Minority augment sampling (over-sampling) was used for African-Americans, American Indians, Asian Americans, and Hispanic.	1998 Oregon Population Survey	By region: Region 1: 11.7% Region 2: 9.2% Region 3: 10.7% Region 4: 14.9% Region 5: 12.3% Region 6: 12.5% Region 7: 14.6% Region 8: 13.7%
Vermont	Counties in Vermont: Addison Bennington Caledonia Chittenden Essex Franklin Grand Isle Lamoille Orange Orleans Rutland Washington Windham Windsor	2000 Vermont Family Health Insurance Survey	Addison: 10.69% Bennington: 9.82% Caledonia: 10.72% Chittenden: 6.80% Essex: 11.62% Franklin: 8.50% Grand Isle: 7.75% Lamoille: 13.93% Orange: 11.02% Orleans: 11.80% Rutland: 9.36% Washington: 7.78% Windham: 11.76% Windsor: 11.43%
Washington	Eight geographic regions: African American, Asian, Hispanic, and Native American populations were over-sampled.	2000 Washington State Population Survey (SPS)	By region (all ages): Region 1: 11.0% Region 2: 9.5% Region 3: 7.7% Region 4: 6.8% Region 5: 6.2% Region 6: 14.1% Region 7: 8.0% Region 8: 10.8%
Wisconsin	The 2000 Wisconsin Family Survey reports data for: City of Milwaukee. Other Metropolitan Areas (excluding Milwaukee). Nonmetropolitan areas.	2000 Wisconsin Family Health Survey	Over the entire year: City of Milwaukee: 6% Other metropolitan (excluding Milwaukee) areas: 3% Non-metropolitan areas: 4% Point in time: City of Milwaukee: 9% Other metropolitan (excluding Milwaukee) areas: 5% Non-metropolitan areas: 7%

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