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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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