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Figure 3. Sample Data Matrix
|AHRQ Safety Net Monitoring Initiative Data
Five to ten key questions that can be answered with this data source:
- What proportion of the population in the area is uninsured?
- What proportion of the population in the area below 200% of poverty is enrolled in Medicaid?
- Is there a Community Health Center in the area?
- What proportion of hospital admissions are to public hospitals? Investor owned?
- How concentrated is uncompensated hospital care in the area?
- How many physicians are there per 100,000 population? By specialty?
- How many emergency department visits per 1,000 population are there in the area?
Sample or universe
90 Metropolitan Statistical Areas in 30 states, and all 1,818 counties in those States
Unit(s) of analysis
State, Metropolitan Statistical Area, County, and City
Periodicity of data collection
Completed once, plans to do one update
Access and usability of data
Data are publicly available on http://www.ahrq.gov/data/safetynet.
Confidence in validity of data
Generally very good, especially data from the U.S. Census. Data from some sources such as the American Hospital Association Annual Survey may have lower response rates in some areas than in others.
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