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Subjects
- United States9
- Humans8
- Eligibility Determination3
- Forecasting3
- Insurance Coverage -- statistics & numerical data3
- Insurance, Disability -- statistics & numerical data3
- Censuses2
- Data Collection2
- Disability Evaluation2
- Disabled Persons2
- Employment -- statistics & numerical data2
- Health Policy2
- Health Status Indicators2
- Health Surveys2
- Insurance, Health -- statistics & numerical data2
- Medicare -- statistics & numerical data2
- Models, Theoretical2
- Regression Analysis2
- Retirement -- statistics & numerical data2
- Social Security -- statistics & numerical data2