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Subjects
- Models, Theoretical[remove]39
- United States39
- Humans32
- Forecasting7
- Income6
- Medicare5
- United States.5
- Consumer Behavior4
- Employment4
- Health Benefit Plans, Employee4
- Insurance Coverage -- statistics & numerical data4
- Insurance, Health4
- Insurance, Health -- economics4
- Insurance, Health -- statistics & numerical data4
- Social Security4
- Aged3
- Child3
- Chronic Disease3
- Decision Making3
- Disabled Persons3