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Subjects
- Health Benefit Plans, Employee1
- Health Care Surveys -- statistics & numerical data1
- Humans1
- Income -- statistics & numerical data1
- Insurance Coverage -- statistics & numerical data1
- Insurance Coverage -- trends1
- Insurance, Health -- statistics & numerical data1
- Insurance, Health -- trends1
- Medically Uninsured -- statistics & numerical data1
- Population Surveillance -- methods[remove]1
- Social Class1
- Socioeconomic Factors1
- United States1