The influence of source of insurance coverage on the health care utilization patterns of the elderly.
D000368:Aged; D003625:Data Collection; D006299:Health Services for the Aged / Q000706:statistics & numerical data*; D006304:Health Status; D006760:Hospitalization / Q000706:statistics & numerical data; D006801:Humans; D007348:Insurance, Health / Q000706:statistics & numerical data*; D008484:Medicaid / Q000706:statistics & numerical data*; D006278:Medicare / Q000706:statistics & numerical data*; D009819:Office Visits; D012044:Regression Analysis; D012959:Socioeconomic Factors; D014481:United States