More than 45 million individuals in the United States lack health insurance, potentially limiting their access to and use of appropriate health care services. Although the uninsured comprise a range of income levels, little attention has been directed at higher-income uninsured adults and their patterns of care.
Robert Wood Johnson Clinical Scholars Program, Department of Internal Medicine, School of Medicine, Yale University, New Haven, Conn 06520-8088, USA. joseph.s.ross@yale.edu
