Leah E. Masselink, BA, PhD Candidate, Department of Health Policy and Administration, University of North Carolina School of Public Health, Chapel Hill. E-mail: [email protected].
Shoou-Yih D. Lee, PhD, is Associate Professor, Department of Health Policy and Administration, University of North Carolina School of Public Health; and Research Fellow, Cecil G. Sheps Center for Health Services Research, University of North Carolina at Chapel Hill.
Thomas R. Konrad, PhD, is Professor, Department of Social Medicine, University of North Carolina School of Medicine; Professor, Department of Health Policy and Administration, University of North Carolina School of Public Health; and Senior Fellow, Cecil G. Sheps Center for Health Services Research, University of North Carolina at Chapel Hill.
This study was approved by the School of Public Health Institutional Review Board at the University of North Carolina at Chapel Hill. Data from this study were presented at the 2007 Academy Health Annual Research Meeting in Orlando, FL. The authors are grateful to Wayne Psek, MD, for his comments and assistance.