Health Sciences, Public Health (0573); Health Sciences, Health Care Management (0769); Health Sciences, Public Health (0573); emergency department; homeless; frequent use
Central tolerance factor; Central tolerance region; Multivariate normal; Random effect model; Reference region; Simultaneous central tolerance interval
Health Sciences, Health Care Management (0769); Political Science, Public Administration (0617); Health Sciences, Health Care Management (0769); Medicare; Quality of Care; Health Status; Managed Care; Fee-for-Service