At the time of the study, William J. Reidy was a doctoral student with the Department of Epidemiology, University of Washington School of Public Health and Community Medicine, Seattle. Freya Spielberg was with the Department of Family Medicine, University of Washington, Seattle. Robert Wood is with Public Health—Seattle & King County HIV-AIDS Program, Seattle. Diane Binson and William J. Woods are with the Department of Medicine Center for AIDS Prevention Studies, University of California, San Francisco....