Measuring Social Contacts in the Emergency Department

Douglas W Lowery-North, Vicki Stover Hertzberg, Lisa Elon, George Cotsonis, Sarah A Hilton, Christopher F Vaughns, Eric Hill, Alok Shrestha, Alexandria Jo and Nathan Adams

PLOS ONE, 2013, vol. 8, issue 8, 1-9

Abstract: Background: Infectious individuals in an emergency department (ED) bring substantial risks of cross infection. Data about the complex social and spatial structure of interpersonal contacts in the ED will aid construction of biologically plausible transmission risk models that can guide cross infection control. Methods and Findings: We sought to determine the number and duration of contacts among patients and staff in a large, busy ED. This prospective study was conducted between 1 July 2009 and 30 June 2010. Two 12-hour shifts per week were randomly selected for study. The study was conducted in the ED of an urban hospital. There were 81 shifts in the planned random sample of 104 (78%) with usable contact data, during which there were 9183 patient encounters. Of these, 6062 (66%) were approached to participate, of which 4732 (78%) agreed. Over the course of the year, 88 staff members participated (84%). A radiofrequency identification (RFID) system was installed and the ED divided into 89 distinct zones structured so copresence of two individuals in any zone implied a very high probability of contact

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0070854

DOI: 10.1371/journal.pone.0070854

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