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The Contact Network of Inpatients in a Regional Healthcare System. A Longitudinal Case Study

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  • FREDRIK LILJEROS
  • JOHAN GIESECKE
  • PETTER HOLME

Abstract

Contact networks are extracted for 295,108 inpatients over a two-year period from a database used for administering a local public healthcare system that serves 1.8 million individuals in Stockholm county. Structural and dynamic properties of the network that are important for the transmission of contagious diseases are analyzed by methods derived from network epidemiology. The contact networks are found to be very much determined by an extreme (age-independent) variation in the duration of hospital stays and the hospital structure. The structure of contacts between inpatients are found to exhibit structural properties such as a high level of transitivity, assortativity, and variation by number of contacts, which are likely to be of importance for the transmission of less contagious diseases. If these properties are considered when designing prevention programs, the risk and effect of epidemic outbreaks may be decreased.

Suggested Citation

  • Fredrik Liljeros & Johan Giesecke & Petter Holme, 2007. "The Contact Network of Inpatients in a Regional Healthcare System. A Longitudinal Case Study," Mathematical Population Studies, Taylor & Francis Journals, vol. 14(4), pages 269-284, November.
    • Handle: RePEc:taf:mpopst:v:14:y:2007:i:4:p:269-284
    DOI: 10.1080/08898480701612899
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    References listed on IDEAS

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    1. Raymond Gani & Steve Leach, 2001. "Transmission potential of smallpox in contemporary populations," Nature, Nature, vol. 414(6865), pages 748-751, December.
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    Cited by:

    1. Sungmin Lee & Luis E C Rocha & Fredrik Liljeros & Petter Holme, 2012. "Exploiting Temporal Network Structures of Human Interaction to Effectively Immunize Populations," PLOS ONE, Public Library of Science, vol. 7(5), pages 1-10, May.
    2. Luis E C Rocha & Vincent D Blondel, 2013. "Bursts of Vertex Activation and Epidemics in Evolving Networks," PLOS Computational Biology, Public Library of Science, vol. 9(3), pages 1-9, March.

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