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Risk attribution of Campylobacter infection by age group using exposure modelling

BUETTNER, S. ; WIELAND, B. ; STAERK, K. D. C. ; REGULA, G.

In: Epidemiology and Infection, 2010, vol. 138, no. 12, p. 1748-1761

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    Titre
    • Risk attribution of Campylobacter infection by age group using exposure modelling
    Auteur
    • BUETTNER, S.. Federal Veterinary Office, Berne, Switzerland
    • WIELAND, B.. Veterinary Epidemiology and Public Health, Royal Veterinary College, University of London, UK
    • STAERK, K. D. C.. Veterinary Epidemiology and Public Health, Royal Veterinary College, University of London, UK
    • REGULA, G.. Institute of Veterinary Public Health, Faculty of Veterinary Medicine, University of Berne, Switzerland
    Type de document
    • Postprint
    Langue
    • Anglais
    Publié dans
    • Epidemiology and Infection, 2010, vol. 138, no. 12, p. 1748-1761. Cambridge University Press
    Autre version électronique
    Identifiant OAI-PMH
    • oai:doc.rero.ch:295709
    Summary
    Knowledge on the relative importance of alternative sources of human campylobacteriosis is important in order to implement effective disease prevention measures. The objective of this study was to assess the relative importance of three key exposure pathways (travelling abroad, poultry meat, pet contact) for different patient age groups in Switzerland. With a stochastic exposure model data on Campylobacter incidence for the years 2002-2007 were linked with data for the three exposure pathways and the results of a case-control study. Mean values for the population attributable fractions (PAF) over all age groups and years were 27% (95% CI 17-39) for poultry consumption, 27% (95% CI 22-32) for travelling abroad, 8% (95% CI 6-9) for pet contact and 39% (95% CI 25-50) for other risk factors. This model provided robust results when using data available for Switzerland, but the uncertainties remained high. The output of the model could be improved if more accurate input data are available to estimate the infection rate per exposure. In particular, the relatively high proportion of cases attributed to ‘other risk factors' requires further attention