Journal
EPIDEMIOLOGY AND INFECTION
Volume 140, Issue 2, Pages 311-322Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0950268811000628
Keywords
Age periods; campylobacteriosis; cattle; ecological study; poultry
Funding
- Canadian Institutes of Health Research
- Faculte de Medecine veterinaire de l'Universite de Montreal
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Campylobacteriosis is a leading cause of acute bacterial gastroenteritis. An ecological study was undertaken to explore the association between environmental characteristics and incidence of campylobacteriosis in relation to four age groups and two seasonal periods. A multi-level Poisson regression model was used for modelling at the municipal level. High ruminant density was positively associated with incidence of campylobacteriosis, with a reduced effect as people become older. High poultry density and presence of a large poultry slaughterhouse were also associated with higher incidence, but only for people aged 16-34 years. The effect of ruminant density, poultry density, and slaughterhouses were constant across seasonal periods. Other associations were detected with population density and average daily precipitation. Close contacts with farm animals are probably involved in the associations observed. The specificity of age and season on this important disease must be considered in further studies and in the design of preventive measures.
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