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Volume 8, Number 9—September 2002

Research

The 2000 Tularemia Outbreak: A Case-Control Study of Risk Factors in Disease-Endemic and Emergent Areas, Sweden

Henrik Eliasson*, Johan Lindbäck†, J. Pekka Nuorti‡, Malin Arneborn†, Johan Giesecke†, and Anders Tegnell†Comments to Author 
Author affiliations: *Örebro University Hospital, Örebro, Sweden; †Swedish Institute for Infectious Disease Control, Solna, Sweden; ‡National Public Health Institute, Helsinki, Finland;

Main Article

Table 1

Results of case-control analysis of risk factors for outbreak-associated tularemia, Sweden, 2000

Risk factors Cases Controls Matched odds ratio 95% confidence interval
Univariate analysis
Mosquito bites 196/202 313/392 8.3 3.3 to 21
Owning a cat 69/218 82/414 2.0 1.3 to 3.1
Farming 30/210 24/397 3.2 1.6 to 6.3
Visiting wooded areas 146/206 221/397 1.7 1.2 to 2.5
Owning a dog 32/218 73/414 0.75 0.45 to 1.3
Visiting golf courses 37/215 34/398 1.7 0.9 to 3.0
Visiting lakes and rivers 160/212 259/391 1.5 0.95 to 2.3
Multivariate analysis
Mosquito bites 196/202 313/392 8.8 3.3 to 23
Owning a cat 69/218 82/414 2.5 1.5 to 4.2
Farming 30/210 24/397 3.2 1.4 to 7.0

Main Article

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