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Volume 18, Number 12—December 2012


Farm Animal Contact as Risk Factor for Transmission of Bovine-associated Salmonella Subtypes

Kevin J. CummingsComments to Author , Lorin D. Warnick, Margaret A. Davis, Kaye Eckmann, Yrjö T. Gröhn, Karin Hoelzer, Kathryn MacDonald, Timothy P. Root, Julie D. Siler, Suzanne M. McGuire, Martin Wiedmann, Emily M. Wright, Shelley M. Zansky, and Thomas E. Besser
Author affiliations: Author affiliations: Texas A&M University, College Station, Texas, USA (K.J. Cummings); Cornell University, Ithaca, New York, USA (K.J. Cummings, L.D. Warnick, Y.T. Gröhn, K. Hoelzer, J.D. Siler, M. Wiedmann, E.M. Wright); Washington State University, Pullman, Washington, USA (M.A. Davis, T.E. Besser); Washington State Department of Health, Olympia, Washington, USA (K. Eckmann, K. MacDonald); New York State Department of Health, Albany, New York, USA (T.P. Root, S.M. McGuire, S.M. Zansky)

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Table 3

Association between infection with a bovine-associated Salmonella subtype and farm animal contact, New York and Washington, USA, March 1, 2008–March 1, 2010*

Variable Odds ratio (95% CI) p value
Farm animal contact 3.2 (1.6–6.4) 0.0008
Undercooked ground beef 1.5 (0.7–3.1) 0.3
Unpasteurized milk 0.5 (0.1–4.2) 0.5
International travel 0.2 (0.1–0.6) 0.002

*Estimated by a logistic regression model.

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