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Volume 15, Number 7—July 2009

Dispatch

Methicillin-Resistant Staphylococcus aureus ST398 in Swine Farm Personnel, Belgium

Olivier DenisComments to Author , Carl Suetens1, Marie Hallin, Boudewijn Catry, Ilse Ramboer, Marc Dispas, Glenda Willems, Bart Gordts, Patrick Butaye, and Marc J. Struelens
Author affiliations: Université Libre de Bruxelles Hôpital Erasme, Brussels, Belgium (O. Denis, M. Hallin, M.J. Struelens); Scientific Institute of Public Health, Brussels (C. Suetens, B. Catry, I. Ramboer); Veterinary and Agrochemical Research Centre, Brussels (M. Dispas, G. Willems, P. Butaye); AZ Sint-Jan, Brugge, Belgium (B. Gordts); 1Current affiliation: European Centre for Disease Prevention and Control, Stockholm, Sweden.

Main Article

Table 1

Risk factors for carriage of methicillin-resistant Staphylococcus aureus among 127 persons on 49 pig farms, Belgium, 2007*

Variable No. carriers No. noncarriers aOR (95% CI) p value
MRSA prevalence among pigs, %
0 1 32 1 NA
1–49 15 17 50.7 (9.1–283.6) <0.001
50–84 16 17 90.3 (12.3–664.1) <0.001
>85
16
13
85.2 (14.5–501.8)
<0.001
Occupation, pig contact
No pig contact 4 23 1 NA
Other, >1 time/week 9 16 2.7 (0.4–17.5) 0.543
Pig farmer, >1 time/week
35
40
14.4 (3.7–55.5)
<0.001
Contact >1/week with
Dogs 16 4 19.8 (4.3–91.2) <0.001
Horses
7
4
4.8 (1.6–14.2)
0.006
Use of any barrier precaution† 39 59 8.0 (1.8–36.3) 0.008

*Multivariate analysis. aOR, adjusted odds ratio; CI, confidence interval; NA, not applicable.
†Protective clothing, e.g., apron, gloves, mask.

Main Article

1Current affiliation: European Centre for Disease Prevention and Control, Stockholm, Sweden.

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