Table 1

Univariable associations of use of antimicrobials with prevalence of C.difficile and prevalence at different periods*

Class of antimicrobial

Odds ratio

95% CI

P-value


IN FEED

0.33


Tetracycline

0.77

0.55-1.08


DAYS ON FEED

0.47


< 62

4.25

0.73-24.63


62-71

1.07

0.21-5.38


> 71

Referent

Referent


* controlling for lack of independence sampling

Costa et al. BMC Veterinary Research 2012 8:38   doi:10.1186/1746-6148-8-38

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