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Table 4 Risk factors associated with the prevalence of C. difficile in cows and third age group of calves (57–180 days)

From: Identification of risk factors influencing Clostridium difficile prevalence in middle-size dairy farms

Age group Cows Calves 57–180 days
Risk factors Odds ratio CI, low CI, up P value P.bh Odds ratio CI, low CI, up P value P.bh
Intestinal parasites cows 0.67 0.27 1.67 0.397 0.685 1.11 0.45 2.73 0.805 0.899
Intestinal parasites calves 0.97 0.47 1.98 0.937 0.976 1.12 0.53 2.37 0.760 0.899
Dietary change 5.00 2.06 12.11 0.001 0.007 2.84 1.10 7.35 0.030 0.289
Heat index 0.95 0.91 0.99 0.046 0.323 0.98 0.93 1.02 0.423 0.899
Breed 1.80 0.58 5.57 0.304 0.685 2.82 1.23 6.47 0.014 0.268
Antibiotic treatment: cows 1.72 0.86 3.43 0.118 0.323 1.26 0.59 2.69 0.545 0.899
Other treatment: cows 1.85 0.91 3.74 0.087 0.323 1.16 0.51 2.60 0.715 0.899
GI diseases: cows 1.60 0.54 4.68 0.390 0.685 0.86 0.18 4.18 0.862 0.909
Mastitis 1.30 0.58 2.88 0.513 0.750 1.16 0.48 2.78 0.736 0.899
Other diseases: cow 3.38 0.72 15.73 0.119 0.323 0.00 0.00 1.000 1.000
Antibiotic treatment: calves 0.64 0.19 2.11 0.468 0.741 0.56 0.12 2.64 0.472 0.899
Other treatment: calves 1.18 0.46 3.02 0.723 0.858 1.26 0.44 3.61 0.664 0.899
GI diseases: calves 0.00 0.00 0.976 0.976 1.55 0.16 14.32 0.696 0.899
Other diseases: calves 1.40 0.42 4.66 0.5764 0.782 1.33 0.35 5.06 0.669 0.899
Meteorological season-winter vs     0.060 0.323     0.230 0.899
 Spring 1.20 0.48 3.00 0.693 0.858 1.52 0.57 4.01 0.395 0.899
 Autumn 0.55 0.14 2.10 0.391 0.685 0.58 0.14 2.36 0.451 0.899
 Summer 0.32 0.09 1.14 0.079 0.323 0.64 0.17 2.34 0.503 0.899
  1. CI: 95% confidential intervals.
  2. P.bh: P values adjusted with Benjamimi and Hochberg method.