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Table 3 Multivariable linear regression model of factors associated with fecal C. perfringens count (log 10 CFU/g)

From: The epidemiology of Clostridium perfringens type A on Ontario swine farms, with special reference to cpb2-positive isolates

Variables Coefficient Standard Error 95% Confidence Interval P-value
Stage Suckling pig Referent
  Lactating sow −1.9 0.367 (−2.7)-(−1.2) <0.001
  Gestating sow −1.4 0.438 (−2.2)-(−0.50) 0.002
  Weanling −3.8 0.398 (−4.6)-(−3.1) <0.001
  Grower-finisher −4.4 0.413 (−5.2)-(−3.6) <0.001
  Manure pit −1.7 0.403 (−2.5)-(−0.93) <0.001
Other species Absent Referent
  Present −0.93 0.484 (−1.9)-(−0.019) 0.055
  Present x Gestating sow 1.5 0.626 0.30-2.75 0.015
  Present x Lactating sow 1.8 0.533 0.79-2.9 0.001
Sampling Period First Referent
  Second 0.34 0.234 (−0.12)-(−0.80) 0.144