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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