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Table 4 Multivariate model of F. hepatica to dependent variables

From: Determining the Prevalence and Seasonality of Fasciola hepatica in Pasture-based Dairy herds in Ireland using a Bulk Tank Milk ELISA

Variables in model (model p value)

Direction dependent variable

Explanation

Odds ratio

Confidence interval (95 %)

p-value

Age heifers first calving (p = 0.0582)

Positive vs. Negative

24-30 months vs. <24 months

1.64

0.82, 3.29

0.1630

>30 months vs. <24 months

3.46

1.15, 10.41

0.0269

>30 months vs. 24–30 months

2.11

0.84, 5.31

0.1120

Sampling date (p = <.0001)

 

June vs. March

1.05

0.90, 1.22

0.5482

August vs. March

1.53

1.28, 1.82

<.0001

November vs. March

2.74

2.16, 3.48

<.0001

August vs. June

1.46

1.24, 1.72

<.0001

November vs. June

2.62

2.08, 3.30

<.0001

November vs. August

1.80

1.49, 2.17

<.0001