Table 3.

Regression model for F. hepatica ELISA PP in UK dairy herds (n=485) including climate and environmental and farm management variables (F_7,478 = 41.78, R² = 37%, p < .001).

	Unstandardised coefficients	t	Sig.	95% Confidence interval for B
	B	Std. error			Lower bound	Upper bound
(Constant)	56.80	12.71	4.47	0.00	31.64	81.96
5-yr mean Rainfall ASO	0.66	0.06	10.70	0.00	0.54	0.78
Slope of land	−2.35	0.59	−3.98	0.00	−3.51	−1.19
No. of cows	−8.13	2.43	−3.34	0.00	−12.93	−3.32
Water (access to river/stream/pond) (1 = yes)	7.98	2.82	2.83	0.01	2.40	13.55
Beef cattle on farm (1 = yes)	8.40	3.42	2.46	0.02	1.39	15.41
No. of youngstock	−4.30	1.77	−2.43	0.03	−8.01	−0.59
Boggy grazing land used (1 = yes)	6.09	3.33	1.83	0.08	−0.72	12.90