Table 4. Associations between behavioural, clinical, haematological and respiratory parameters.

X	Y	r	Pa	R2	Pb
Total head down duration	Tracheal mucus score	-0.717	0.012	46.1	0.013
	TW Bacteria log10CFU/ml	-0.686	0.019	41.3	0.020
	Tracheal inflammation score	-0.613	0.044	30.7	0.045
	Licking/Chewing	-0.718	0.012	46.2	0.013
	Pawing	-0.637	0.035	34.0	0.035
Total Movements	CK	0.658	0.027	36.9	0.028
	TP	0.619	0.042	31.5	0.042
Touching rubber tie cord	Cortisol	0.724	0.0117	61.5	0.012
	Tracheal inflammation	0.679	0.021	40.2	0.021
	Lowering the head frequency	-0.725	0.011	47.4	0.011
Total stress related behaviours	Fibrinogen	0.648	0.031	35.5	0.031
HR	Backward movement	0.914	<0.001	81.8	<0.001
	Forward movements	0.729	0.010	48.0	0.011
	Evasive behaviours	0.808	0.002	61.5	0.003
White blood cell	Neutrophils	0.927	<0.001	84.5	<0.001
	Fibrinogen	0.773	0.005	55.4	0.005
	Globulin	0.684	0.020	40.9	0.020
	Albumin	-0.757	0.007	52.7	0.007

Pearson correlations and linear regression analysis results showing associations between explanatory (X) and outcome (Y) factors. Data expressed as r and P^a for the correlation, and as R² and P^b for the linear regression.