Table 2.

Correlation coefficients between salivary analytes (salivary alpha-amylase (sAA), lipase, total esterase (TEA), butyrylcholinesterase (BChE), adenosine deaminase (ADA), and cortisol) and the frequencies of occurrence of behavioural patterns, the index of emotionality, and the index of laterality obtained in nine horses after a sudden experimental stress.

	sAA (IU/L)		Lipase (IU/L)		TEA (IU/L)		BChE (nmol/mL/min)		ADA (IU/L)		Cortisol (μg/dL)
	r	p value	r	p value	r	p value	r	p value	r	p value	r	p value
sAA (IU/L)			0.15	0.334	0.01	0.987	0.30	0.049	0.08	0.582	0.40	0.006
Lipase (IU/L)	0.15	0.334			0.69	<0.001	0.36	0.014	0.23	0.126	0.26	0.088
TEA (IU/L)	0.01	0.987	0.69	<0.001			0.24	0.110	0.49	<0.001	0.31	0.040
BChE (nmol/mL/min)	0.30	0.049	0.36	0.014	0.24	0.110			0.44	0.002	0.43	0.004
ADA (IU/L)	0.08	0.582	0.23	0.126	0.49	<0.001	0.44	0.002			0.22	0.143
Cortisol (μg/dL)	0.40	0.006	0.26	0.088	0.31	0.040	0.43	0.004	0.22	0.143
Standing quietly immobile (%)	−0.26	0.482	−0.18	0.633	−0.08	0.817	−0.69	0.041	−0.16	0.665	−0.21	0.571
Slow/exploratory walk (%)	0.07	0.870	0.16	0.680	0.02	0.870	−0.26	0.368	−0.18	0.647	−0.57	0.062
Sniffing at the ground (%)	−0.65	0.043	0.18	0.651	−0.12	0.761	−0.39	0.236	−0.09	0.717	0.11	0.770
Sustained walk (%)	0.01	0.901	−0.08	0.734	0.08	0.842	0.67	0.06	0.19	0.620	0.59	0.098
Trot (%)	0.16	0.686	−0.12	0.668	−0.18	0.556	0.57	0.116	−0.03	0.844	0.45	0.220
Gallop (%)	−0.16	0.222	0.09	0.583	−0.07	0.306	−0.02	0.389	0.07	0.556	−0.16	0.222
Passage (%)	−0.25	0.111	0.55	0.139	0.48	0.222	0.16	0.694	0.16	0.694	−0.07	0.306
Vigilance (%)	0.38	0.313	−0.25	0.521	−0.22	0.581	0.67	0.06	0.33	0.385	0.32	0.410
Tail posture (%)	0.01	0.663	0.42	0.266	0.30	0.440	0.46	0.226	−0.08	0.492	0.540	0.540
Alarm (%)	0.14	0.222	0.55	0.222	0.14	0.222	−0.13	< 0.001	−0.14	<0.001	−0.41	<0.001
Snoring/blowing (%)	−0.29	0.310	−0.18	0.476	0.05	0.900	0.69	0.046	0.13	0.760	0.67	0.057
Looks at the umbrella (%)	0.17	0.678	0.00	0.999	−0.14	0.725	0.53	0.146	0.15	0.708	0.38	0.312
with both eyes	0.11	0.784	−0.18	0.620	−0.20	0.599	0.69	0.044	0.23	0.546	0.60	0.092
with the right eye	0.26	0.498	0.25	0.512	0.03	0.935	−0.06	0.868	−0.50	0.164	−0.12	0.751
with the left eye	−0.16	0.603	−0.17	0.571	0.09	0.823	0.76	0.025	0.16	0.686	0.71	0.039
Ear orientation (%)
axial ear	−0.31	0.398	0.20	0.600	0.36	0.337	−0.30	0.411	0.15	0.698	−0.08	0.816
backward ear	−0.02	0.958	−0.36	0.327	−0.21	0.572	−0.42	0.242	0.26	0.498	−0.38	0.304
forward ear	0.15	0.697	−0.13	0.715	−0.02	0.950	0.45	0.232	0.18	0.646	0.16	0.684
mixing ear	0.11	0.785	0.41	0.272	0.44	0.234	0.29	0.456	0.43	0.249	0.23	0.555
Index of emotionality (index)	−0.03	0.920	0.03	0.940	0.05	0.899	0.68	0.049	0.12	0.767	0.40	0.281
Index of laterality (index)	0.21	0.581	0.32	0.391	−0.11	0.779	−0.68	0.041	−0.68	0.041	−0.45	0.195