Table 2.

Contrasts between different weaning age groups in logistic regression analyses. DF = 1 in all comparisons. N = 5726 (personality trait analyses), N = 4925 (wool sucking analysis), N = 5683 (excessive grooming analysis), N = 5550 (owner-evaluated behaviour problem analysis).

	<8 weeks vs. 12–13 weeks		8–9 weeks vs. 12–13 weeks		10–11 weeks vs. 12–13 weeks		14–15 weeks vs. 12–13 weeks		14–15 weeks vs. early weaned		Adult/not weaned vs. other groups
	χ2	P	χ2	P	χ2	P	χ2	P	χ2	P	χ2	P
aggression towards family members	3.00	0.083	1.59	0.207	0.91	0.340	0.52	0.470	1.76	0.184	8.84	0.003
aggression towards strangers	5.62	0.017	0.04	0.850	0.57	0.452	3.68	0.055	4.43	0.035	10.91	0.001
aggression towards other cats	0.98	0.323	0.04	0.839	1.31	0.253	1.14	0.287	0.71	0.399	11.52	0.0007
shyness towards strangers	0.01	0.914	0.02	0.880	0.01	0.913	0.24	0.622	0.13	0.717	3.04	0.081
contact with people	3.68	0.055	1.06	0.302	1.81	0.178	0.45	0.504	0.12	0.728	0.66	0.416
shyness towards novel objects	0.09	0.762	0.49	0.484	0.003	0.955	0.001	0.972	0.22	0.640	5.20	0.023
wool sucking	0.48	0.490	0.83	0.362	0.004	0.949	0.90	0.342	1.85	0.174	13.72	0.0002
excessive grooming	0.48	0.488	0.008	0.930	0.00	0.995	6.61	0.010	2.61	0.106	3.45	0.063
owner-evaluated behaviour problem	14.07	0.0002	0.07	0.798	0.96	0.327	0.74	0.389	5.32	0.021	0.21	0.643