Table 4.

Results from model selection using AICc as selection criterion.^a

Model	Mother’s rank	Mother’s parity	Mother’s presence	Dispersal	AICc	ΔAICc	Akaike weight
1	2.09		0.15	3.53	65.48	–	0.13
2		3.96	0.14	2.91	65.60	0.11	0.12
3	1.64			5.04	65.77	0.29	0.11
4		3.33	0.10		65.92	0.44	0.10
5		2.53		4.35	66.49	1.01	0.08
6				3.16	66.51	1.03	0.08
7	1.81		0.11		66.61	1.13	0.07
8	1.81	2.72	0.11	3.67	66.62	1.14	0.07
9			0.21		67.43	1.96	0.05
10	1.55	2.53	0.08		67.47	1.99	0.05
Mean	1.38	1.95	0.45	2.86

^aHazard ratios (exp(β)) for each term are denoted.