Table 2.

Estimates from the best models. Only two-way interaction parameters are shown (entire tables are available in electronic supplementary material tables S2 to S4). Dead, juveniles ‘dead’ group; nb, adults ‘non-breeder’. The reference group corresponds to the ‘surviving’ juveniles. Non-significant values are shown in italics.

parameters	dive depth			dive duration			post-dive duration
	estimates	s.e.	p-value	estimates	s.e.	p-value	estimates	s.e.	p-value
week1:groupnb	1183.00	459.80	0.010	1211.00	505.20	0.017	39.02	258.20	0.880
week1:groupdead	898.30	176.00	0.000	1111.00	222.30	0.000	807.00	134.10	0.000
week2:groupnb	−72.85	29.99	0.015	−65.87	32.83	0.045	−2.04	16.71	0.903
week2:groupdead	−179.10	43.59	0.000	−213.30	52.62	0.000	−188.90	31.20	0.000
week3:groupnb	2.01	0.82	0.014	1.60	0.89	0.073	0.11	0.45	0.807
week3:groupdead	14.20	4.12	0.001	16.93	4.84	0.000	16.89	2.83	0.000
week4:groupnb	−0.02	0.01	0.008	−0.02	0.01	0.079	−0.00	0.00	0.578
week4:groupdead	−0.40	0.13	0.002	−0.50	0.15	0.001	−0.50	0.09	0.000
groupnb:year	4.53	1.75	0.020	5.53	1.93	0.011	0.14	0.10	0.892
groupdead:year	0.76	0.24	0.007	1.27	0.30	0.001	0.60	0.20	0.010