Table 3. Statistics of the life-history traits of the population of lines with a history of inbreeding, measured in inbred and outbred offspring of pairs of sisters.

Trait	Inbred		Outbred		n	t	P-value
	Mean	s.e.	Mean	s.e.
Female maturity rate	0.47	0.06	0.41	0.06	34	0.85	0.40
Male maturity rate	0.86	0.05	0.78	0.08	26	1.15	0.26
Overall maturity rate	0.55	0.05	0.48	0.06	34	1.53	0.14
Juvenile survival	0.79	0.04	0.86	0.03	37	−1.43	0.16
Longevity	29.44	1.47	29.19	1.31	16	0.12	0.90
Oviposition rate	11.48	0.49	11.76	0.46	29	−1.21	0.24

The sample size n refers to the number of independent lines; average values per line were used in the statistical tests.