. Author manuscript; available in PMC: 2016 Sep 1.

Published in final edited form as: Heredity (Edinb). 2016 Jan 6;116(3):338–347. doi: 10.1038/hdy.2015.112

Table 1.

Direct effects of age, mitochondrial and nuclear genetic variation on introgression line female⁽¹⁾ fecundity (i.e. daily rate of egg laying) and fertility, and male⁽²⁾ ejaculate weight.

*Response variable:*	⁽¹⁾ Fecundity N=912					⁽¹⁾ Fertility N=912					⁽²⁾ Ejaculate weight N = 615

Fixed effects	Coef	se	χ ²	Df	P	Coef	se	χ ²	Df	P	Coef	se	χ ²	Df	P
Age	−0.67	0.04	305.0	1	<0.0001	−0.81	0.11	52.5	1	<0.0001			5.8	3	0.1198
Body weight	0.16	0.02	97.0	1	<0.0001	0.01	0.08	0.002	1	0.9636	5.44	0.40	183.6	1	<0.0001
Mating rate	0.04	0.02	6.8	1	0.0091	0.13	0.08	2.9	1	0.0874	-	-	-	-	-
Mitochondrial lineage			7.3	2	0.0266			1.8	2	0.3929			13.9	2	0.0010
Nuclear lineage			6.6	2	0.0373			0.0	2	0.9979			4.6	2	0.0986
Mito × Nuc			12.5	4	0.0141			8.1	4	0.0887			24.8	4	<0.0001
Age × Mito			4.4	2	0.1123			0.3	2	0.8724			31.7	6	<0.0001
Age × Nuc			6.0	2	0.0495			2.4	2	0.2964			24.7	6	<0.0001
Age × Mito × Nuc			10.0	4	0.0422			2.3	4	0.6766			36.4	12	<0.0001

Random effects	Variance (σ²)					Variance (σ²)					Variance (σ²)

Line	2.061 × 10⁻⁹					0.00					0.08
ID	2.066 × 10⁻⁹					0.40					1.08