Table 5. Model fit and unstandardised path estimates (SE) for models from Figure 1.

Model	Endophenotype	Additive Risks	Pleiotropy	Neuroplasticity
χ2	55.1	51.7	53.5	48.0
d.f.	44	44	44	44
P	.121	.197	.150	.312
AIC	−32.9	−36.3	−34.5	−40.0
CFI:	.994	.995	.995	.996
RMSEA:	.102	.094	.098	.084
Change in fit relative to saturated model
χ2	7.38	3.99	5.75	0.29
d.f.	1	1	1	1
P	.006	.046	.017	.590
Paths between latent variables
Fam->Aud	0.40 (0.19)	–	0.42 (0.19)	–
Fam->Lang	–	0.53 (0.19)	0.65 (0.20)	0.60 (0.19)
Aud->Lang	0.55 (0.17)	0.48 (0.19)	–	–
Lang->Aud	–	–	–	0.47 (0.16)
Paths from Child Language
TROG	0.36 (0.10)	0.33 (0.09)	0.35 (0.10)	0.36 (0.10)
Nonword repetition	0.83 (0.12)	0.75 (0.11)	0.79 (0.12)	0.82 (0.12)
Nonword reading	0.87 (0.12)	0.82 (0.11)	0.88 (0.12)	0.89 (0.12)
Oromotor	0.76 (0.13)	0.69 (0.11)	0.72 (0.13)	0.74 (0.13)
Paths from Parent Language
TROG	0.40 (0.13)	0.43 (0.13)	0.41 (0.13)	0.43 (0.13)
Nonword repetition	0.98 (0.15)	0.96 (0.16)	0.94 (0.15)	0.96 (0.15)
Nonword reading	0.98 (0.15)	1.04 (0.15)	0.97 (0.15)	1.02 (0.15)
Oromotor	0.85 (0.14)	0.79 (0.13)	0.86 (0.14)	0.82 (0.14)
Paths from Auditory (constrained to be equal)
Tone T8	1.06 (0.13)	1.15 (0.13)	1.06 (0.13)	1.00 (0.13)
Syllable T7	1.06 (0.13)	1.15 (0.13)	1.06 (0.13)	1.00 (0.13)
Syllable T8	1.06 (0.13)	1.15 (0.13)	1.06 (0.13)	1.00 (0.13)