Table 6.

Estimated Parameters of Income and Education Genetic Interactions Models.

Parameter	9. Full.	10. a′i = a′P
a	2.39 (2.02, 2.76)	2.39 (2.01, 2.77)
c	2.09 (1.64, 2.53)	2.08 (1.63, 2.53)
e	0.96 (0.82, 1.10)	0.96 (0.82, 1.10)
i	0.47 (0.18, 0.76)	0.46 (0.17, 0.75)
p	0.80 (0.50, 1.10)	0.80 (0.50, 1.10)
σ2ip	0.19 (0.17, 0.22)	0.19 (0.17, 0.22)
a′i	0.13 (− 0.08, 0.34)	0.08 (− 0.04, 0.19)
a′P	0.03 (− 0.20, 0.26)	0.08 (− 0.04, 0.19)
−2LL	46622.31	46622.56
Δ −2LLdf	–	0.251
P	–	0.617

Note: Lower and upper bounds of 95% confidence intervals are in parentheses