Table 6. Genetic and environmental parameter estimates for IQ moderated by SES - full continuous moderator model.
Parameters | Age | ||||||||
2 | 3 | 4 | 7 | 9 | 10 | 12 | 14 | ||
SES index 1 | a | 0.52 | 0.45 | 0.54 | 0.60 | 0.60 | 0.67 | 0.69 | 0.67 |
c | 0.78 | 0.84 | 0.74 | 0.46 | 0.57 | 0.47 | 0.30 | 0.01 | |
e | 0.31 | 0.23 | 0.35 | 0.57 | 0.48 | 0.51 | 0.56 | 0.61 | |
SES index 1 moderation of the | βA | 0.01 | 0.00 | −0.03 | 0.03 | 0.01 | −0.10 | 0.02 | −0.01 |
genetic and environmental | βC | −0.04 | 0.01 | −0.03 | −0.04 | −0.06 | 0.05 | −0.05 | 0.19 |
components of IQ | βE | −0.01 | 0.00 | 0.01 | −0.01 | 0.00 | 0.02 | −0.01 | 0.00 |
βM | 0.09 | 0.17 | 0.17 | 0.31 | 0.29 | 0.24 | 0.32 | 0.37 | |
SES index 2 | a | 0.59 | 0.56 | 0.66 | 0.71 | 0.66 | |||
c | 0.47 | 0.60 | 0.49 | 0.24 | 0.17 | ||||
e | 0.57 | 0.49 | 0.50 | 0.56 | 0.62 | ||||
SES index 2 moderation of the | βA | 0.04 | 0.01 | −0.01 | 0.01 | −0.07 | |||
genetic and environmental | βC | −0.06 | −0.06 | −0.05 | −0.09 | 0.13 | |||
components of IQ | βE | 0.00 | 0.00 | 0.00 | −0.01 | 0.02 | |||
βM | 0.28 | 0.24 | 0.21 | 0.31 | 0.32 | ||||
SES index 3 | a | 0.59 | 0.66 | 0.76 | 0.70 | ||||
c | 0.60 | 0.50 | 0.16 | 0.20 | |||||
e | 0.48 | 0.51 | 0.55 | 0.61 | |||||
SES index 3 moderation of the | βA | −0.01 | −0.04 | −0.02 | 0.05 | ||||
genetic and environmental | βC | −0.05 | −0.04 | −0.16 | −0.16 | ||||
components of IQ | βE | 0.00 | 0.01 | 0.00 | −0.03 | ||||
βM | 0.23 | 0.17 | 0.25 | 0.29 |