Table IV.
Heritability estimates (H2) and corresponding p values for behavioral and cognitive quantitative traits. Factors = factor sum scores (transformed using an inverse normal transformation).
| Phenotype | H2 (SE) | p-value | |
|---|---|---|---|
| Factor 1 | Verbal IQ2 | 0.92 (0.18) | 0.00002 |
| Factor 2 | Internalizing symptoms1 | 0.63 (0.17) | 0.0004 |
| Factor 3 | Externalizing symptoms1,2 | 0.83 (0.16) | 0.000002 |
| Factor 4 | IPS and visual problem solving1 | 0.85 (0.18) | 0.00003 |
| Factor 5 | Visual spatial ability1 | 0.66 (0.24) | 0.006 |
| Factor 6 | Visual sustained attention1 | 0.45 (0.22) | 0.02 |
| Factor 7 | Impulsivity/ perseveration1 | 0.17 (0.26) | NS |
| DS | Auditory attention1,2 | 0.90 (0.18) | 0.000002 |
| TMT | Cognitive set shifting | 0.07 (0.25) | NS |
| SWAN | SWAN total score2 | 0.66 (0.19) | 0.0005 |
IPS = information processing speed. NS = not significant.
1
age is a significant covariate.
2
gender is a significant covariate.