Table 1.

Pairwise correlations between all phenotypes.

Measure, child age	1.	2.	3.	4.	5.	6.	7.	8.	9.	10.	11.	12.	13.
1. Vocabulary, 15 months	1
2. Vocabulary, 24 months	.59***	1
3. Receptive, 15 months	.61***	.41 ***	1
4. Grammar, 24 months	.47***	.74***	.28***	1
5. Receptive language, 8 years	.04*	.11***	.00	.09***	1
6. Expressive language, 8 years	.10***	.21***	.03*	.19***	.37***	1
7. Nonword repetition, 8 years	.13***	.30***	.06***	.26***	.20***	.30***	1
8. Pragmatic language, 9 years	.08***	.17***	.05***	.14***	.10***	.15***	.16***	1
9. Emotional problems, 11 years	.02	.01	.00	.01	−.06**	−.03*	−.02	−.22***	1
10. Peer problems, 11 years	−.05**	−.10***	−.07***	−.07***	.01	.00	−.04**	−.30***	.35***	1
11. Conduct problems, 11 years	−.01	−.04*	−.03	−.02	−.06***	−.08***	−.07***	−.30***	.29***	.25***	1
12. Hyperactivity, 11 years	−.11***	−.15***	−.07***	−.12***	−.08***	−.12***	−.11***	−.44***	.25***	.23***	.47***	1
13. Prosociality, 11 years	.09***	.07***	.13***	.05***	−.02	−.02	−.03*	.16***	−.10***	−.20***	−.41***	−.32***	1

^* p < .05.

^** p < .01.

^*** p < .001.