TABLE 2.

Variable descriptives and correlations

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16
1. Infant sex (54% female)
2. Infant gest. age	0.04
3. Infant RSA, 6 weeks	−0.02	−.01
4. Infant RSA, 12 weeks	0.08	−.07	.30**
5. Infant RSA, 18 weeks	−.13	−.10	.21”	.30**
6. Infant RSA, 24 weeks	−.13	−.01	.24”	.30**	.51**
7. Infant RSA, 12 months	.01	.04	.15	.37**	.31**	.38**
8. Infant RSA, 18 months	.05	.07	.14	.06	.13	.37**	.49**
9. Infant RSA, 24 months	.03	.01	−.01	.07	.19*	−.13	.05	.04
10. Infant HR, 6 weeks	−.08	.01	−.50**	.01	.08	−.15	.11	−.05	.01
11. Infant HR, 12 weeks	−.10	−.03	−.18*	−.73**	−.06	−.17	−.28*	−.04	−.09	.11
12. Infant HR 18 weeks	.04	.12	−.08	−.01	−.62**	−.13	−.10	−.11	−.11	.13	.17
13. Infant HR, 24 weeks	.06	−.08	−.10	−.03	−.26*	−.55**	−.10	−.18	.11	.13	.17	.20
14. Infant HR, 12 months	.02	−.03	−.08	−.23	−.17	−.17	−.73**	−.13	.04	−.11	.24*	.28**	.18
15. Infant HR, 18 months	.02	−.15	−.01	−.07	.11	−.20*	−.40*	−.62**	−.06	−.03	.26*	−.01	.30**	.36**
16. Infant HR, 24 months	.14	.05	−.02	.07	−.09	−.35**	−.08	−.16	−.21*	.03	.12	−.03	.25*	.07	.14	1.0
Mean / (SD)		39.34 (1.17)	2.50 (0.97)	2.81 (1.00)	2.86 (0.94)	3.10 (0.85)	3.66 (0.95)	4.25 (0.98)	6.23 (1.12)	157.5 (17.2)	150.6 (17.9)	153.2 (16.0)	146.7 (12.1)	132.3 (2.09)	124.2 (11.9)	116.1 (13.4)

“HR” = heart rate; “Gest. age” = gestational age.

^*p < .05.

^**p<.01.