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. Author manuscript; available in PMC: 2015 Jul 1.

Published in final edited form as: Biol Psychol. 2014 Apr 21;100:13–19. doi: 10.1016/j.biopsycho.2014.04.003

Table 3.

Bivariate correlations among independent variables

Independent Variable	1	2	3	4	5	6	7	8	9	10
1. Time 1 Age	1.00
2. Ethnicity (White 0, Non-white 1)	−.20^***	1.00
3. Income	.41^***	−.32^***	1.00
4. Education Level	.42^***	−.33^***	.50^***	1.00
5. Parity (Nulliparious 0)	.14^**	.21^***	−.06	−.15^**	1.00
6. General Medical Risk	.15^**	−.03	−.03	.01	.05	1.00
7. Historical Obstetric Risk	.21^***	.10^*	.01	.04	.22^***	.23^***	1.00
8. Current Obstetric Risk	−.02	.16^**	−.13^**	−.12^**	.10^*	.25^***	.25^***	1.00
9. Pregnancy Anxiety (PA)¹	−.07	.16^**	−.19^***	.05	−.20^***	.18^***	−.02	.09^†	1.00
10. State Anxiety¹	−.06	.12^*	−.24^***	−.13^**	−.01	.15^**	.12^*	.10^*	.57^***	1.00
11. Perceived Stress¹	−.03	.20^***	−.24^***	−.18^***	.07	.15^**	.11^*	.11^*	.45^***	.78^***

Note: N = 448

^***

p<.001

^**

p<.01

^*

p<.05

^†

p <.10

¹

Mean across all assessments (T1-T4)