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. Author manuscript; available in PMC: 2020 Oct 1.

Published in final edited form as: Biol Psychol. 2018 Nov 2;147:107614. doi: 10.1016/j.biopsycho.2018.10.016

Table 2.

Correlations among primary study variables

	1	2	3	4	5	6	7.	8.	9.	10.
1. Prenatal depressive symptoms	1.0
2. Prenatal economic hardship	.346^**	1.0
3. Prenatal negative life events	.332^**	.319^**	1.0
4. Mother’s birth country¹	−.089	.092	−182^**	1.0
5. Time of day (12 weeks)	−.085	.058	−.001	.066	1.0
6. Dyadic dysregulation²	.114	.037	.212^**	.041	.061	1.0
7. Infant cortisol AUCg	.052	.188^*	.104	−.015	−.225^**	.219^**	1.0
8. Maternal cortisol AUCg	.006	.035	−.044	−.022	−.539^**	−.048	.317^**	1.0
9. Infant cortisol reactivity³	.129	.101	.149^*	.086	.000	.275^**	.558^**	.040	1.0
10. Maternal cortisol reactivity³	.035	.072	.016	.067	.000	.002	.101	.304^**	.206^**	1.0
11. Postpartum depressive symptoms at 24 weeks	.394^**	.241^**	.140^*	−.057	−.042	.060	.200^**	.097	.109	.076

¹

Coded 0 = U.S., 1 = Mexico

²

Mean across all four tasks

³

Residualized change score from regression of pre-task cortisol on first post-task cortisol

^*

p < .05

^**

p < .01