Table 3.

Correlations Among Study Variables

Variable	1	2	3	4	5	6	7	8
1. Proportion of Time Partnered		.40**	.43**	.42**	−.09	−.28**	−.15**	.08
2. Maternal Age	.28**		.58**	.37**	.03	−.23**	−.13*	.06
3. Average Income-To-Needs Ratio	.32**	.40**		.36**	−.07	−.28**	−.20**	.10*
4. Pregnancy Planning	.28**	.19**	.32**		−.01	−.19**	−.10*	.02
5. Maternal Parenting Stress	−.17**	−.04	−.20**	−.18**		.51**	.13*	−.25**
6. Maternal Depressive Symptoms	−.29**	−.25**	−.30**	−.19**	.54**		.21**	−.12*
7. Negative Relationship Quality	−.13**	−.08	−.05	−.03	.11*	.18**		−.48**
8. Positive Relationship Quality	.04	.04	.04	−.00	−.10*	−.12*	−.49**

Note. The data above the diagonal is from the first-born sample (n = 373); data below the diagonal represents the later-born sample (n = 472).

^*p < .05.

^**p < .01.