Table 2.

Correlation matrix

	Matdep1	Patdep1	Matdep2	Patdep2	Matcon1	Patcon1	Matcon2	Patcon2	Emotion	Conduct	Total
Matdep1	1
Patdep1	0.25	1
Matdep2	0.50	0.17	1
Patdep2	0.22	0.56	0.28	1
Matcon1	0.28	0.17	0.24	0.15	1
Patcon1	0.20	0.25	0.15	0.21	0.65	1
Matcon2	0.28	0.19	0.38	0.24	0.67	0.51	1
Patcon2	0.18	0.26	0.24	0.37	0.48	0.64	0.64	1
Emotion	0.18	0.08	0.18	0.07	0.09	0.05	0.11	0.07	1
Conduct	0.15	0.07	0.18	0.07	0.16	0.11	0.17	0.10	0.24	1
Total	0.22	0.11	0.25	0.11	0.16	0.10	0.19	0.12	0.64	0.76	1

All of the above correlations are significant at P < 0.001.

Matdep1, maternal depression (antenatal); Patdep1, paternal depression (antenatal); Matdep2, maternal depression (postnatal); Patdep2, paternal depression (postnatal); Matcon1, antenatal marital conflict (maternal score); Patcon1, antenatal marital conflict (paternal score); Matcon2, postnatal marital conflict (maternal score); Patcon2, postnatal marital conflict (paternal score).