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Comparison of maternal depressive symptoms by study group.
| Depressive symptomsa | Intervention group, mean (SD) | Historical comparison group, mean (SD) | P value |
| Baseline | 13.62 (4.75) | 13.46 (4.33) | .57 |
| Follow-upb | 6.08 (6.22) | 15.31 (5.01) | ≤.001 |
aDepressive symptoms were measured by home visitors using the Edinburgh Postnatal Depression Scale.
bThe follow-up period was about 6 months.
