Preventive psychosocial and psychological interventions v usual antenatal, intranatal, or postnatal care for postpartum depression (PPD)*
| Weighted event rates | |||||
|---|---|---|---|---|---|
| Outcomes | Number of trials (n) | Intervention | Usual care | RRR (95% CI) | NNT (CI) |
| *EPDS = Edinburgh Postnatal Depression scale; other abbreviations defined in glossary. Weighted event rates, RRR, NNT, and CI calculated from data in article. Duration of follow up ranged from 3–24 weeks postpartum; all outcomes reported for final study assessment. | |||||
| †Calculated using a random effects model. Results for other outcomes based on a fixed effects model. | |||||
| ‡Outcome is PPD (variously defined). | |||||
| PPD (variously defined)† | 15 (7697) | 10% | 15% | 19% (−2 to 35) | — |
| PPD (EPDS score >12)† | 10 (6126) | 13% | 14% | 9% (−15 to 27) | — |
| Subgroup analyses (intervention characteristics)‡ | |||||
| Individually based | 11 (6642) | 10% | 15% | 24% (0 to 41) | 20 (10 to 100) |
| Home visits by professionals | 2 (1663) | 14% | 21% | 32% (16 to 45) | 15 (9 to 34) |
| Postnatal period only† | 10 (6379) | 9.4% | 15% | 24% (2 to 42) | 17 (10 to 100) |
| At risk women only | 7 (1162) | 12% | 18% | 33% (11 to 49) | 17 (10 to 50) |