Mode of delivery among women in the South Community Birth Program and matched controls receiving standard care
| Mode of delivery | Group; no. (%) of women | RR (95% CI) | |
|---|---|---|---|
| Birth program n = 1238 | Standard care n = 1238 | ||
| Spontaneous vaginal delivery | 784 (63.3) | 653 (52.7) | 1.25 (1.15–1.36) |
| Assisted vaginal delivery | 193 (15.6) | 198 (16.0) | 0.99 (0.88–1.09) |
| Vacuum | 79 (6.4) | 104 (8.4) | 0.85 (0.72–1.01) |
| Forceps | 114 (9.2) | 94 (7.6) | 1.11 (0.97–1.26) |
| Cesarean delivery | 261 (21.1) | 387 (31.3) | 0.76 (0.68–0.84) |
| Nulliparous (n = 830 per group) | 200 (24.1) | 269 (32.4) | 0.81 (0.72–0.91) |
| Multiparous (n = 408 per group) | 61 (15.0) | 118 (28.9) | 0.63 (0.50–0.78) |
| By primary caregiver | |||
| Midwife | |||
| Spontaneous vaginal delivery | 527 (66.5) | 98 (68.5) | 0.96 (0.90–1.03) |
| Assisted vaginal delivery | 108 (13.6) | 11 (7.7) | 1.08 (1.01–1.16) |
| Cesarean delivery | 157 (19.8) | 34 (23.8) | 0.96 (0.90–1.04) |
| Family physician | |||
| Spontaneous vaginal delivery | 255 (60.3) | 269 (59.0) | 1.03 (0.90–1.18) |
| Assisted vaginal delivery | 79 (18.7) | 80 (17.5) | 1.04 (0.87–1.24) |
| Cesarean delivery | 89 (21.0) | 107 (23.5) | 0.93 (0.78–1.10) |
| Obstetrician | |||
| Spontaneous vaginal delivery | 2 (8.7) | 286 (44.8) | 0.12 (0.02–0.52) |
| Assisted vaginal delivery | 6 (26.1) | 107 (16.7) | 1.71 (0.69–4.25) |
| Cesarean delivery | 15 (65.2) | 246 (38.5) | 2.88 (1.23–6.70) |
| Previous cesarean delivery | n = 75 | n = 105 | |
| Attempted vaginal birth | 48 (64.0) | 16 (15.2) | 3.22 (2.25–4.62) |
| Successful vaginal birth* | 33 (68.8) | 11 (68.8) | 1.00 (0.74–1.36) |
Note: CI = confidence interval, RR = relative risk.
↵* Among women who attempted vaginal birth.