Description of selected maternal and birth characteristics for the midwife cohort and the county
| Characteristic | Midwife cohort (n=1474) Number (%) | Total county experience2-150 (n=39 749) Number (%) |
| Low birth weight | ||
| <2500 g | 61 (4.1) | 2 743 (6.9) |
| <1500 g | 9 (0.6) | 556 (1.4) |
| Caesarean section (n=1473) | 330 (22.4) | 10 187 (26.6) |
| Initiated prenatal care | (n=1423) | (n=35 881) |
| First | 527 (37.0) | 27 515 (76.7) |
| Second | 683 (48.0) | 6 436 (17.9) |
| Third | 213 (15.0) | 1 930 (5.4) |
| Parity | (n=39 528) | |
| First | 735 (49.9) | 17 609 (43.8) |
| Second | 438 (29.7) | 13 263 (34.0) |
| Third | 196 (13.3) | 5 752 (14.8) |
| Fourth | 105 (7.1) | 2 904 (7.5) |
| Maternal age | (n=38 988) | |
| 15–19 | 195 (13.3) | 2 047 (5.3) |
| 20–25 | 476 (32.4) | 5 005 (12.8) |
| 25–29 | 397 (26.9) | 10 586 (27.2) |
| 30–34 | 277 (18.8) | 13 549 (34.8) |
| 35–39 | 109 (7.4) | 6 687 (17.2) |
| 40–44 | 20 (1.4) | 1 114 (2.9) |
↵2-150 Total live births in county.