Table 1.
Baseline characteristics according to caseload midwifery and standard care
| Total n = 13,115 | Caseload Midwifery n = 2679 | Standard Care n = 10,436 | |||||
|---|---|---|---|---|---|---|---|
| % | % | n | % | n | |||
| Singleton births (n = 13,115) | 100 | 2679 | 100 | 10,436 | |||
| Births per year | |||||||
| 2013 | 32.1 | 36.5 | 978 | 31.0 | 3230 | ||
| 2014 | 33.2 | 33,4 | 896 | 33.1 | 3456 | ||
| 2015 | 34.7 | 30.0 | 805 | 35.9 | 3750 | ||
| Births per maternity unit: | |||||||
| Maternity unit A | 71.8 | 45.4 | 1217 | 76.3 | 7958 | ||
| Maternity unit B | 28.2 | 54.6 | 1462 | 23.7 | 2478 | ||
| Years school = < 9 years a | 25.4 | 30.7 | 263 | 24.2 | 958 | ||
| Professional education = < 3 years a | 34.4 | 40.7 | 349 | 33.0 | 1307 | ||
| Married | 42.5 | 45.5 | 1219 | 41.7 | 4350 | ||
| Living alone | 5.8 | 5.8 | 155 | 5.8 | 604 | ||
| Need of interpreter | 2.9 | 5.0 | 135 | 2.4 | 247 | ||
| Smoking in pregnancy | |||||||
| no | 89.5 | 88.0 | 2357 | 89.9 | 9386 | ||
| yes | 9.0 | 10.3 | 276 | 8.7 | 905 | ||
| ceased during pregnancy | 1.5 | 1.7 | 46 | 1.4 | 145 | ||
| Complicated pregnancyb | 22.7 | 23.1 | 618 | 22.7 | 2365 | ||
| Pre-pregnancy risks | 26.7 | 26.7 | 714 | 26.8 | 2793 | ||
| Parity 0 | 46.8 | 41.2 | 1104 | 48.2 | 5027 | ||
| Parity 1 | 36.5 | 36.3 | 973 | 36.6 | 3814 | ||
| Parity 2 | 12.2 | 15.7 | 420 | 11.3 | 1175 | ||
| Parity 3 | 3.2 | 4.7 | 125 | 2.9 | 300 | ||
| Parity > = 4 | 1.3 | 2.1 | 57 | 1.1 | 116 | ||
| Total mean | Mean | SD | n | Mean | SD | n | |
| Visits General Practitioner | 2.7 | 2.7 | 0.9 | 2610 | 2.7 | 0.8 | 10,107 |
| Visits Midwife | 5.0 | 5.1 | 1.6 | 2610 | 5.0 | 1.6 | 10,111 |
| Visits Obstetrician | 3.7 | 3.7 | 2.3 | 2608 | 3.8 | 2.3 | 10,110 |
| Mothers age (years) | 30.0 | 29.8 | 5.0 | 2679 | 30.0 | 5.0 | 10,436 |
| Mothers height (cm) | 167 | 167 | 6.6 | 2678 | 167 | 6.6 | 10,433 |
| Mother weight at hosp.(kg) | 84.2 | 85.9 | 17 | 1223 | 83.8 | 15.8 | 6300 |
| Prepregnancy BMI | 24.9 | 25.7 | 5.5 | 2678 | 24.7 | 5.2 | 10,430 |
| Gestational age(days) | 278 | 278 | 13.4 | 2679 | 278 | 14.6 | 10,432 |
| Infant length (cm) | 51.6 | 51.7 | 2.9 | 2654 | 51.6 | 3.0 | 10,393 |
| Infant weight (g) | 3500 | 3521 | 580 | 2673 | 3495 | 592 | 10,427 |
aData only available from 1 November 2014 to 31 January 2015 (n = 4815)
bcomplicated pregnancy included: malformations; alcohol or drug abuse; IVF; primiparous< 20; preeclampsia; hypertension; diabetes; premature contractions < 37 weeks of gestation; vaginal bleeding < 37 weeks of gestation; placental abnormalities; uterine abnormalities, and blood type incompatibilities (Rh, ABO, platelets, hydrops foetalis, and other kinds of blood type incompatibilities)