Table 1 Characteristics and outcome of women in primary care at the onset of labour; intention-to-treat-like approacha
Variable | Planned home birth | Planned hospital birth | Planned place unknown | |||
|---|---|---|---|---|---|---|
n | % | n | % | n | % | |
402,912 | 59% | 219,105 | 32% | 57,935 | 9% | |
Parity** | ||||||
Primiparous | 171,986 | 42,7% | 104,249 | 47,6% | 26,254 | 45,3% |
Multiparous (REF) | 230,926 | 57,3% | 114,856 | 52,4% | 31,681 | 54,7% |
Maternal Age** | ||||||
< 19 years | 4036 | 1,0% | 6713 | 3,1% | 1190 | 2,1% |
20–25 years | 34,661 | 8,6% | 32,617 | 14,9% | 6823 | 11,8% |
25–34 years (REF) | 296,128 | 73,5% | 142,597 | 65,1% | 39,526 | 68,2% |
> 35 years | 68,087 | 16,9% | 37,178 | 17,0% | 10,396 | 17,9% |
Ethnic background** | ||||||
Dutch (REF) | 370,647 | 92,0% | 153,572 | 70,1% | 46,966 | 81,1% |
Non Dutch | 32,265 | 8,0% | 65,533 | 29,9% | 10,969 | 18,9% |
Neighbourhood** | ||||||
Privileged neighbourhood (REF) | 388,089 | 96,3% | 196,659 | 89,8% | 53,823 | 92,9% |
Underprivileged neighbourhood | 14,823 | 3,7% | 22,446 | 10,2% | 4112 | 7,1% |
Gestational Age** | ||||||
< 34wk | 2396 | 0,6% | 1658 | 0,8% | 567 | 1,0% |
35-36wk | 6510 | 1,6% | 4064 | 1,9% | 1206 | 2,1% |
37wk | 15,203 | 3,8% | 9603 | 4,4% | 2497 | 4,3% |
38-41wk (REF) | 372,787 | 92,5% | 200,872 | 91,7% | 52,899 | 91,3% |
> 41 wk | 6016 | 1,5% | 2908 | 1,3% | 766 | 1,3% |
Big4** | ||||||
SGA | 28,029 | 7,0% | 18,288 | 8,3% | 4364 | 7,5% |
Prematurity | 8056 | 2,0% | 5194 | 2,4% | 1583 | 2,7% |
Low apgar | 1642 | 0,4% | 1171 | 0,5% | 290 | 0,5% |
Congenital abnomality | 4711 | 1,2% | 2826 | 1,3% | 759 | 1,3% |
Combination Big4 | 1895 | 0,5% | 1326 | 0,6% | 373 | 0,6% |
No Big4 | 358,579 | 89,0% | 190,300 | 86,9% | 50,566 | 87,3% |
Time of delivery** | ||||||
Day 8.00–18.00 (REF) | 167,345 | 41,5% | 96,033 | 43,8% | 24,674 | 42,6% |
Night 18.00–8.00 | 235,567 | 58,5% | 123,072 | 56,2% | 33,261 | 57,4% |
Day of delivery** | ||||||
Weekend | 109,761 | 27,2% | 59,976 | 27,4% | 15,553 | 26,8% |
Week day (REF) | 293,151 | 72,8% | 159,129 | 72,6% | 42,382 | 73,2% |
Interventions** | ||||||
Vacuum extraction/forceps | 32,481 | 8,1% | 20,404 | 9,3% | 4630 | 8,0% |
Section cesarean | 11,285 | 2,8% | 9731 | 4,4% | 2412 | 4,2% |
No vacuum/forceps or section cesarean | 359,146 | 89,1% | 188,970 | 86,2% | 50,893 | 87,8% |
Intrapartum & early neonatal death (7 days)** | ||||||
No | 402,266 | 99,8% | 218,672 | 99,8% | 57,826 | 99,8% |
Yes | 594 | 0,15% | 403 | 0,18% | 102 | 0,18% |