|
Characteristics
|
OR* multivariable
|
OR* multivariable
|
| |
(95% CI
#
)
|
(95% CI
#
)
|
|
referral
| | | | |
|
- before the onset of labour (reference)
|
1.00
|
1.00
|
1.00
|
1.00
|
|
- during labour
|
1.23 (1.18-1.28)
|
1.02 (0.99-1.05)
|
1.54 (1.48-1.60)
|
1.12 (1.08-1.16)
|
|
process of birth
| | | | |
|
- spontaneous, no induction, no augmentation (reference)
|
1.00
|
1.00
|
1.00
|
1.00
|
|
- induction
|
0.74 (0.70-0.77)
|
0.78 (0.75-0.81)
|
0.78 (0.75-0.81)
|
0.83 (0.80-0.86)
|
|
- augmentation
|
0.81 (0.77-0.84)
|
0.80 (0.77-0.82)
|
0.79 (0.76-0.83)
|
0.79 (0.76-0.82)
|
|
- vacuum/forceps/CS
|
0.01 (0.01-0.02)
|
0.03 (0.03-0.03)
|
0.01 (0.01-0.01)
|
0.01 (0.01-0.01)
|
|
time of birth
| | | | |
|
- weekday 8.00-20.00 (reference)
|
1.00
|
1.00
|
1.00
|
1.00
|
|
- evening, night of weekend
|
0.83 (0.80-0.86)
|
0.71 (0.70-0.73)
|
0.82 (0.80-0.85)
|
0.75 (0.73-0.77)
|
|
Maternal age
| | | | |
|
- < 25
|
1.03 (0.98-1.07)
|
1.05 (1.02-1.08)
|
0.97 (0.91-1.03)
|
1.02 (0.97-1.08)
|
|
- 25-< 35 (reference)
|
1.00
|
1.00
|
1.00
|
1.00
|
|
- ≥ 35
|
0.96 (0.91-1.03)
|
0.93 (0.89-0.97)
|
0.99 (0.95-1.02)
|
0.95 (0.92-0.98)
|
|
Ethnicity
| | | | |
|
- western (reference)
|
1.00
|
1.00
|
1.00
|
1.00
|
|
- non-Western
|
1.16 (1.10-1.22)
|
1.07 (1.03-1.11)
|
1.23 (1.19-1.28)
|
1.04 (1.01-1.08)
|
|
Gestational age
| | | | |
|
- < 32 weeks
|
0.24 (0.21-0.28)
|
0.20 (0.18-0.22)
|
0.24 (0.21-0.28)
|
0.24 (0.21-0.27)
|
|
- 32-< 37 weeks
|
0.59 (0.55-0.62)
|
0.63 (0.61-0.66)
|
0.57 (0.54-0.61)
|
0.61 (0.58-0.64)
|
|
- 37-< 42 weeks (reference)
|
1.00
|
1.00
|
1.00
|
1.00
|
|
- ≥ 42 weeks
|
1.12 (1.04-1.19)
|
1.19 (1.13-1.25)
|
1.12 (1.06-1.19)
|
1.21 (1.15-1.27)
|
|
Type of hospital
| | | | |
|
- academic
|
8.62 (8.01-9.28)
|
2,12 (2,02-2,21)
|
8,80 (8.46-9.52)
|
3.29 (3.16-3.43)
|
|
- teaching (reference)
|
1.00
|
1.00
|
1.00
|
1.00
|
|
- non-teaching
|
8.21 (8.02-9.28)
|
3.50 (3.41-3.60)
|
7.55 (7.18-7.94)
|
4.09 (3.97-4.21)
|
