| |
Age groups
|
|---|
| |
All teenagers
|
< 16 years
|
16-17 years
|
18-19 years
|
|---|
|
Characteristic
|
Crude
|
Adjusted†
|
Crude
|
Adjusted†
|
Crude
|
Adjusted†
|
Crude
|
Adjusted†
|
|---|
|
Fetal distress
|
0.98 (0.81-1.20)
|
0.70 (0.57-0.85)
|
N/A
|
N/A
|
0.79 (0.47-1.32)
|
0.59 (0.36-0.99)
|
1.05 (0.85-1.30)
|
0.73 (0.59-0.91)
|
|
Aspiration of meconium
|
0.61 (0.42-0.90)
|
0.48 (0.33-0.72)
|
N/A
|
N/A
|
0.26 (0.06-1.03)
|
0.20 (0.05-0.82)
|
0.71 (0.47-1.06)
|
0.56 (0.37-0.84)
|
|
Shoulder dystocia
|
0.58 (0.46-0.74)
|
0.54 (0.42-0.69)
|
0.54 (0.08-3.84)
|
0.47 (0.07-3.38)
|
0.66 (0.39-1.12)
|
0.63 (0.37-1.07)
|
0.56 (0.43-0.74)
|
0.52 (0.40-0.69)
|
|
Stillbirth
|
1.09 (0.88-1.35)
|
1.07 (0.86-1.33)
|
0.77 (0.11-5.50)
|
0.82 (0.12-5.84)
|
1.50 (0.98-2.28)
|
1.50 (0.98-2.29)
|
1.01 (0.79-1.29)
|
0.98 (0.76-1.25)
|
|
SGA
|
1.58 (1.48-1.68)
|
1.07 (0.99-1.14)
|
1.82 (1.15-2.88)
|
1.30 (0.82-2.06)
|
1.49 (1.29-1.74)
|
0.96 (0.82-1.11)
|
1.60 (1.49-1.71)
|
1.09 (1.01-1.17)
|
|
LGA
|
0.56 (0.52-0.61)
|
0.85 (0.78-0.93)
|
0.20 (0.06-0.61)
|
0.32 (0.10-0.99)
|
0.51 (0.41-0.63)
|
0.83 (0.67-1.03)
|
0.58 (0.53-0.64)
|
0.86 (0.78-0.95)
|
|
Apgar score at 5 minutes < 7
|
1.17 (1.05-1.30)
|
1.00 (0.90-1.12)
|
1.64 (0.82-3.31)
|
1.27 (0.60-2.68)
|
1.22 (0.96-1.55)
|
1.06 (0.83-1.36)
|
1.15 (1.02-1.29)
|
0.99 (0.87-1.11)
|
- Figures denote odds ratios and 95% confidence intervals. Reference group: Maternal age 20-30 years.
- LGA = Large for gestational age; N/A = not applicable; SGA = Small for gestational age.
-
† Adjusted for BMI and smoking habits at first antenatal care visit, parity and year of delivery.
