|
Total (N=11,501)
| |
Crude Odds Ratio
|
95% CI
|
Adjusted Odds Ratio
|
95% CI
|
|---|
|
Neonatal
|
Maternal Age
|
|---|
|
Low birthweight (<2500 grams)
|
10-19
|
1.52**
|
(1.27, 1.84)
|
1.36**
|
(1.12, 1.66)
|
|
20-24
|
1.00 (ref)
|
-
|
1.00 (ref)
|
-
|
|
25-34
|
1.06
|
(0.91, 1.24)
|
1.26*
|
(1.05, 1.51)
|
|
35+
|
1.18
|
(0.94, 1.49)
|
1.61**
|
(1.18, 2.20)
|
|
Preterm birth
|
10-19
|
1.53**
|
(1.18, 1.98)
|
1.40*
|
(1.06, 1.84)
|
|
20-24
|
1.00 (ref)
|
-
|
1.00 (ref)
|
-
|
|
25-34
|
1.27*
|
(1.03, 1.56)
|
1.44**
|
(1.12, 1.85)
|
|
35+
|
1.49*
|
(1.10, 2.02)
|
1.80**
|
(1.20, 2.71)
|
|
Resuscitation needed at birth
|
10-19
|
0.74*
|
(0.57, 0.95)
|
0.71*
|
(0.54, 0.92)
|
|
20-24
|
1.00 (ref)
|
-
|
1.00 (ref)
|
-
|
|
25-34
|
0.95
|
(0.80, 1.14)
|
0.92
|
(0.74, 1.14)
|
|
35+
|
0.70*
|
(0.51, 0.96)
|
0.62*
|
(0.41, 0.93)
|
|
Stillbirth
|
10-19
|
1.32
|
(0.81, 2.14)
|
1.22
|
(0.74, 2.02)
|
|
20-24
|
1.00 (ref)
|
-
|
1.00 (ref)
|
-
|
|
25-34
|
1.19
|
(0.81, 1.75)
|
1.40
|
(0.90, 2.19)
|
|
35+
|
1.71
|
(1.01, 2.88)
|
2.35*
|
(1.15, 4.78)
|
|
Death in first 7 days after birth
|
10-19
|
0.98
|
(0.56, 1.70)
|
1.04
|
(0.59, 1.87)
|
|
20-24
|
1.00 (ref)
|
-
|
1.00 (ref)
|
-
|
|
25-34
|
0.97
|
(0.64, 1.47)
|
0.84
|
(0.51, 1.39)
|
|
35+
|
1.13
|
(0.60, 2.12)
|
0.80
|
(0.34, 1.87)
|
|
Death in first 28 days after birth
|
10-19
|
0.85
|
(0.50, 1.44)
|
0.90
|
(0.52, 1.57)
|
|
20-24
|
1.00 (ref)
|
-
|
1.00 (ref)
|
-
|
|
25-34
|
0.96
|
(0.66, 1.40)
|
0.84
|
(0.53, 1.32)
|
|
35+
|
1.2
|
(0.70, 2.12)
|
0.88
|
(0.41, 1.89)
|
|
Any adverse neonatal outcomesa
|
10-19
|
1.08
|
(0.92, 1.26)
|
0.99
|
(0.84, 1.16)
|
|
20-24
|
1.00 (ref)
|
-
|
1.00 (ref)
|
-
|
|
25-34
|
1
|
(0.89, 1.13)
|
1.09
|
(0.94, 1.26)
|
|
35+
|
0.97
|
(0.80, 1.17)
|
1.10
|
(0.85, 1.41)
|
- a Occurrence of any one of the following adverse neonatal outcomes: low birthweight, pre-term birth, resuscitation needed after birth, miscarriage, stillbirth, death in the first 7 days after birth, death in first 28 days after birth *p<0.05, **p<0.01
