PPV | Supplemental O2 | |||
---|---|---|---|---|
OR adj. | 95 % IC | OR adj. | 95 % IC | |
Source of payment of birth | ||||
Public | 1.00 | - | 1.00 | - |
Private | 0.78 | (0.56 - 1.07) | 0.96 | (0.73 – 1.26) |
Age in years | ||||
12–19 | 1.36 | (1.06 - 1.74) | 0.94 | (0.77 – 1.15) |
20–34 | 1.00 | - | 1.00 | - |
≥ 35 | 1.32 | (1.02 - 1.74) | 1.09 | (0.91 – 1.32) |
Years of schooling | ||||
≤ 7 | 0.91 | (0.57 - 1.44) | 0.96 | (0.66 – 1.39) |
8–10 | 0.95 | (0.60 - 1.49) | 1.01 | (0.72 – 1.41) |
11–14 | 1.06 | (0.68 - 1.64) | 1.06 | (0.80 – 1.4) |
≥ 15 | 1.00 | - | 1.00 | - |
Previous births | ||||
0 | 1.12 | (0.85 - 1.48) | 1.13 | (0.96 – 1.32) |
1–2 | 1.00 | - | 1.00 | - |
≥ 3 | 0.86 | (0.60 - 1.22) | 0.88 | (0.71 – 1.09) |
Fetal presentation | ||||
Cefalic | 1.00 | - | 1.00 | - |
Non-cefalic | 0.95 | (0.63 - 1.44) | 1.08 | (0.86 – 1.37) |
Type of pregnancy | ||||
Single | 1.00 | - | 1.00 | - |
Multiple | 1.22 | (0.47 - 3.13) | 1.36 | (0.76 – 2.41) |
Any obstetric risk | 1.59 | (1.30 - 1.94) | 1.34 | (1.17 – 1.53) |
Gestational age in weeks | ||||
34–36 | 2.46 | (1.79 - 3.39) | 1.96 | (1.57 – 2.45) |
37–38 | 0.90 | (0.74 - 1.10) | 0.94 | (0.83 – 1.06) |
39–41 | 1.00 | - | 1.00 | - |
42 or more | 1.85 | (0.55 - 6.25) | 1.08 | (0.56 – 2.1) |
Type of delivery | ||||
Vaginal (11,075) | 1.00 | - | 1.00 | - |
Prelabor C-section (10,331) | 1.04 | (0.79 - 1.39) | 0.69 | (0.56 – 0.84) |
Intrapartum C-section (1,314) | 1.32 | (0.95 - 1.84) | 1.11 | (0.88 – 1.41) |