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Table 3 Logistic regression analysis for PPV and supplemental O2 in the delivery room in newborns with ≥ 34 weeks/gestation

From: Factors associated with the use of supplemental oxygen or positive pressure ventilation in the delivery room, in infants born with a gestational age ≥ 34 weeks

  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)