TABLE 2.

Infant Mortality by Neonatal and Pregnancy Characteristics

Total No. of Births nInfant MortalityOR (95% CI)
n(%)UnadjustedAdjusted*
Hospital type
 University hospitals924131(14.2)1.001.00
 General hospitals1320136(10.3)0.70 (0.54–0.90)1.33 (0.88–2.02)
 Data missing90(0.0)
Gestational age (weeks)
 248145(55.6)23.96 (13.48–42.62)41.48 (18.23–94.38)
 2515254(35.5)10.78 (6.54–17.79)16.67 (8.78–31.62)
 2615631(19.9)4.75 (2.76–8.18)6.12 (2.87–13.03)
 2722230(13.5)3.01 (1.76–5.15)3.46 (1.89–6.35)
 2826726(9.7)2.08 (1.20–3.62)2.46 (1.37–4.41)
 2936825(6.8)1.40 (0.81–2.44)1.42 (0.75–2.67)
 3042227(6.4)1.32 (0.77–2.26)1.41 (0.73–2.74)
 3158529(5.0)1.001.00
Birth weight for gestational age
 Large for gestational age2712(44.4)7.54 (3.46–16.43)10.90 (3.18–37.38)
 Appropriate for gestational age1486142(9.6)1.001.00
 Small for gestational age67499(14.7)1.63 (1.24–2.16)3.08 (1.94–4.89)
 Data missing6614(21.2)
Infant gender
 Male1238163(13.2)1.33 (1.02–1.73)1.64 (1.13–2.38)
 Female1014104(10.3)1.001.00
 Data missing10
Mode of delivery
 Vaginal delivery808102(12.6)1.001.00
 Cesarean section1445165(11.4)0.89 (0.68–1.16)1.29 (0.81–2.04)
Presentation
 Breech56983(14.6)1.38 (1.05–1.83)1.04 (0.72–1.49)
 Vertex/unspecified1684184(10.9)1.001.00
Placental complications
 Previa/abruptio/antepartum hemorrhage32939(11.8)1.00 (0.69–1.43)0.77 (0.52–1.15)
 No complication1924228(11.8)1.001.00
Hypertensive illness
 Preeclampsia64560(9.3)0.70 (0.52–0.95)0.53 (0.35–0.80)
 Other hypertensive disease6610(15.2)1.23 (0.62–2.47)1.27 (0.63–2.58)
 Normal blood pressure1542197(12.8)1.001.00
Diabetes
 Pregestational diabetes363(8.3)0.67 (0.20–2.19)
 Gestational diabetes232(8.7)0.70 (0.16–3.00)
 No diabetes2194262(11.9)1.00
Other maternal diseases
 Chronic disease495(10.2)0.84 (0.33–2.13)
 No chronic disease2204262(11.9)1.00
  • * Adjusted for the other variables included in the table.

  • Reference group.

  • Not included in the multivariate model.