Skip to main content

Table 1 Characteristics of Missouri women with singleton live births, 1997–1999, by maternal age.

From: Socioeconomic factors and adolescent pregnancy outcomes: distinctions between neonatal and post-neonatal deaths?

   12 to 17 (N = 10,131) 18 to 19 (N = 18,954) 20–35 (N = 28,899)
Characteristic N % N % N %
Infant mortality 121 1.2 158 0.8 173 0.6
Neonatal mortality 69 0.7 92 0.5 111 0.4
Post-neonatal mortality 52 0.5 65 0.3 60 0.2
Clinical Estimate of Gestational Age <24 Weeks 40 0.4 50 0.3 59 0.2
  24–28 weeks 102 1.0 110 0.6 139 0.5
  29–32 weeks 161 1.6 252 1.3 260 0.9
  33–36 weeks 808 8.0 1,318 7.0 1,739 6.0
  >36 weeks 8,961 89.0 17,109 90.8 26,571 92.4
Birth Weight Category Normal (> 2500 gm) 9,114 90.0 17,358 91.6 27,207 94.1
  Low (≤ 2500 gm) 1,017 10.0 1,596 8.4 1,692 5.9
Maternal Race Missing/other 137 1.4 256 1.4 635 2.2
  Non-Hispanic white 6,688 66.0 14,234 75.1 24,288 84.0
  Non-Hispanic black 3,306 32.6 4,464 23.6 3,976 13.8
Age appropriate education level 8,592 86.1 12,516 66.0 25,086 86.8
Medicaid 7,698 77.1 14,983 80.4 10,070 35.4
W.I.C. 7,761 77.8 14,085 75.6 10,412 36.7
Food Stamp Program 2,060 20.7 5,351 28.7 4,729 16.7
Parity nulliparous 8,660 85.5 12,375 65.3 8,382 29.0
Unmarried 9,140 90.3 14,064 74.3 7,986 27.7
Tobacco use During Pregnancy 2,486 24.7 5,425 28.7 5,262 18.3
Alcohol use during pregnancy 61 0.6 90 0.5 268 0.9
Kotelchuck index Unknown 487 4.8 747 3.9 805 2.8
  Inadequate 2,101 20.7 2,789 14.7 2,037 7.0
  Adequate/Intermediate 5,273 52.0 11,121 58.7 18,832 65.2
  Adequate Plus 2,270 22.4 4,297 22.7 7,225 25.0
  1. p ≤ 0.001 for all comparisons