Birth Outcomes of Infants by Age of Mother
Oregon Residents, 1998-2000

Linn County
  Total 10-17 <15 15 16 17 18 19 20+
Total Births   4,340 187 5 23 57 102 189 233 3,731
Birthweight 1499 Gr. or Less Total 34 1 0 0 0 1 5 2 26
    <28 Weeks 11 0 0 0 0 0 1 0 10
    28-36 Weeks 21 1 0 0 0 1 3 2 15
    37-41 Weeks 1 0 0 0 0 0 1 0 0
    Unknown 1 0 0 0 0 0 0 0 1
  1500-2499 Grams Total 178 9 0 3 3 3 14 7 148
    28-36 Weeks 87 4 0 1 0 3 5 2 76
    37-41 Weeks 71 5 0 2 3 0 9 3 54
    42+ Weeks 6 0 0 0 0 0 0 0 6
    Unknown 14 0 0 0 0 0 0 2 12
  2500+ Grams Total 4,128 177 5 20 54 98 170 224 3,557
    28-36 Weeks 153 9 0 1 3 5 2 9 133
    37-41 Weeks 2,961 103 2 14 30 57 120 144 2,594
    42+ Weeks 684 51 3 3 17 28 40 56 537
    Unknown 330 14 0 2 4 8 8 15 293
5 Minute Apgar 0-3   13 0 0 0 0 0 0 0 13
  4-6   61 4 0 2 0 2 4 2 51
  7-10   4,252 182 5 20 57 100 185 231 3,654
  Not Stated   14 1 0 1 0 0 0 0 13
Tobacco Used Yes   961 60 2 5 17 36 64 68 769
  No   3,355 124 3 18 39 64 123 161 2,947
  Unknown   24 3 0 0 1 2 2 4 15
Alcohol Used Yes   187 8 1 1 3 3 8 11 160
  No   4,112 175 4 21 53 97 176 219 3,542
  Unknown   41 4 0 1 1 2 5 3 29
Birth Order 1st   1,652 173 5 21 55 92 158 167 1,154
  2nd   1,440 14 0 2 2 10 29 58 1,339
  3rd   766 0 0 0 0 0 2 8 756
  4th   289 0 0 0 0 0 0 0 289
  5+   193 0 0 0 0 0 0 0 193
Prenatal Care No Care   22 4 0 2 0 2 0 3 15
  Little or Late   188 20 2 6 4 8 11 7 150
  Adequate   4,122 163 3 15 53 92 178 223 3,558
  Unknown   8 0 0 0 0 0 0 0 8