Birth Outcomes of Infants by Age of Mother
Oregon Residents, 1997-1999

LINN COUNTY
      Total 10-17 <15 15 16 17 18 19 20+
Total Births     4,369 205 8 24 60 113 200 258 3,706
Birthweight 1499 Gr. or Less Total 40 1 0 0 0 1 4 1 34
    <28 Weeks 15 0 0 0 0 0 1 0 14
    28-36 Weeks 22 1 0 0 0 1 2 1 18
    37-41 Weeks 1 0 0 0 0 0 1 0 0
    Unknown 2 0 0 0 0 0 0 0 2
  1500-2499 Grams Total 182 10 0 3 4 3 15 11 146
    28-36 Weeks 97 4 0 1 0 3 6 7 80
    37-41 Weeks 77 6 0 2 4 0 9 3 59
    42+ Weeks 4 0 0 0 0 0 0 0 4
    Unknown 4 0 0 0 0 0 0 1 3
  2500+ Grams Total 4,147 194 8 21 56 109 181 246 3,526
    28-36 Weeks 162 14 0 1 5 8 5 11 132
    37-41 Weeks 3,186 119 5 13 34 67 134 177 2,756
    42+ Weeks 628 52 3 5 16 28 33 45 498
    Unknown 171 9 0 2 1 6 9 13 140
5 Minute Apgar 0-3   11 0 0 0 0 0 0 0 11
  4-6   58 2 0 1 0 1 4 3 49
  7-10   4,285 203 8 23 60 112 196 255 3,631
  Not Stated   15 0 0 0 0 0 0 0 15
Tobacco Used Yes   983 63 2 6 17 38 67 79 774
  No   3,365 138 6 18 42 72 131 176 2,920
  Unknown   21 4 0 0 1 3 2 3 12
Alcohol Used Yes   169 13 1 1 5 6 5 6 145
  No   4,166 187 7 22 54 104 191 249 3,539
  Unknown   34 5 0 1 1 3 4 3 22
Birth Order 1st   1,688 190 8 22 58 102 161 185 1,152
  2nd   1,442 15 0 2 2 11 37 64 1,326
  3rd   737 0 0 0 0 0 2 8 727
  4th   294 0 0 0 0 0 0 1 293
  5+   207 0 0 0 0 0 0 0 207
  Unknown   1 0 0 0 0 0 0 0 1
Prenatal Care No Care   18 4 0 1 0 3 0 2 12
  Little or Late   208 22 2 5 5 10 8 7 171
  Adequate   4,137 179 6 18 55 100 192 249 3,517
  Unknown   6 0 0 0 0 0 0 0 6