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

Klamath County
  Total 10-17 <15 15 16 17 18 19 20+
Total Births   2,498 154 5 22 49 78 109 168 2,067
Birthweight 1499 Gr. or Less Total 15 2 0 0 2 0 0 2 11
    <28 Weeks 4 1 0 0 1 0 0 0 3
    28-36 Weeks 6 1 0 0 1 0 0 1 4
    Unknown 5 0 0 0 0 0 0 1 4
  1500-2499 Grams Total 110 5 0 1 1 3 3 9 93
    28-36 Weeks 35 2 0 0 0 2 2 4 27
    37-41 Weeks 50 3 0 1 1 1 1 2 44
    42+ Weeks 6 0 0 0 0 0 0 0 6
    Unknown 19 0 0 0 0 0 0 3 16
  2500+ Grams Total 2,373 147 5 21 46 75 106 157 1,963
    <28 Weeks 2 0 0 0 0 0 0 0 2
    28-36 Weeks 82 9 0 3 2 4 6 4 63
    37-41 Weeks 1,633 86 2 10 26 48 66 107 1,374
    42+ Weeks 424 31 2 4 11 14 25 33 335
    Unknown 232 21 1 4 7 9 9 13 189
5 Minute Apgar 0-3   13 1 0 0 1 0 0 0 12
  4-6   55 5 0 0 1 4 4 8 38
  7-10   2,421 148 5 22 47 74 103 160 2,010
  Not Stated   9 0 0 0 0 0 2 0 7
Tobacco Used Yes   560 47 2 4 15 26 33 39 441
  No   1,931 106 3 18 33 52 75 129 1,621
  Unknown   7 1 0 0 1 0 1 0 5
Alcohol Used Yes   58 10 1 3 2 4 2 1 45
  No   2,430 143 4 19 46 74 106 167 2,014
  Unknown   10 1 0 0 1 0 1 0 8
Birth Order 1st   930 139 5 22 46 66 90 114 587
  2nd   852 14 0 0 3 11 17 43 778
  3rd   411 1 0 0 0 1 2 10 398
  4th   182 0 0 0 0 0 0 1 181
  5+   123 0 0 0 0 0 0 0 123
Prenatal Care No Care   10 2 0 0 1 1 1 0 7
  Little or Late   137 15 1 7 4 3 2 9 111
  Adequate   2,330 136 4 15 44 73 105 157 1,932
  Unknown   21 1 0 0 0 1 1 2 17