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

MARION COUNTY
      Total 10-17 <15 15 16 17 18 19 20+
Total Births     13,515 768 52 94 209 413 545 700 11,499
Birthweight 1499 Gr. or Less Total 123 6 0 1 2 3 3 9 104
    <28 Weeks 35 3 0 0 2 1 0 1 31
    28-36 Weeks 69 3 0 1 0 2 2 7 57
    37-41 Weeks 7 0 0 0 0 0 0 0 7
    42+ Weeks 1 0 0 0 0 0 0 0 1
    Unknown 11 0 0 0 0 0 1 1 8
  1500-2499 Grams Total 606 47 3 6 10 28 33 35 491
    <28 Weeks 2 0 0 0 0 0 0 1 1
    28-36 Weeks 299 26 0 4 6 16 14 14 245
    37-41 Weeks 224 13 1 2 2 8 15 9 187
    42+ Weeks 10 3 1 0 1 1 0 2 5
    Unknown 71 5 1 0 1 3 4 9 53
  2500+ Grams Total 12,786 715 49 87 197 382 509 656 10,904
    <28 Weeks 4 0 0 0 0 0 1 0 3
    28-36 Weeks 522 30 3 7 5 15 26 31 435
    37-41 Weeks 8,968 471 25 49 138 259 322 428 7,745
    42+ Weeks 1,894 115 4 18 28 65 92 112 1,575
    Unknown 1,398 99 17 13 26 43 68 85 1,146
5 Minute Apgar 0-3   50 6 0 1 2 3 2 3 39
  4-6   139 10 0 1 4 5 6 6 117
  7-10   13,285 748 52 90 202 404 536 688 11,310
  Not Stated   41 4 0 2 1 1 1 3 33
Tobacco Used Yes   1,895 164 9 22 42 91 111 134 1,485
  No   11,471 594 40 72 165 317 424 561 9,890
  Unknown   149 10 3 0 2 5 10 5 124
Alcohol Used Yes   226 9 1 2 5 1 2 10 204
  No   13,123 748 48 92 202 406 534 683 11,156
  Unknown   166 11 3 0 2 6 9 7 139
Birth Order 1st   5,034 672 52 83 186 351 402 470 3,490
  2nd   4,206 90 0 11 23 56 127 189 3,799
  3rd   2,388 5 0 0 0 5 13 35 2,334
  4th   1,065 0 0 0 0 0 3 5 1,057
  5+   815 0 0 0 0 0 0 0 814
  Unknown   7 1 0 0 0 1 0 1 5
Prenatal Care No Care   144 15 6 2 3 4 5 6 118
  Little or Late   901 92 10 18 27 37 60 57 692
  Adequate   12,330 653 35 74 178 366 476 621 10,579
  Unknown   140 8 1 0 1 6 4 16 110