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

Clackamas County
  Total 10-17 <15 15 16 17 18 19 20+
Total Births   12,457 363 17 39 103 204 301 449 11,343
Birthweight 1499 Gr. or Less Total 118 5 2 1 1 1 5 4 104
    <28 Weeks 35 1 1 0 0 0 2 0 32
    28-36 Weeks 62 2 1 1 0 0 1 3 56
    37-41 Weeks 5 1 0 0 1 0 0 0 4
    Unknown 16 1 0 0 0 1 2 1 12
  1500-2499 Grams Total 557 21 2 0 10 9 15 32 489
    <28 Weeks 3 0 0 0 0 0 0 0 3
    28-36 Weeks 282 10 1 0 5 4 8 17 247
    37-41 Weeks 206 6 1 0 3 2 4 13 183
    42+ Weeks 20 3 0 0 0 3 1 1 15
    Unknown 46 2 0 0 2 0 2 1 41
  2500+ Grams Total 11,780 337 13 38 92 194 281 413 10,749
    <28 Weeks 3 0 0 0 0 0 0 0 3
    28-36 Weeks 427 14 2 1 0 11 11 20 382
    37-41 Weeks 8,874 222 9 27 58 128 197 272 8,183
    42+ Weeks 1,530 68 1 6 27 34 44 88 1,330
    Unknown 946 33 1 4 7 21 29 33 851
5 Minute Apgar 0-3   45 2 1 0 0 1 4 0 39
  4-6   156 4 0 2 1 1 7 5 140
  7-10   12,156 355 16 37 102 200 288 437 11,076
  Not Stated   100 2 0 0 0 2 2 7 88
Tobacco Used Yes   1,631 90 3 5 26 56 92 107 1,342
  No   10,771 268 14 33 76 145 208 341 9,954
  Unknown   55 5 0 1 1 3 1 1 47
Alcohol Used Yes   260 9 0 1 2 6 4 11 236
  No   12,104 349 17 37 100 195 296 436 11,023
  Unknown   93 5 0 1 1 3 1 2 84
Birth Order 1st   4,961 336 16 36 98 186 250 340 4,034
  2nd   4,248 24 1 3 5 15 46 90 4,088
  3rd   2,063 3 0 0 0 3 5 17 2,038
  4th   732 0 0 0 0 0 0 2 730
  5+   443 0 0 0 0 0 0 0 443
  Unknown   10 0 0 0 0 0 0 0 10
Prenatal Care No Care   141 9 0 3 2 4 7 9 115
  Little or Late   446 28 5 2 6 15 27 24 367
  Adequate   11,791 319 12 34 93 180 263 411 10,798
  Unknown   79 7 0 0 2 5 4 5 63