Birth Outcomes of Infants by Age of Mother,
Oregon Residents, 2005-2007
Linn County



Total 10-17 <15 15 16 17 18 19 20+
Total Births 4,464 119 3 16 26 74 140 210 3,995
Birthweight 1499 Gr. or Less Total 38 0 0 0 0 0 3 4 31
<28 Weeks 13 0 0 0 0 0 2 4 7
28-36 Weeks 14 0 0 0 0 0 0 0 14
Unknown 11 0 0 0 0 0 1 0 10
1500-2499 Grams Total 244 9 0 0 2 7 4 12 219
28-36 Weeks 122 3 0 0 1 2 2 5 112
37-41 Weeks 88 5 0 0 1 4 2 7 74
42+ Weeks 3 0 0 0 0 0 0 0 3
Unknown 31 1 0 0 0 1 0 0 30
2500+ Grams Total 4,182 110 3 16 24 67 133 194 3,745
<28 Weeks 2 0 0 0 0 0 0 0 2
28-36 Weeks 218 3 0 1 0 2 11 8 196
37-41 Weeks 2,907 64 2 7 15 40 75 121 2,647
42+ Weeks 361 11 0 3 1 7 22 24 304
Unknown 694 32 1 5 8 18 25 41 596
5 Minute Apgar 0-3 15 1 0 0 1 0 2 2 10
4-6 63 6 0 1 3 2 2 4 51
7-10 4,377 112 3 15 22 72 136 204 3,925
Not Stated 9 0 0 0 0 0 0 0 9
Tobacco Used Yes 837 30 0 6 8 16 41 68 698
No 3,610 89 3 10 18 58 99 140 3,282
Unknown 17 0 0 0 0 0 0 2 15
Birth Order 1st 1,662 115 3 16 26 70 117 166 1,264
2nd 1,438 4 0 0 0 4 20 35 1,379
3rd 779 0 0 0 0 0 3 7 769
4th 365 0 0 0 0 0 0 2 363
5+ 218 0 0 0 0 0 0 0 218
Unknown 2 0 0 0 0 0 0 0 2
Prenatal Care No Care 57 3 0 0 0 3 2 1 51
Little or Late 269 11 1 2 2 6 10 14 234
Adequate 4,121 105 2 14 24 65 128 195 3,693
Unknown 17 0 0 0 0 0 0 0 17