Birth Outcomes of Infants by Age of Mother,
Oregon Residents, 2004-2006
Linn County



Total 10-17 <15 15 16 17 18 19 20+
Total Births 4,319 109 1 13 29 66 132 229 3,849
Birthweight 1499 Gr. or Less Total 43 1 0 1 0 0 4 4 34
<28 Weeks 19 1 0 1 0 0 2 3 13
28-36 Weeks 18 0 0 0 0 0 2 0 16
42+ Weeks 1 0 0 0 0 0 0 0 1
Unknown 5 0 0 0 0 0 0 1 4
1500-2499 Grams Total 229 7 0 1 2 4 4 17 201
28-36 Weeks 129 4 0 1 2 1 4 11 110
37-41 Weeks 87 3 0 0 0 3 0 5 79
42+ Weeks 3 0 0 0 0 0 0 0 3
Unknown 10 0 0 0 0 0 0 1 9
2500+ Grams Total 4,047 101 1 11 27 62 124 208 3,614
<28 Weeks 3 0 0 0 0 0 0 0 3
28-36 Weeks 230 5 0 0 1 4 7 13 205
37-41 Weeks 3,049 69 1 7 20 41 81 137 2,762
42+ Weeks 376 14 0 2 2 10 21 32 309
Unknown 389 13 0 2 4 7 15 26 335
5 Minute Apgar 0-3 19 1 0 0 1 0 2 1 15
4-6 58 4 0 2 1 1 2 2 50
7-10 4,236 104 1 11 27 65 128 226 3,778
Not Stated 6 0 0 0 0 0 0 0 6
Tobacco Used Yes 869 26 0 5 7 14 38 76 729
No 3,439 83 1 8 22 52 94 149 3,113
Unknown 11 0 0 0 0 0 0 4 7
Birth Order 1st 1,583 103 1 13 27 62 103 170 1,207
2nd 1,401 6 0 0 2 4 26 46 1,323
3rd 753 0 0 0 0 0 3 10 740
4th 351 0 0 0 0 0 0 3 348
5+ 228 0 0 0 0 0 0 0 228
Unknown 3 0 0 0 0 0 0 0 3
Prenatal Care No Care 50 2 0 0 0 2 4 1 43
Little or Late 233 12 1 1 4 6 10 16 195
Adequate 4,014 95 0 12 25 58 116 208 3,595
Unknown 22 0 0 0 0 0 2 4 16