Birth Outcomes of Infants by Age of Mother,
Oregon Residents, 2003-2005
Klamath County



Total 10-17 <15 15 16 17 18 19 20+
Total Births 2,383 101 4 9 33 55 88 122 2,072
Birthweight 1499 Gr. or Less Total 28 4 1 0 0 3 1 1 22
<28 Weeks 13 3 0 0 0 3 1 1 8
28-36 Weeks 15 1 1 0 0 0 0 0 14
1500-2499 Grams Total 144 8 1 0 5 2 5 10 121
28-36 Weeks 73 4 1 0 2 1 1 3 65
37-41 Weeks 60 3 0 0 3 0 4 6 47
42+ Weeks 4 1 0 0 0 1 0 1 2
Unknown 7 0 0 0 0 0 0 0 7
2500+ Grams Total 2,211 89 2 9 28 50 82 111 1,929
<28 Weeks 1 0 0 0 0 0 0 0 1
28-36 Weeks 110 5 0 1 2 2 1 4 100
37-41 Weeks 1,929 75 1 7 23 44 71 93 1,690
42+ Weeks 129 6 1 0 2 3 6 10 107
Unknown 42 3 0 1 1 1 4 4 31
5 Minute Apgar 0-3 21 4 0 0 1 3 1 1 15
4-6 59 5 1 0 2 2 0 3 51
7-10 2,297 92 3 9 30 50 87 118 2,000
Not Stated 6 0 0 0 0 0 0 0 6
Tobacco Used Yes 525 21 1 2 8 10 33 33 438
No 1,849 79 3 7 25 44 55 89 1,626
Unknown 9 1 0 0 0 1 0 0 8
Alcohol Used Yes 103 4 0 0 2 2 5 5 89
No 2,270 97 4 9 31 53 83 117 1,973
Unknown 10 0 0 0 0 0 0 0 10
Birth Order 1st 892 91 4 9 28 50 66 93 642
2nd 754 10 0 0 5 5 18 27 699
3rd 455 0 0 0 0 0 4 2 449
4th 177 0 0 0 0 0 0 0 177
5+ 105 0 0 0 0 0 0 0 105
Prenatal Care No Care 20 2 0 0 1 1 0 0 18
Little or Late 83 6 0 1 2 3 9 1 67
Adequate 2,279 93 4 8 30 51 79 121 1,986
Unknown 1 0 0 0 0 0 0 0 1