Birth Outcomes of Infants by Age of Mother,
Oregon Residents, 2002-2004
Klamath County



Total 10-17 <15 15 16 17 18 19 20+
Total Births 2,328 110 6 11 36 57 87 116 2,015
Birthweight 1499 Gr. or Less Total 28 3 1 0 0 2 0 3 22
<28 Weeks 10 1 0 0 0 1 0 3 6
28-36 Weeks 18 2 1 0 0 1 0 0 16
1500-2499 Grams Total 132 12 3 0 5 4 6 9 105
28-36 Weeks 72 6 3 0 2 1 1 3 62
37-41 Weeks 55 5 0 0 3 2 5 6 39
42+ Weeks 2 1 0 0 0 1 0 0 1
Unknown 3 0 0 0 0 0 0 0 3
2500+ Grams Total 2,168 95 2 11 31 51 81 104 1,888
<28 Weeks 1 0 0 0 0 0 0 0 1
28-36 Weeks 105 6 0 2 3 1 0 6 93
37-41 Weeks 1,877 78 1 8 24 45 71 85 1,643
42+ Weeks 135 6 1 0 3 2 9 9 111
Unknown 50 5 0 1 1 3 1 4 40
5 Minute Apgar 0-3 14 2 0 0 0 2 0 4 8
4-6 64 5 1 0 2 2 1 2 56
7-10 2,243 103 5 11 34 53 86 110 1,944
Not Stated 7 0 0 0 0 0 0 0 7
Tobacco Used Yes 473 23 1 3 8 11 31 32 387
No 1,843 86 5 8 28 45 56 84 1,617
Unknown 12 1 0 0 0 1 0 0 11
Alcohol Used Yes 71 2 0 0 1 1 2 3 64
No 2,244 108 6 11 35 56 85 113 1,938
Unknown 13 0 0 0 0 0 0 0 13
Birth Order 1st 866 97 5 11 31 50 65 84 620
2nd 752 12 1 0 5 6 19 27 694
3rd 434 1 0 0 0 1 3 5 425
4th 168 0 0 0 0 0 0 0 168
5+ 108 0 0 0 0 0 0 0 108
Prenatal Care No Care 26 3 0 1 1 1 0 0 23
Little or Late 76 6 0 0 2 4 6 1 63
Adequate 2,225 101 6 10 33 52 81 115 1,928
Unknown 1 0 0 0 0 0 0 0 1
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