Serum Perfluorooctanoic Acid and Perfluorooctane Sulfonate Concentrations in Relation to Birth Outcomes in the Mid-Ohio Valley, 2005–2010

http://dx.doi.org/10.1289/ehp.1206372



Table 2. Maternal serum concentrations of PFOA and PFOS (ng/mL).
  PFOA PFOS
Abbreviations: GM, geometric mean; LOD, limit of detection.
aAmong 1,630 births included in analysis. b0.25. cAmong 1,330 women at time of enrollment.
GM (SD)a 16.2 (2.8) 13.2 (1.9)
Mean ± SDa 31.0 ± 50.5 15.6 ± 8.9
n < LODa 0 11
Range (0.6–459.5) (LODb–92.9)
Percentilea    
5th 3.7 5.1
25th 8.0 9.5
50th 14.3 13.9
75th 29.8 19.7
95th 114.1 31.8
Body mass indexc (GM)    
Underweight, < 18.5 15.2 12.0
Normal, 18.5 to < 25 18.9 14.1
Overweight, 25 to < 30 16.5 13.6
Obese, ≥ 30 13.5 12.5
Educationc (GM)    
< 12 years 12. 6 9.2
12 years 15.4 13.1
13–15 years 17.0 13. 8
≥ 16 years 17.7 14.3
Maternal agec (GM)    
19–29 years 16.1 13.7
30–34 years 17.2 12.8
≥ 35 years 17.2 12.9
Parityc (GM)    
0 previous live births 21.6 16.2
≥ 1 previous live birth 14.6 12.3
NHANES 2003–2004 (females)    
GM (95% CI) (Calafat et al. 2007) 3.5
(3.2–3.8)
18.4
(17.0–20.0)