Serum Perfluorooctanoic acid (PFOA) (1999-2000, 2003-2010)
CAS Number 335-67-1
Geometric mean and selected percentiles of serum concentrations (in µg/L) for the U.S. population from the National Health and Nutrition Examination Survey.
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| Demographic Categories |
Survey (Years) |
Geometric Mean (95% CI) |
50th Percentile (95% CI) |
75th Percentile (95% CI) |
90th Percentile (95% CI) |
95th Percentile (95% CI) |
Sample Size |
|---|---|---|---|---|---|---|---|
| Total population | 99-00 | 5.22 (4.72-5.78) | 5.20 (4.80-5.90) | 7.00 (6.30-7.80) | 9.60 (8.20-11.2) | 11.9 (11.0-13.5) | 1432 |
| Total population | 03-04 | 3.95 (3.65-4.27) | 4.10 (3.80-4.40) | 5.80 (5.30-6.40) | 7.80 (6.70-9.60) | 9.80 (7.40-14.1) | 2094 |
| Total population | 05-06 | 3.92 (3.48-4.42) | 4.20 (3.80-4.50) | 6.20 (5.40-7.20) | 9.00 (7.40-11.2) | 11.3 (8.80-14.5) | 2120 |
| Total population | 07-08 | 4.12 (4.01-4.24) | 4.30 (4.20-4.50) | 5.90 (5.70-6.20) | 7.90 (7.50-8.30) | 9.60 (8.90-10.1) | 2100 |
| Total population | 09-10 | 3.07 (2.81-3.36) | 3.20 (2.90-3.50) | 4.60 (4.10-5.10) | 6.00 (5.30-7.20) | 7.50 (6.20-9.70) | 2233 |
| Age 12-19 years | 99-00 | 5.50 (5.00-6.05) | 5.60 (4.80-6.20) | 6.90 (6.20-7.90) | 9.50 (7.70-11.1) | 11.6 (10.0-12.5) | 497 |
| Age 12-19 years | 03-04 | 3.89 (3.47-4.35) | 4.00 (3.50-4.50) | 5.40 (4.60-6.10) | 7.00 (5.60-9.20) | 8.60 (5.90-12.6) | 640 |
| Age 12-19 years | 05-06 | 3.59 (3.26-3.96) | 3.80 (3.30-4.20) | 5.40 (4.60-5.90) | 6.90 (6.30-7.90) | 8.40 (7.30-10.1) | 640 |
| Age 12-19 years | 07-08 | 3.91 (3.71-4.12) | 4.00 (3.70-4.40) | 5.00 (4.70-5.50) | 6.10 (5.70-6.70) | 7.30 (6.20-8.00) | 357 |
| Age 12-19 years | 09-10 | 2.74 (2.46-3.05) | 2.90 (2.60-3.10) | 3.80 (3.30-4.20) | 4.80 (4.10-5.30) | 5.00 (4.40-7.20) | 364 |
| Age 20+ years | 99-00 | 5.18 (4.66-5.75) | 5.20 (4.70-5.80) | 7.00 (6.30-7.80) | 9.60 (8.20-11.3) | 12.1 (10.6-14.4) | 935 |
| Age 20+ years | 03-04 | 3.96 (3.67-4.27) | 4.10 (3.90-4.40) | 5.90 (5.40-6.50) | 7.80 (6.80-9.60) | 9.90 (7.60-14.2) | 1454 |
| Age 20+ years | 05-06 | 3.97 (3.51-4.49) | 4.20 (3.80-4.60) | 6.40 (5.40-7.50) | 9.30 (7.40-11.9) | 11.6 (9.00-14.8) | 1480 |
| Age 20+ years | 07-08 | 4.15 (4.02-4.30) | 4.30 (4.20-4.60) | 6.10 (5.80-6.50) | 8.10 (7.70-8.70) | 9.80 (9.00-10.4) | 1743 |
| Age 20+ years | 09-10 | 3.12 (2.84-3.43) | 3.30 (3.00-3.60) | 4.70 (4.20-5.30) | 6.40 (5.40-7.50) | 7.70 (6.30-10.2) | 1869 |
| Male | 99-00 | 5.75 (5.20-6.36) | 6.00 (5.40-6.50) | 7.80 (6.90-8.70) | 10.6 (8.80-11.9) | 12.3 (11.2-13.2) | 684 |
| Male | 03-04 | 4.47 (4.07-4.91) | 4.60 (4.30-5.00) | 6.30 (5.70-7.20) | 8.40 (6.80-12.5) | 10.7 (7.40-17.5) | 1053 |
| Male | 05-06 | 4.69 (4.23-5.20) | 4.90 (4.40-5.40) | 7.20 (6.10-8.00) | 9.90 (8.00-12.2) | 12.2 (9.60-15.2) | 1048 |
| Male | 07-08 | 4.80 (4.55-5.06) | 4.90 (4.60-5.20) | 6.70 (6.30-7.10) | 8.70 (8.10-9.30) | 10.1 (9.50-11.1) | 1059 |
| Male | 09-10 | 3.53 (3.22-3.87) | 3.70 (3.40-4.00) | 4.90 (4.50-5.40) | 6.80 (5.40-8.00) | 7.90 (6.40-10.2) | 1075 |
| Female | 99-00 | 4.80 (4.29-5.37) | 4.70 (4.40-5.10) | 6.30 (5.60-7.10) | 8.30 (7.40-10.0) | 11.3 (9.20-14.4) | 748 |
| Female | 03-04 | 3.50 (3.21-3.82) | 3.60 (3.30-3.90) | 5.20 (4.70-5.80) | 7.10 (6.30-8.20) | 8.60 (7.40-10.6) | 1041 |
| Female | 05-06 | 3.31 (2.89-3.79) | 3.50 (3.10-4.00) | 5.20 (4.40-6.00) | 7.90 (6.10-9.70) | 10.1 (7.50-14.2) | 1072 |
| Female | 07-08 | 3.55 (3.38-3.73) | 3.70 (3.50-3.90) | 5.20 (4.80-5.60) | 7.00 (6.50-7.50) | 8.30 (7.20-9.90) | 1041 |
| Female | 09-10 | 2.69 (2.45-2.96) | 2.70 (2.50-3.00) | 4.10 (3.60-4.70) | 5.60 (5.10-6.50) | 6.90 (5.80-8.40) | 1158 |
| Mexican American | 99-00 | 3.87 (3.55-4.23) | 4.20 (3.80-4.60) | 5.90 (5.20-6.40) | 7.70 (6.30-8.20) | 8.20 (7.80-9.20) | 521 |
| Mexican American | 03-04 | 3.11 (2.84-3.40) | 3.30 (3.10-3.70) | 4.50 (4.20-5.20) | 6.70 (5.70-7.30) | 7.60 (6.70-10.5) | 485 |
| Mexican American | 05-06 | 2.62 (2.33-2.95) | 2.80 (2.50-3.30) | 4.30 (3.80-4.70) | 5.80 (5.30-6.70) | 7.40 (5.90-8.10) | 499 |
| Mexican American | 07-08 | 3.54 (3.35-3.75) | 3.80 (3.50-4.00) | 5.20 (4.90-5.60) | 6.60 (6.20-7.10) | 7.60 (6.80-9.00) | 391 |
| Mexican American | 09-10 | 2.26 (2.00-2.54) | 2.40 (2.10-2.60) | 3.60 (3.10-3.80) | 4.60 (4.00-5.30) | 5.40 (4.50-6.60) | 461 |
| Non-Hispanic Black | 99-00 | 4.85 (4.20-5.59) | 4.90 (4.10-5.90) | 6.40 (5.90-7.50) | 9.00 (7.30-11.5) | 11.1 (9.20-13.5) | 269 |
| Non-Hispanic Black | 03-04 | 3.37 (2.99-3.79) | 3.70 (3.20-4.20) | 5.20 (4.40-6.30) | 7.70 (5.30-11.6) | 9.60 (6.50-13.9) | 538 |
| Non-Hispanic Black | 05-06 | 3.27 (2.61-4.08) | 3.70 (3.00-4.20) | 5.50 (4.40-6.80) | 8.10 (6.00-11.3) | 10.4 (7.80-12.3) | 544 |
| Non-Hispanic Black | 07-08 | 3.86 (3.57-4.16) | 4.00 (3.50-4.30) | 5.90 (5.20-6.50) | 7.80 (7.10-8.70) | 9.20 (8.50-10.1) | 419 |
| Non-Hispanic Black | 09-10 | 2.74 (2.47-3.04) | 2.80 (2.60-3.00) | 4.00 (3.70-4.40) | 5.50 (5.00-6.20) | 6.70 (5.60-9.40) | 391 |
| Non-Hispanic White | 99-00 | 5.62 (5.04-6.27) | 5.60 (4.90-6.20) | 7.30 (6.50-8.30) | 10.5 (8.30-12.9) | 13.1 (11.0-15.6) | 491 |
| Non-Hispanic White | 03-04 | 4.18 (3.85-4.53) | 4.30 (3.90-4.70) | 6.00 (5.50-6.70) | 7.90 (7.20-9.20) | 9.90 (7.60-13.3) | 962 |
| Non-Hispanic White | 05-06 | 4.27 (3.80-4.81) | 4.40 (4.00-5.00) | 6.60 (5.60-7.80) | 9.60 (7.40-12.2) | 11.6 (8.80-14.8) | 935 |
| Non-Hispanic White | 07-08 | 4.38 (4.20-4.56) | 4.60 (4.30-4.70) | 6.10 (5.80-6.60) | 8.20 (7.80-8.80) | 9.90 (9.30-10.6) | 931 |
| Non-Hispanic White | 09-10 | 3.36 (3.06-3.69) | 3.50 (3.20-3.90) | 4.80 (4.40-5.40) | 6.60 (5.40-7.80) | 7.80 (6.20-10.5) | 1031 |