| BPA (n = 4739) | PFCs (n = 3953) | |||||
---|---|---|---|---|---|---|---|
 | n (%) | median (μg/ g creatinine) | n (%) | PFOA median (μg/L) | PFOS median (μg/L) | PFNA median (μg/L) | PFHxS median (μg/L) |
Age | Â | Â | Â | Â | Â | Â | Â |
   6 to 11 | 640 (14) | 3.3 |  |  |  |  |  |
   12 to 19 | 1331 (28) | 2.0 | 1196 (30) | 3.7 | 16.0 | 0.9 | 2.1 |
   20 to 59 | 1865 (39) | 2.0 | 1795 (45) | 3.7 | 17.0 | 1.0 | 1.6 |
   > = 60 | 903 (19) | 1.9 | 962 (24) | 4.0 | 23.5 | 1.0 | 1.9 |
Gender | Â | Â | Â | Â | Â | Â | Â |
   Female | 2390 (50) | 2.3 | 1998 (51) | 3.2 | 15.0 | 0.8 | 1.5 |
   Male | 2349 (50) | 1.9 | 1955 (49) | 4.3 | 21.2 | 1.1 | 2.1 |
NHANES cycle | Â | Â | Â | Â | Â | Â | Â |
   2003-2004 | 2314 (49) | 2.6 | 1929 (49) | 3.8 | 19.8 | 0.9 | 1.9 |
   2005-2006 | 2425 (51) | 1.7 | 2024 (51) | 3.7 | 16.0 | 1.0 | 1.7 |
Family income | Â | Â | Â | Â | Â | Â | Â |
   $0-$19,999 | 1360 (29) | 2.4 | 1185 (30) | 3.4 | 16.5 | 0.9 | 1.7 |
   $20,000-$44,999 | 1502 (32) | 2.1 | 1326 (34) | 3.7 | 17.9 | 0.9 | 1.8 |
   $45,000-$74,999 | 924 (19) | 2.0 | 735 (19) | 4.0 | 18.5 | 1.0 | 1.8 |
   $75,000 and over | 953 (20) | 1.9 | 707 (18) | 4.2 | 19.8 | 1.1 | 2.0 |
Poverty income ratio | Â | Â | Â | Â | Â | Â | Â |
   PIR < 1 | 1104 (23) | 2.4 | 869 (22) | 3.2 | 14.4 | 0.8 | 1.7 |
   PIR 1-3 | 1983 (42) | 2.2 | 1742 (44) | 3.7 | 17.9 | 0.9 | 1.8 |
   PIR > 3 | 1652 (35) | 1.8 | 1342 (34) | 4.2 | 20.2 | 1.0 | 2.0 |
Adjusted family income a | Â | Â | Â | Â | Â | Â | Â |
   Quartile 1 | 1077 (23) | 2.5 | 864 (22) | 3.3 | 15.7 | 0.8 | 1.7 |
   Quartile 2 | 1156 (24) | 2.2 | 1040 (26) | 3.6 | 17.0 | 0.9 | 1.7 |
   Quartile 3 | 1142 (24) | 2.1 | 938 (24) | 3.8 | 18.4 | 0.9 | 0.2 |
   Quartile 4 | 1364 (29) | 1.8 | 1111 (28) | 4.2 | 20.6 | 1.1 | 2.0 |
Food security status | Â | Â | Â | Â | Â | Â | Â |
   Very low | 294 (6) | 2.6 | 216 (5) | 3.7 | 17.6 | 0.9 | 1.8 |
   Low | 564 (12) | 2.3 | 458 (12) | 3.3 | 14.5 | 0.9 | 1.6 |
   Marginal | 416 (9) | 2.3 | 350 (9) | 3.4 | 16.3 | 0.9 | 1.7 |
   Full | 3465 73) | 2.0 | 2929 (74) | 3.9 | 18.8 | 1.0 | 1.8 |
Emergency food | Â | Â | Â | Â | Â | Â | Â |
   Yes | 362 (8) | 2.4 | 291 (7) | 3.4 | 15.0 | 0.8 | 1.7 |
   No | 4377 (92) | 2.1 | 3662 (93) | 3.8 | 18.2 | 1.0 | 1.8 |
Education b | Â | Â | Â | Â | Â | Â | Â |
   Less than high school | 753 (27) | 1.9 | 780 (28) | 3.4 | 18.3 | 0.9 | 1.7 |
   High school grad/GED | 671 (24) | 2.0 | 686 (25) | 4.0 | 19.1 | 1.0 | 1.7 |
   Some college/AA degree | 775 (28) | 2.1 | 782 (28) | 3.9 | 18.9 | 0.9 | 1.7 |
   College grad or above | 566 (20) | 1.8 | 508 (18) | 4.1 | 21.0 | 1.1 | 1.8 |
Longest occupation b | Â | Â | Â | Â | Â | Â | Â |
   Never worked | 142 (8) | 2.4 | 142 (9) | 3.5 | 17.4 | 0.7 | 2.1 |
   Blue collar, semi-routine | 656 (39) | 2.3 | 684 (42) | 3.9 | 19.6 | 0.9 | 1.9 |
   Blue collar, high skill | 226 (13) | 2.5 | 212 (13) | 3.6 | 22.0 | 0.9 | 1.7 |
   White collar, semi-routine | 324 (19) | 2.5 | 289 (18) | 3.8 | 19.6 | 0.9 | 1.7 |
   White collar & professional | 347 (20) | 2.3 | 311 (19) | 3.9 | 21.8 | 1.0 | 1.8 |
Race/Ethnicity | Â | Â | Â | Â | Â | Â | Â |
   Non-Hispanic White | 1985 (42) | 2.2 | 1781 (45) | 4.2 | 19.9 | 1.0 | 1.9 |
   Non-Hispanic Black | 1226 (26) | 2.2 | 1013 (26) | 3.7 | 19.5 | 1.0 | 1.9 |
   Mexican American US born | 677 (14) | 1.9 | 469 (12) | 3.5 | 15.4 | 0.7 | 1.7 |
   Mexican American Foreign born | 488 (10) | 1.9 | 431 (11) | 2.6 | 11.8 | 0.7 | 1.4 |
   Other Race/ Multiracial | 222 (5) | 2.1 | 142 (4) | 3.6 | 18.6 | 1.0 | 2.0 |
   Other Hispanic | 141 (3) | 2.0 | 117 (3) | 3.8 | 14.8 | 1.0 | 1.7 |