Table 2.
Serum concentrations of analyzed POPs in adults 60 years or older
| Exposure Measure | N | Mediana | Std. Error of Median a |
|---|---|---|---|
| PBDEs (ng/g of lipid) | |||
| Σ PBDEs | 436 | 53.5 | 4.1 |
| Σ PBDEs above LOD in >90% | 473 | 42.5 | 3.7 |
| 2,2′,4,4′,5,5′-hexabromodiphenyl ether (PBDE-153) | 483 | 5.1 | 0.4 |
| 2,2′,4,4′,6-pentabromodiphenyl ether (PBDE-100) | 483 | 3.6 | 0.3 |
| 2,2′,4,4′-tetrabromodiphenyl ether (PBDE-47) | 474 | 19.7 | 2.0 |
| 2,2′,4,4′,5,5′-hexabromobiphenyl (PBB-153) | 481 | 4.4 | 0.7 |
| PFASs (ng/g) | |||
| Perfluorooctanoic acid (PFOA) | 1036 | 23.7 | 0.7 |
| Perfluorooctane sulfonic acid (PFOS) | 1032 | 4.3 | 0.2 |
| Perfluorohexane sulfonic acid (PFHxS) | 1043 | 2.0 | 0.1 |
| Perfluorononanoic acid (PFNA) | 1043 | 1.0 | 0.07 |
| PCBs (ng/g of lipid) | |||
| Σ Dioxin-like PCBs | 380 | 57.5 | 2.5 |
| Σ Dioxin-like PCBs above LOD in >90% | 414 | 58.0 | 2.4 |
| Σ Non-dioxin-like PCBs | 405 | 284.3 | 10.1 |
| Σ Non-dioxin-like PCBs above LOD in >90% | 413 | 281.7 | 10.4 |
| Σ TEQ Dioxin-like PCBs | 385 | 0.03 | 0.001 |
| Σ TEQ Dioxin-like PCBs above LOD in >90% | 420 | 0.01 | 0.001 |
| OC Pesticides (ng/g of lipid) | |||
| β-hexachlorocyclohexane | 1397 | 25.1 | 1.1 |
| p,p’-DDE | 1411 | 666.1 | 33.0 |
| Oxychlordane | 1312 | 29.0 | 0.9 |
| Trans-nonachlor | 1404 | 44.8 | 1.7 |
Notes: DDE, dichlorodiphenyldichloroethylene; LOD, limit of detection; OC, organochlorine; PBDEs, polybrominated diphenyl ethers; PCBs, polychlorinated biphenyls; PFASs, per- and polyfluoroalkyl substances; POPs, persistent organic pollutants; TEQ, toxic equivalency values
a weighted to consider complex survey design