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Table 2 Serum concentrations of analyzed POPs in adults 60 years or older

From: Persistent organic pollutants and mortality in the United States, NHANES 1999–2011

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

  1. 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
  2. a weighted to consider complex survey design