Table 2.
Metal concentrations in NHANES 2011–2012, 2013–2014, and 2015–2016
| Metal | 2011–2012 Median (IQR) |
2013–2014 Median (IQR) |
2015–2016 Median (IQR) |
Overall Median (IQR) |
|---|---|---|---|---|
| Cd | 0.26 (0.11–0.48) | 0.22 (0.12–0.43) | 0.23 (0.13–0.42) | 0.23 (0.12–0.44) |
| Hg | 0.65 (0.33–1.46) | 0.62 (0.33–1.33) | 0.60 (0.34–1.22) | 0.62 (0.33–1.34) |
| Pb | 0.91 (0.58–1.52) | 0.81 (0.51–1.32) | 0.78 (0.50–1.36) | 0.83 (0.53–1.40) |
| Cu | 112.60 (97.90–132.60) | 115.10 (99.60–133.40) | 114.70 (99.00–133.20) | 114.30 (98.80–133.00) |
| Mn | 9.33 (7.52–11.84) | 9.48 (7.69–11.94) | 9.80 (7.92–12.35) | 9.56 (7.71–12.04) |
| Se | 124.30 (113.90–136.30) | 126.80 (116.10–138.80) | 125.60 (115.70–135.50) | 125.60 (115.30–136.80) |
| Zn | 81.05 (72.40–91.10) | 80.30 (71.30–90.20) | 80.50 (70.40–90.30) | 80.60 (71.40–90.50) |
Abbreviation: IQR Interquartile range