Table 7.
Comparison of median uncorrected concentrations (μg/L) to a representative sample of adults from the U.S. general population (NHANES 2015–2016).
| Present study (2017–2018) | National Health and Nutrition Examination Survey (NHANES, 2015–2016) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Adults aged 19–65 years (n=94) | Adults aged 19–65 years (n=1373) | Mexican American adults aged 19–65 years (n=234) | ||||||||||
| Unweighted | Weighteda | Unweighted | Weighteda | |||||||||
| Phthalate metabolite | LOD (μg/L) | DF % | Phthalate metabolite concentration, μg/L P50 (P25,75) |
LOD (μg/L) | DF % | Phthalate metabolite concentration, μg/L P50 (P25,75) |
DF % | Phthalate metabolite concentration, μg/L P50 (P25,75) |
DF % | Phthalate metabolite concentration, μg/L P50 (P25,75) |
DF % | Phthalate metabolite concentration, μg/L P50 (P25,75) |
| MEP | 0.24 | 100 | 12.8 (5.9, 59.9) | 1.2 | 99.5 | 35.9 (14.5, 105.7) | 99.7 | 28.8 (12.2, 84.3) | 98.7 | 26.1 (9.9, 73.5) | 98.9 | 26.6 (9.9, 86.4) |
| MBzP | 0.06 | 92.6 | 1.3 (0.53, 3.0) | 0.3 | 97.1 | 4.1 (1.7, 9.8) | 97.7 | 3.9 (1.6, 9.2) | 94.9 | 3.4 (1.3, 7.6) | 95.9 | 3.3 (1.8, 8.9) |
| MBP | 0.25 | 88.3 | 3.2(1.3, 9.5) | 0.4 | 98.9 | 10.9 (5.4, 20.2) | 98.8 | 9.6 (5.0, 18.3) | 99.6 | 10.6 (5.6, 21.2) | 99.6 | 10.2 (5.5, 20.5) |
| MiBP | 0.54 | 71.3 | 1.7 (<LOD, 4.8) | 0.8 | 98.1 | 9.5 (4.6, 18.2) | 97.7 | 8.9 (3.9, 16.0) | 98.7 | 9.3 (4, 18.9) | 98.9 | 9.0 (4.1, 18.8) |
| MCPP | 0.19 | 42.6 | <LOD (<LOD, 0.48) | 0.4 | 76.5 | 1.0 (<LOD, 2.0) | 75.7 | 1.0 (<LOD, 2.1) | 67.5 | 0.8 (<LOD, 1.8) | 66.1 | 0.7 (<LOD, 1.8) |
| MEHHP | 0.20 | 98.9 | 3.0 (1.43, 5.7) | 0.4 | 62.3 | 5.9 (3.1, 11.5) | 60.1 | 5.5 (2.6, 10.4) | 63.7 | 6.1 (2.9, 12.5) | 66.7 | 6.1 (2.5, 12.0) |
| MECPP | 0.16 | 96.8 | 3.1 (1.1, 5.8) | 0.4 | 99.6 | 9.1 (4.6, 17.2) | 99.7 | 8.3 (4.1, 16.2) | 100 | 9.2 (4.4, 18.8) | 100 | 8.3 (4.9, 16.9) |
| MEOHP | 0.09 | 92.6 | 1.5 (0.60, 3.2) | 0.2 | 99.1 | 3.7 (1.8, 7.1) | 99.3 | 3.5 (1.6, 6.7) | 100 | 3.8 (1.7, 8.6) | 100 | 3.6 (1.5, 7.2) |
| MEHP | 0.29 | 2.1 | <LOD (<LOD, <LOD) | 0.8 | 99.3 | 1.2 (<LOD, 2.5) | 99.5 | 1.1 (<LOD, 2.4) | 99.6 | 1.5 (<LOD, 3.2) | 99.6 | 1.5 (<LOD, 3.0) |
a.
Values reported are weighted to account for the stratified multistage probability sampling design.
Abbreviations: LOD, limit of detection; DF%, detection frequency percentage; P25,50,75, 25th, 50th, and 75th percentiles, respectively.