TABLE 2.
Urinary Phthalate Metabolite (μg/g) Geometric Means by Age and Sex
| Urinary Phthalate | All (95% CI) {Interquartile Range} | Age 6–16, n = 1642 (95% CI) {Interquartile Range} | Age 17–49, n = 1505 (95% CI) {Interquartile Range} | Male, n = 1555 (95% CI) {Interquartile Range} | Female, n = 1592 (95% CI) {Interquartile Range} |
|---|---|---|---|---|---|
| MnBP* (100% > LoD) | 30.65 (29.8–31.52) {29.62} | 40.49 (39.01–42.02) {35.05} | 22.59 (21.77–23.44) {17.75} | 26.74 (25.75–27.77) {27.54} | 35.19 (33.79–36.64) {30.87} |
| MBzP (100% > LoD) | 16.40 (15.84–16.98) {23.43} | 24.23 (23.18–25.34) {29.66} | 10.70 (10.22–11.20) {13.81} | 15.71 (14.95–16.52) {22.95} | 17.13 (16.31–17.98) {24.16} |
| MCPP (93% > LoD) | 2.42 (2.34–2.51) {3.01} | 3.27 (3.13–3.41) {3.78} | 1.70 (1.62–1.78) {1.80} | 2.25 (2.15–2.36) {2.92} | 2.61 (2.49–2.74) {3.29} |
| MEHHP (100% > LoD) | 30.47 (29.47–31.50) {35.87} | 37.84 (36.26–39.49) {42.88} | 24.04 (22.89–25.24) {24.65} | 29.18 (27.82–30.60) {36.49} | 31.83 (30.40–33.33) {35.40} |
| MEHP (99.7% > LoD) | 4.08 (3.94–4.22) {5} | 4.12 (3.94–4.32) {4.92} | 4.03 (3.82–4.25) {5.08} | 3.90 (3.71–4.09) {4.91} | 4.27 (4.07–4.48) {5.12} |
| MEOHP (99.7% > LoD) | 18.71 (18.1–19.34) {22.1} | 23.66 (22.69–24.68) {26.29} | 14.47 (13.79–15.19) {14.35} | 17.37 (16.55–18.22) {21.88} | 20.18 (19.29–21.10) {21.68} |
| MEP (100% > LoD) | 50.49 (48.51–52.56) {75.52} | 41.15 (39.18–43.22) {45.74} | 63.16 (59.32–67.25) {107.24} | 45.66 (43.04–48.43) {66.49} | 55.91 (52.98–59.00) {80.21} |
*Detection limits for each analyte: MnBP, 0.2 ng/L; MBzP, 0.2 ng/L; MCPP, 0.2 ng/L; MEHHP, 0.4 ng/L; MEHP, 0.2 ng/L; MEOHP, 0.2 ng/L; MEP, 0.5 ng/L.
CI, confidence interval; LoD, limit of detection; MBzP, mono-benzyl phthalate; MCPP, mono-3-carboxypropyl phthalate; MEHHP, mono-(2-ethyl-5-hydroxyhexyl) phthalate; MEHP, mono-2-ethylhexyl phthalate; MEOHP, mono-(2-ethyl-5-oxohexyl) phthalate; MEP, mono-ethyl phthalate; MnBP, mono-n-butyl phthalate.