TABLE 3.
Change in Percent Predicted Spirometry Parameters for an Interquartile Change in Urinary Phthalate Metabolite Concentrations (n = 3071)*
| Urinary Phthalate | FEV1 | FVC | FEV1/FVC |
|---|---|---|---|
| MnBP | −0.8 (−1.4, −0.3) | −0.9 (−1.5, −0.3) | −0.1 (−0.7, 0.5) |
| MBzP | −0.9 (−1.6, −0.2) | −0.6 (−1.2, 0.1) | −0.5 (−0.9, −0.1) |
| MCPP | −1.1 (−1.6, −0.5) | −1.1 (−1.6, −0.5) | −0.3 (−0.9, 0.3) |
| MEP | −0.7 (−0.8, 0.3) | −0.6 (−1.3, 0.1) | 0.0 (−0.4, 0.5) |
| ΣDEHP | −0.7 (−1.3, −0.1) | −0.8 (−1.4, −0.3) | 0.1 (−0.4, 0.6) |
*Results are adjusted for PM2.5, age, sex, smoking (current, occasional, and nonsmokers), fasting, income, and education. Italicized data show results considered statistically significant if 95% confidence limits do not encompass 0.
DEHP, di(2-ethylhexyl) phthalate; FEV1, 1-second forced expiratory volume; FVC, forced vital capacity; MBzP, mono-benzyl phthalate; MCPP, mono-3-carboxypropyl phthalate; MEP, mono-ethyl phthalate; MnBP, mono-n-butyl phthalate.