Table 3. Univariate determinants of urinary concentrations of phenols and phthalate metabolites (SG adjusted) during pregnancy, % change (95% CI).
| Determinants | Bisphenol A (n=114) | 2,4-dichlorophenol (n=114) | 2,5-dichlorophenol (n=114) | Butyl Paraben (n=114) | Methyl Paraben (n=112) | Propyl Paraben (n=114) | Monoethyl phthalate (n=114) | ΣDEHP metabolites (n=114) |
|---|---|---|---|---|---|---|---|---|
| % change (95% CI) | % change (95% CI) | % change (95% CI) | % change (95% CI) | % change (95% CI) | % change (95% CI) | % change (95% CI) | % change (95% CI) | |
| Gestational age (wks) | 1.3 (−0.3, 2.9) | −2.5 (−4.4, −0.7) | 3.0 (0.7, 5.4) | −5.2 (−13.4, 3.0) | 0.1 (−2.3, 2.5) | −2.4 (−6.3, 1.5) | −0.6 (−2.9, 1.7) | 0.5 (−1.8, 2.7) |
| Weight gain (kg) | 2.5 (0.4, 4.7) | −1.6 (−3.9, 0.7) | 2.0 (−1.2, 5.2) | 0.0 (−11.1, 11.1) | 0.8 (−3.0, 4.5) | −0.7 (−6.8, 5.3) | 1.1 (−2.0, 4.2) | −0.1 (−2.9, 2.7) |
| Time since awoke (hrs) | −5.6 (−29.8, 18.6) | −25.2 (−40.3, −10.0) | −18.0 (−41.4, 5.5) | −38.6 (−112.8, 35.5) | −7.2 (−37.7, 23.4) | 0.7 (−46.8, 48.1) | −0.2 (−16.4, 16.0) | 13.1 (−11.8, 38.0) |
| Time slept (hrs) | 8.9 (−2.1, 19.8) | 13.6 (5.7, 21.5) | 6.8 (−4.4, 18.0) | 7.4 (−29.1, 43.9) | −2.9 (−18.4, 12.6) | −6.7 (−28.2,14.7) | −0.8 (−11.5, 10.0) | −3.3 (−13.6, 7.0) |
| Time since last food/drink (hrs) | 2.8 (−0.5, 6.0) | −1.0 (−3.4, 1.4) | 0.8 (−2.2, 3.7) | −6.7 (−17.1, 3.6) | −2.4 (−7.2, 2.4) | −4.5 (−10.7, 1.6) | 0.2 (−3.0, 3.3) | 1.4 (−1.6, 4.4) |
| Time since last void (hrs) | 8.6 (4.0, 13.2) | 3.6 (0.3, 6.9) | 4.1 (−0.4, 8.6) | 0.0 (−15.2, 15.2) | 3.8 (−2.7, 10.2) | 8.5 (−0.5, 17.6) | 2.9 (−1.8, 7.5) | 4.9 (0.4, 9.5) |
Abbreviations: ΣDEHP metabolites, sum of metabolites of di(2-ethylhexyl) phthalate
Maximum number of observations is 114 (19 women × 6 samples each)