Table 1.
Population characteristics according to median (5th, 95th percentile) osmolality-adjusted maternal urinary triclosan excretion [nanograms/milliliter(osm)] stratified by child sex among 514 mother-child pairs.
| Population characteristics | Girls | Boys | ||
|---|---|---|---|---|
| na (%) | Median TCS (5th, 95th percentile) ng/mL(osm) | nb (%) | Median TCS (5th, 95th percentile) ng/mL(osm) | |
| All | 241 (100) | 1.01 (< LOD, 536) | 273 (100) | 0.96 (< LOD, 335) |
| Maternal age at birth | ||||
| < 29 years | 77 (32) | 0.94 (< LOD, 536) | 102 (38) | 0.76 (< LOD, 210) |
| 29–33 years | 82 (34) | 0.91 (< LOD, 474) | 81 (30) | 0.89 (< LOD, 160) |
| > 33 years | 81 (34) | 1.43 (< LOD, 562) | 84 (31) | 1.14 (< LOD, 669) |
| Prepregnancy BMI (kg/m2) | ||||
| < 20 | 22 (9) | 1.14 (< LOD, 20) | 26 (10) | 1.31 (< LOD, 538) |
| 20–25 | 130 (54) | 0.95 (< LOD, 503) | 141 (53) | 0.93 (< LOD, 182) |
| 25+ | 88 (37) | 1.07 (< LOD, 719) | 100 (37) | 0.91 (< LOD, 318) |
| Parity | ||||
| Primiparous | 124 (51) | 1.06 (< LOD, 664) | 156 (57) | 0.98 (< LOD, 227) |
| Multiparous | 117 (49) | 0.95 (< LOD, 503) | 116 (43) | 0.88 (< LOD, 538) |
| Maternal smoking during pregnancy | ||||
| Yes | 9 (4) | 0.94 (< LOD, 503) | 9 (3) | 0.31 (< LOD, 1.70) |
| No | 231 (96) | 1.06 (< LOD, 546) | 258 (97) | 0.97 (< LOD, 339) |
| Preterm birthc | ||||
| Yes | 8 (3) | 1.04 (0.09, 664) | 9 (3) | 0.82 (< LOD, 23) |
| No | 232 (97) | 1.03 (< LOD, 536) | 258 (97) | 0.95 (< LOD, 339) |
| Abbreviations: BMI, body mass index; LOD, level of detection; TCS, triclosan. aBecause of missing data, the numbers do not add up to 241 for the covariates. bBecause of missing data, the numbers do not add up to 273 for the covariates. cBirth before gestational week 37. | ||||