Table 1.
Geometric mean gestational and childhood urinary triclosan concentrations (ng/mL) and mean age 8-year WRAT-4 reading composite and math scores according to sociodemographic, caregiving, and maternal factors among mother-child pairs in the HOME Study.
| Characteristics | Gestational Triclosana | Childhood Triclosanb | Reading Composite | Math | |
|---|---|---|---|---|---|
| N (%) | GM (GSD) | GM (GSD) | Mean (SD) | Mean (SD) | |
| Total | 193 | 17 (3.6) | 11 (2.7) | 109 (16) | 109 (12) |
| Child Sex | |||||
| Female | 108 (56) | 15 (2.8) | 12 (2.8) | 108 (17) | 109(13) |
| Male | 85 (44) | 19 (4.0) | 11 (2.6) | 109 (14) | 109 (11) |
| Child Race | |||||
| White, non-Hispanic | 120 (62) | 17 (3.8) | 12 (2.5) | 114 (13) | 112 (10) |
| Black, non-Hispanic | 63 (33) | 17 (3.2) | 10 (3.1) | 98 (16) | 102 (14) |
| Other | 10 (5) | 18 (3.9) | 9 (2.1) | 113 (14) | 111 (12) |
| Maternal Education | |||||
| < High School Diploma | 45 (23) | 16 (2.7) | 7.1 (2.5) | 98 (16) | 101 (13) |
| High School Diploma | 56 (29) | 17 (3.6) | 13 (2.4) | 104 (14) | 107 (12) |
| College + | 92 (48) | 18 (4.0) | 13 (2.8) | 116 (12) | 114 (9.8) |
| Income ($/year) | |||||
| <20k | 47 (24) | 14 (2.8) | 7.9 (2.5) | 96 (16) | 100 (13) |
| 20–40k | 31 (16) | 18 (3.5) | 9.9 (2.7) | 108 (12) | 109 (11) |
| >40–80k | 62 (32) | 17 (4.1) | 13 (2.5) | 113 (13) | 111 (11) |
| >80k | 53 (28) | 19 (3.8) | 15 (2.9) | 116 (13) | 115 (10) |
| Marital Status | |||||
| Not Married | 70 (36) | 15 (2.7) | 9.1 (2.7) | 99 (15) | 103 (13) |
| Married | 123 (64) | 18 (4.1) | 13 (2.6) | 114 (13) | 113 (11) |
| Caregiving Score | |||||
| <35 | 39 (20) | 15 (3.0) | 9.2 (3.4) | 95 (15) | 100 (13) |
| 35–40 | 53 (27) | 17 (3.4) | 11 (2.4) | 108 (15) | 109 (12) |
| >40 | 101 (52) | 18 (3.9) | 13 (2.6) | 114 (13) | 112 (10) |
| Maternal IQ | |||||
| <96 | 55 (28) | 15 (2.7) | 8.2 (2.6) | 99 (15) | 102 (13) |
| 96–110 | 51 (26) | 17 (3.3) | 12 (2.9) | 107 (15) | 108 (13) |
| >110–117 | 36 (19) | 21 (4.8) | 17 (2.3) | 111 (13) | 111 (9.9) |
| >117 | 51 (26) | 17 (4.0) | 12 (2.6) | 119 (11) | 116 (9.5) |
| Serum Cotinine | |||||
| Unexposed (<0.015 ng/ml) | 86 (45) | 17 (3.4) | 12 (2.7) | 111 (15) | 110 (12) |
| SHS (≥0.15 <3.0 ng/ml) | 90 (47) | 18 (3.8) | 11 (2.8) | 106 (17) | 107 (13) |
| Active (≥3.0 ng/ml) | 17 (8) | 13 (3.1) | 12 (2.5) | 114 (11) | 113 (9.6) |
| NICU Admission | |||||
| No | 182 (94) | 17 (3.5) | 12 (2.7) | 110 (15) | 110 (12) |
| Yes | 11 (6) | 24 (4.8) | 6.8 (1.8) | 96 (20) | 99 (13) |
| Delivery Method | |||||
| Caesarean | 53 (27) | 17 (4.4) | 13 (3.2) | 111 (14) | 111 (11) |
| Vaginal | 140 (73) | 17 (3.3) | 11 (2.5) | 108 (16) | 108 (13) |
Abbreviations: GM: geometric mean, GSD: Geometric Standard Deviation, WRAT-4: Wide Range Achievement Test-4, SHS: secondhand smoke.
a
Mean gestational triclosan concentrations included up to 3 triclosan measurements from maternal urine samples collected during 16-and 26-weeks gestation, and within 48 hours of delivery.
b
Mean childhood triclosan concentrations included up to 6 triclosan measurements from child urine samples collected annually from ages 1–5 and at 8-years.