Table 1.
Characteristics of participants’ mothers (N = 304)
| Variables | Mean ± SD, N (%) | P-value | ||
|---|---|---|---|---|
| Overall | Boys (n = 160) | Girls (n = 144) | ||
| Maternal information | ||||
| Mother’s age (years) | 31.2 ± 3.6 | 31.4 ± 3.7 | 31.0 ± 3.4 | 0.3873 |
| Gestational age (weeks) | 39.2 ± 1.2 | 39.2 ± 1.2 | 39.2 ± 1.2 | 0.9349 |
| Smoking during pregnancy | 7 (2.4) | 4 (2.6) | 3 (2.2) | 1.0000 |
| Drinking alcohol during pregnancy | 28 (9.7) | 21 (13.6) | 7 (5.2) | 0.0172 |
| Mother’s education | 0.4490 | |||
| > High school | 252 (82.9) | 130 (81.3) | 122 (84.7) | |
| ≤ High school | 52 (17.1) | 30 (18.8) | 22 (15.3) | |
| Parity | <.0001 | |||
| First child | 177 (58.2) | 102 (63.8) | 75 (52.1) | |
| Second + | 127 (41.8) | 58 (36.3) | 69 (47.9) | |
| Depression score (0–60) | 11.4 ± 7.9 | 11.2 ± 8.1 | 11.5 ± 7.6 | 0.8108 |
| Creatinine (μg/L) | 87.9 ± 50.3 | 88.0 ± 49.2 | 87.7 ± 51.7 | 0.9531 |
| Creatinine-adjusted prenatal BPA (μg/g creatinine) | 2.0 ± 2.1 | 2.3 ± 2.3 | 1.6 ± 1.7 | 0.0088 |
Abbreviations: SD standard deviation, BPA bisphenol A