Continuous characteristics | n at enrollment |
Mean ± SD | Pearson r with maternal BDE-47(log _{10} ng/g lipid) |
n with WPPSI at age 5 |
Mean ± SD | Pearson r with WPPSI FSIQ at age 5 |
n withBASC‑2 at age 5 |
Mean ± SD | Pearson r with BASC externalizing problems at age 5 |
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BDI, Beck Depression Index; GM, geometric mean; GSD; geometric standard deviation. * p < 0.05 for BDE-47. **p < 0.05 for FSIQ. ^{#}p < 0.05 for BASC Externalizing Problems. |
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Maternal IQ | 301 | 107.16 ± 14.6 | –0.24* | 186 | 105.97 ± 15.4 | 0.50** | 190 | 106.13 ± 15.5 | –0.05 |

Maternal BDI depression score at baseline | 307 | 9.60 ± 6.82 | 0.23* | 189 | 9.75 ± 6.80 | –0.26** | 193 | 9.70 ± 6.75 | 0.29^{#} |

Maternal cotinine at baseline [GM (GSD)] (ng/mL) | 309 | 0.04 (18) | 0.29* | 190 | 0.04 (14) | –0.34** | 194 | 0.04 (14) | 0.10 |

HOME score at age 1 visit | 297 | 39.36 ± 5.26 | –0.27* | 183 | 39.11 ± 5.55 | 0.45** | 187 | 39.13 ± 5.61 | –0.02 |