Table 3.
Regression analyses results (crude, adjusted, and OCs adjusted) for the total population (n = 290).
| Compounds and models | Mental score | Psychomotor score | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| βa (95% CI) | p-value | βa (95% CI) | p-value | |||||||
| Σ7PBDEs | ||||||||||
| Crude modelb | –2.33 (–4.90, 0.23) | 0.07 | –1.32 (–3.66, 1.02) | 0.27 | ||||||
| Adjusted modelc | –2.25 (–4.75, 0.26) | 0.08 | –1.39 (–3.78, 0.99) | 0.25 | ||||||
| Multipollutant modeld | –1.85 (–4.76, 1.06) | 0.21 | –1.48 (–4.23, 1.27) | 0.29 | ||||||
| PBDE congeners (adjusted)c | ||||||||||
| BDE-47 | –1.22 (–2.89, 0.46) | 0.15 | –0.55 (–2.16, 1.05) | 0.50 | ||||||
| BDE-99 | –1.37 (–2.99, 0.25) | 0.10 | 0.13 (–1.44, 1.69) | 0.87 | ||||||
| BDE-100 | –1.36 (–3.48, 0.77) | 0.21 | 0.10 (–1.92, 2.11) | 0.93 | ||||||
| BDE-153 | –1.29 (–3.55, 0.96) | 0.26 | –1.05 (–3.18, 1.07) | 0.33 | ||||||
| BDE-154 | –0.97 (–3.37, 1.42) | 0.42 | –0.60 (–2.86, 1.67) | 0.60 | ||||||
| BDE-183 | –0.34 (–1.24, 0.56) | 0.46 | –0.02 (–0.89, 0.86) | 0.97 | ||||||
| BDE-209 | –2.40 (–4.79,-0.01) | 0.05 | –1.48 (–3.74, 0.79) | 0.20 | ||||||
| BDE-209 | ||||||||||
| Multipollutant modeld | –2.10 (–4.66, 0.46) | 0.11 | –1.26 (–3.67, 1.15) | 0.31 | ||||||
| aβ coefficient per unit of log ng/g lipid. bCrude models already adjusted for region of study, sex and region of origin of the mother. cMental score model adjusted for region of study, sex, region of origin of the mother, gestational age, low birth weight, maternal social class and education, child care attendance and parity. Psychomotor score model adjusted for region of study, sex, region of origin of the mother, gestational age, low birth weight, maternal social class and education, and maternal prepregnancy BMI. dMultipollutant models include those variables indicated in crude models plus Σ7PCBs, HCB, and DDE. | ||||||||||