Table 2.
Adjusted associations [β (95%CI)]a for ln-transformed concentrations of POPs in cord serum and GWG, prepregnancy BMI, age, total fish consumption, education, and maternal concentrations at first trimester.
| Predictor | ∑PCBs | ∑BDEs | 4,4´-DDE | 4,4´-DDT | HCB | β-HCH |
|---|---|---|---|---|---|---|
| Gestational weight gain (kg) | –0.01 (–0.02, 0.002) | –0.02 (–0.05, 0.008) | –0.016 (–0.03, –0.003) | –0.013 (–0.03, 0.005) | –0.012 (–0.03, 0.001) | –0.03 (–0.06, –0.003) |
| Prepregnancy BMI (kg/m2) | ||||||
| Underweight (< 18.5)b | –0.22 (–0.50, 0.06) | 0.48 (–0.32,1.30) | –0.17 (–0.52, 0.17) | –0.43 (–0.92, 0.06) | –0.40 (–0.78, –0.02) | –0.08 (–0.88, 0.73) |
| Overweight (25–30) | –0.08 (–0.20, 0.05) | 0.07 (–0.28, 0.44) | 0.02 (–0.13, 0.17) | –0.19 (–0.42, 0.03) | 0.13 (–0.03, 0.30) | –0.02 (–0.37, 0.34) |
| Obese (> 30) | –0.10 (–0.33, 0.12) | –0.07 (–0.63, 0.62) | 0.22 (–0.04, 0.49) | 0.06 (–0.31, 0.44) | –0.02 (–0.31, 0.26) | 0.1 (–0.52, 0.72) |
| Age (years) | 0.03 (0.01, 0.04) | 0.01 (–0.02, 0.03) | 0.04 (0.01, 0.06) | 0.02 (0.006, 0.04) | 0.02 (–0.02, 0.06) | |
| Total fish consumption (g/day) | 0.001 (0.00, 0.002) | 0.004 (0.001, 0.007) | 0.003 (0.0004, 0.003) | 0.003 (0.0004, 0.006) | ||
| Educationc | ||||||
| Up to primary | 0.34 (0.16, 0.52) | |||||
| University | –0.10 (–0.24, 0.04) | |||||
| Maternal concentrationsd | 0.67 (0.54, 0.80) | 0.04 (–0.17, 0.25) | 0.74 (0.67, 0.82) | 0.38 (0.29, 0.49) | 0.66 (0.56, 0.76) | 0.97 (0.76, 1.2) |
| aβ coefficient per unit of log ng/g lipids. bReference group is normal weight. cReference group is secondary education. dMeasured at first trimester of pregnancy. | ||||||