Table 3.
Estimated mean difference in birth outcomes with an increase in cord blood MeHg.
| Outcome/model | β for ln(MeHg) (95% CI) |
|---|---|
| Gestational age (days) | |
| Model 1a | 1.23 (–0.38, 2.84) |
| Model 2b | 0.86 (–0.81, 2.54) |
| Model 3c | –0.07 (–1.87, 1.73) |
| Birth weight (g) | |
| Model 1a | –19.58 (–76.14, 36.97) |
| Model 2b | –16.84 (–74.96, 41.27) |
| Model 3c | –29.65 (–93.89, 34.60) |
| Birth length (cm) | |
| Model 1a | 0.09 (–0.18, 0.35) |
| Model 2b | 0.09 (–0.18, 0.37) |
| Model 3c | 0.14 (–0.17, 0.45) |
| Head circumference (cm) | |
| Model 1a | –0.13 (–0.31, 0.06) |
| Model 2b | –0.14 (–0.33, 0.04) |
| Model 3c | –0.16 (–0.37, 0.04) |
| Ponderal index [(g/cm3) × 100] | |
| Model 1a | –0.032 (–0.065, 0.002)* |
| Model 2b | –0.029 (–0.065, 0.005)* |
| Model 3c | –0.045 (–0.084, –0.005)# |
| aModel 1 (gestational age adjustments) was adjusted for gestational age (except for gestational age outcome). bModel 2 (demographic/medical history adjustments) was additionally adjusted for infant sex (entire cohort only), gestational age (except in gestational age model), maternal age (quadratic), primiparity, prepregnancy BMI, maternal race, maternal smoking, maternal pregestational and gestational hypertension, and maternal pregestational and gestational diabetes. cModel 3 (all adjustments) was additionally adjusted for cord serum selenium, cord serum n3-HUFAs, and cord blood IHg. *p < 0.10. #p ≤ 0.05. n = 271. | |