General estimating equation models and association between maternal dietary Hg intake during pregnancy and maternal Hg blood concentration as continuous variables and maternal report on child internalising and externalising behaviour problems adjusting for maternal covariates in additive models
| Models | Dietary MeHg exposure | Maternal Hg blood levels | ||||
| Internalising | Externalising | Internalising | Externalising | |||
| n | β (95% CI) | Β (95% CI) | n | β (95% CI) | Β (95% CI) | |
| Crude | 50 301 | −0.08 (−0.10 to 0.06)** | −0.10 (−0.12 to 0.08)** | 2936 | −0.15 (−0.40 to 0.09) | −0.03 (−0.25 to 0.20) |
| Model 1 | 47 965 | −0.04 (−0.06 to 0.02)** | −0.06 (−0.08 to 0.04)** | 2873 | 0.01 (−0.24 to 0.26) | 0.09 (−0.14 to 0.33) |
| Model 2 | 47 517 | −0.03 (−0.06 to 0.01)** | −0.05 (−0.07 to 0.03)** | 2807 | −0.06 (−0.32 to 0.20) | 0.11 (−0.12 to 0.35) |
| Model 3 | 46 283 | −0.03 (−0.05 to 0.00)* | −0.04 (−0.07 to 0.02)** | 2744 | −0.04 (−0.30 to 0.23) | 0.13 (−0.11 to 0.37) |
Model 1 maternal age, maternal education, income.
Model 2 maternal age, maternal education, income, prepregnancy BMI, maternal smoking, parity.
Model 3 maternal age, maternal education, income, prepregnancy BMI, maternal smoking, parity and maternal anxiety and depression during pregnancy.
df were 1 for all analysis.
*p<0.05, **p<0.01.
BMI, body mass index.