Maternal Ferritin Levels during Pregnancy and ADHD Symptoms in 4-Year-Old Children: Results from the INMA-INfancia y Medio Ambiente (Environment and Childhood) Prospective Birth Cohort Study.

In addition, comparing ferritin levels by tertiles for boys, there were significant differences between the first and second tertile, β = −0.3 (−0.55, −0.05), and the first and third tertile, β = −0.37 (−0.6, −0.14), with a significant trend ( p = 0.002).

also in 9,775 other papers