Descriptive statistics of the potential risk factors of inattention-hyperactivity symptoms at 3 years.

ρ is the spearman correlation coefficient between the variable and the score of inattention-hyperactivity symptoms at 3 years. MD: Missing Data, SD: Standard Deviation, T1: first trimester, T3: third trimester, CES-D: Center for Epidemiologic Studies Depression, STAI: State Trait Inventory Anxiety, ICQ: Infant Characteristics Questionnaire, EPDS: Edinburgh Postnatal Depression Scale. (DOC)