Shared environmental factors were generally not influential, and nonshared environmental effects were stronger for males than for females for inattention / impulsivity These results suggest that impulsivity and inattention during this period of childhood are (1) clearly related to concurrent aggressive / defiant symptoms; (2) multidimensional, with influences of method of assessment on outcome; and (3) highly heritable, with possible gender differences in the strength of genetic effects. (content.iospress.com)
A multivariate analysis of variance (MANOVA) then examined possible gender differences and also explored whether the two genders displayed different patterns of correlation among these measures. (interpersona.psychopen.eu)
While the study included girls, the substantially stronger effect in boys alone suggests possible gender difference in the effect of prenatal SSRI exposure. (sciencedaily.com)