Sample characteristics divided by group.

<p>Sample characteristics divided by group.</p

Attention, behavioral and emotional problems and general cognitive functions for the drug-exposed and comparison groups at 8 ½ years of age.

<p>Attention, behavioral and emotional problems and general cognitive functions for the drug-exposed and comparison groups at 8 ½ years of age.</p

Mean difference between the risk and comparison groups for internalizing and externalizing problems.

<p>All of the figures estimate how much higher (in standard deviations) the caregivers’ and teachers’ reports (the CBCL and TRF scores) for the risk group were in comparison with the comparison group across time. * Significant group difference with p ≤ .05 when the analysis controlled for relative age at the time of assessment, gender, socioeconomic status, gestational age and birth weight and was adjusted for multiple analyses.</p

Changes over time in the group differences in attention, behavioral and emotional problems and general cognitive functions.

<p>Changes over time in the group differences in attention, behavioral and emotional problems and general cognitive functions.</p