Table 5.
Interaction Contrast, Simple Effects, and Planned Comparison Contrasts Between Groups
| Interaction contrast |
Simple effects |
Planned comparisons |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| (AE+ vs. AE−) − (ADHD vs. CON) |
AE+ vs. AE− |
ADHD vs. CON |
AE+/− vs. ADHD |
AE+/− vs. CON |
|||||||
| Variable | Contrast estimate | F | p | F | p | F | p | t | p | t | p |
| Verbal comprehension | 11.042 | 7.758 | .006 | 1.543 | .216 | 41.854 | <.001 | 3.607 | <.001* | 11.180 | <.001* |
| Perceptual reasoning | 11.007 | 9.077 | .003 | .919 | .339 | 45.003 | <.001 | 2.608 | .009* | 10.092 | <.001* |
| Design fluency | 1.616 | 5.142 | .024 | 1.598 | .209 | 26.927 | <.001 | 1.268 | .206 | 7.427 | <.001* |
| Verbal fluency | 2.772 | 13.028 | <.001 | .053 | .818 | 38.118 | <.001 | 2.239 | .026 | 9.095 | <.001* |
| Trail making | 2.047 | 5.529 | .019 | 1.610 | .207 | 37.742 | <.001 | 1.085 | .279 | 7.711 | <.001* |
| Spatial working memory | .613 | 11.240 | .001 | .305 | .582 | 45.573 | <.001 | 1.218 | .224 | 8.504 | <.001* |
Note. Alcohol-exposed children with ADHD (AE+), and without ADHD (AE−), combined alcohol-exposed group (AE+/−), nonexposed children with ADHD (ADHD), and typically developing controls (CON) for the six subtests for which there was a signficant AE × ADHD interaction.
*
Significant planned comparisons using a Bonferroni correction at α < .025 (.05/2).