TABLE 6.
Acute Hg Dose-Response Effects Among Boys and Girls With ACGG (Group A) or GTCA (Group B) COMT haplotype
| Haplotype |
||||
|---|---|---|---|---|
| GCGGval-GCGGval (Group A) |
ATCAmet-ATCAmet (Group B) |
|||
| Measure | Beta (SE) | rpart (p) | Beta (SE) | rpart (p) |
| Boys | ||||
| Attention/Concentration | ||||
| Stroop Test: Color-Word | 4.62 (2.95) | .34 (.13) | −8.38 (3.25) | −.53 (.02) |
| WAIS–III Digit Span | −.92 (.77) | −.27 (.24) | −2.43 (1.01) | −.50 (.03) |
| Learning & Memory | ||||
| RAVLT–Trial 5: List A | .84 (.84) | .23 (.32) | −2.55 (1.16) | −.47 (.04) |
| RAVLT–Trial 6: List B | −.07 (.53) | −.03 (.90) | −1.48 (.70) | −.46 (.05) |
| RAVLT–Trial 8: A post 20′ | 1.03 (1.01) | .23 (.32) | −3.17 (1.51) | −.45 (.05) |
| RAVLT–Trials 1–5: Sum | −.28 (2.93) | −.02 (.92) | −11.79 (4.61) | −.53 (.02) |
| Girls | ||||
| Attention | ||||
| Trails A | 3.32 (3.47) | .21 (.36) | 6.96 (1.78) | .74 (.002) |
| Motor | ||||
| Finger Tapping–Non-Dominant Hand | −.27 (1.93) | −.03 (.89) | −4.18 (1.30) | −.66 (.007) |
| WRAVMA–Pegs–Dominant Hand | 1.84 (2.06) | .21 (.38) | −.60 (2.27) | −.07 (.80) |
Note. Values in bold signify p ≤ .05 with increasing Hg exposure.