Table 1.
Psychometric data for genotype groups. Values represent mean and standard deviation (mean ± SD). The p-values refer to the results from one-way ANOVAs.
| LL (n = 37) | LS (n = 36) | SS (n = 17) | p Value | |
|---|---|---|---|---|
| Age | 9.1 ± 1.3 | 9 ± 1.3 | 9 ± 1.1 | 0.77 |
| Emotional symptoms | 1.16 ± 1.3 | 1.58 ± 1.57 | 1.53 ± 1.38 | 0.42 |
| Conduct problems | 1.16 ± 1.19 | 1.33 ± 1.27 | 1.76 ± 1.35 | 0.26 |
| Hyperactivity-inattention | 4.2 ± 2.1 | 3.78 ± 2.4 | 4.71 ± 2.7 | 0.39 |
| Peer problems | 1.62 ± 1.64 | 1.97 ± 1.5 | 1.76 ± 1.44 | 0.26 |
| Prosocial behavior | 7.86 ± 1.62 | 7.86 ± 1.62 | 7.29 ± 2.14 | 0.48 |
| Neuroticism | 3.3 ± 0.79 | 3.34 ± 0.96 | 3.35 ± 0.82 | 0.76 |
| Extraversion | 4.94 ± 0.64 | 4.93 ± 0.87 | 4.86 ± 0.78 | 0.93 |
| Disagreeableness | 2.99 ± 0.67 | 2.85 ± 0.85 | 3.37 ± 0.79 | 0.08 |
| Openness | 4.7 ± 0.88 | 4.85 ± 0.67 | 4.72 ± 0.72 | 0.69 |
| Successful “Stop” | 67% ± 14% | 64% ± 13% | 67% ± 13% | 0.68 |
| Successful “Go” | 65% ± 27% | 68% ± 23% | 67% ± 25% | 0.88 |
| “Go” reaction time | 621 ± 29 | 626 ± 38 | 618 ± 34 | 0.84 |