Results* from 2-way analyses of variance of the effect of the CAG and GGN repeat polymorphisms on Karolinska Scales of Personality and Temperament and Character Inventory scores in a forensic psychiatric population (sample 2)
| Test measure | p value; polymorphism | R2, % | ANOVA p value | ||
|---|---|---|---|---|---|
| CAG | GGN | CAG × GGN | |||
| KSP | |||||
| Neuroticism | 0.6 | 0.35 | 0.30 | 6.5 | 0.19 |
| Somatic anxiety | 0.02 | 0.45 | 0.15 | 8.7 | 0.12 |
| Muscular tension | 0.003 | 0.10 | 0.09 | 16.0 | 0.02 |
| Psychasthenia | 0.07 | 0.11 | 0.41 | 9.6 | 0.1 |
| Socialization | 0.001 | 0.24 | 0.01 | 20.4 | 0.07 |
| Extraversion | 0.001 | 0.38 | 0.01 | 21.5 | 0.005 |
| Impulsiveness | 0.007 | 0.34 | 0.01 | 18.2 | 0.01 |
| Monotony avoidance | 0.0005 | 0.15 | 0.04 | 21.0 | 0.006 |
| TCI | |||||
| Character | |||||
| Self-transcendence | 0.07 | 0.27 | 0.37 | 4.1 | 0.24 |
KSP = Karolinska Scales of Personality; TCI = Temperament and Character Inventory.
↵* Only items yielding significant associations in sample 1 are included; p values are 1-sided. Cell sizes for the for the analysis of neuroticism and extraversion: CAG-SxGGN-S: 19, CAG-SxGGN-L: 11, CAG-LxGGN-S: 15, CAG-LxGGN-L: 5, self-transcendence: CAG-SxGGN-S: 24, CAG-SxGGN-L: 12, CAG LxGGN-S: 21, CAG-LxGGN-L: 6.