Table 3.
Effects of the COMT Val158Met polymorphism (on allele level) on all scales under investigation split by nation.
| Met– (A–) | Met+ (A+) | Effect (U) | Effect (Z) | Significance | |
|---|---|---|---|---|---|
| CHINA | |||||
| Revenge Motivation | 15.08 (4.15) | 15.83 (4.20) | U = 59,039.00 | Z = −2.60 | p = 0.009 |
| Avoidance Motivation | 25.46 (4.51) | 26.50 (4.58) | U = 55,963.00 | Z = −3.69 | p < 0.001 |
| Vengeance Scale | 68.06 (16.19) | 71.58 (17.06) | U = 59,058.50 | Z = −2.59 | p = 0.010 |
| GERMANY | |||||
| Revenge Motivation | 10.87 (4.49) | 10.86 (4.35) | U = 28,905.50 | Z = −0.11 | p = 0.916 |
| Avoidance Motivation | 23.75 (6.09) | 25.38 (5.84) | U = 24,755.50 | Z = −2.57 | p = 0.010 |
| Vengeance Scale | 57.21 (16.93) | 57.29 (17.69) | U = 28,908.00 | Z = −0.10 | p = 0.917 |
Mean values and SDs are reported [M (SD)] in the first columns. All p-values presented in this table are derived from two-sided testing.