Table 1.
Demographic and clinical characteristics of non-violent and violent men
| Characteristic | Group; mean (SD) |
t | P-value | |
|---|---|---|---|---|
| Non-violent, n = 29 | Violent, n = 25 | |||
| Age, year | 28.93 (7.03) | 30.63 (8.54) | 0.84 | 0.4 |
| Years of education | 15.96 (1.26) | 14.9 (1.89) | 2.51 | 0.01 |
| Neuropsychological performance | ||||
| Total attention and memory | 106.43 (15.09) | 102.48 (14.2) | 0.93 | 0.35 |
| Total attention and executive functions | 114.34 (10.12) | 112.16 (10.43) | 0.73 | 0.46 |
| Total memory | 104.04 (19.45) | 96.68 (15.7) | 1.44 | 0.15 |
| Reactive aggression/anger traits | ||||
| RPQ reactive | 4.25 (1.51) | 12.04 (2.77) | 12.6 | 0.000001 |
| BDHI: total | 24.7 (9.41) | 36.9 (9.38) | 4.08 | 0.00018 |
| PIS: total | 10.12 (6.49) | 17.79 (6.28) | 4.16 | 0.0013 |
| NAS: total | 66.6 (10.19) | 85.1 (14.77) | 5.35 | 0.000002 |
| RP: total | 46.8 (14.28) | 60.25 (11.3) | 3.64 | 0.0007 |
| LPSP: secondary | 16.95(3.81) | 21.63(4.66) | 3.68 | 0.0001 |
| PCL-R F2 antisocial behavior | 1.71 (2.17) | 5.95 (3.42) | 5.11 | 0.000006 |
| CU traits | ||||
| RPQ: proactive | 0.51 (0.8) | 4.83 (2.56) | 8.3 | 0.000001 |
| LPSP: primary | 28.21(6.55)6 | 34.59(8.28) | 2.86 | 0.006 |
| PCL-R F1: emotional detachment | 1.45 (1.91) | 3.52 (3.4) | 2.58 | 0.013 |
| RPQ: total | 4.77(1.62) | 16.9(4.23) | 13.8 | 0.000001 |
| LPSP: total | 43.48 (7.98)6 | 54.76(8.78) | 4.47 | 0.00006 |
| PCL-R: total | 3.0 (3.78) | 10.59(6.62) | 4.97 | 0.00001 |
RPQ = reactive and proactive aggression questionnaire; BDHI = Buss-Durkee hostility inventory; PIS = Plutchik impulsivity scale; NAS = Novaco anger scale; RP = reactions to provocation LPSP = Levenson Self-reported Psychopathy scale. PCL-R. Psychopathy Checklist.