Table 1.
Descriptive statistics for demographic data, PPI-R and SCID-II
| Measure | Means (SD) | ||
|---|---|---|---|
| Violent offenders | Child sex offenders | General population | |
| Demographics | |||
| Age (years) | 42.23 (11.45) | 42.07 (8.87) | 42.76 (10.33) |
| Sentence term (months) | 93.43 (66.58) | 59.07 (24.31) | - |
| PPI-R | |||
| Blame externalization | 33.17 (9.61) | 37.92 (8.84) | 26.65 (7.6) |
| Rebellious nonconformity | 54.31 (16.44) | 50.54 (10.69) | 53.00 (13.49) |
| Stress immunity | 44.52 (9.65) | 44.54 (8.81) | 43.00 (6.86) |
| Social influence | 44.83 (8.89) | 34.54 (8.90) | 45.59 (5.92) |
| Coldheartedness | 32.76 (5.84) | 29.62 (3.82) | 30.53 (5.92) |
| Machiavellian egocentricity | 34.62 (6.01) | 33.85 (5.46) | 33.65 (4.76) |
| Carefree nonplanfulness | 27.55 (5.52) | 31.15 (6.05) | 29.65 (6.66) |
| Fearlessness | 17.83 (5.91) | 15.38 (5.06) | 18.18 (5.49) |
| Sum | 289.59 (34.98) | 277.54 (29.45) | 280.24 (27.15) |
| Dissimulation Score | 41.76 (6.46) | 45.15 (7.28) | 41.59 (7.14) |
| SCID-II-Screening | |||
| Avoidant personality disorder PD | 1.50 (1.70) | 2.36 (1.98) | 0.76 (1.09) |
| Obsessive-compulsive PD | 3.60 (1.63) | 4.43 (1.79) | 4.29 (2.11) |
| Negativistic PD | 1.57 (1.68) | 2.07 (1.90) | 1.24 (1.44) |
| Depressive PD | 1.83 (2.07) | 3.07 (2.34) | 0.88 (1.54) |
| Paranoid PD | 2.57 (2.10) | 2.86 (2.57) | 1.35 (1.66) |
| Schizotypal PD | 1.23 (0.94) | 2.14 (2.38) | 1.41 (1.37) |
| Schizoid PD | 1.80 (1.42) | 2.64 (1.98) | 1.59 (1.00) |
| Histrionic PD | 1.60 (1.81) | 0.57 (0.76) | 1.41 (1.33) |
| Narcissistic PD | 4.00 (2.94) | 3.07 (3.15) | 2.18 (1.78) |
| Borderline PD | 3.53 (3.23) | 2.21 (2.89) | 2.47 (2.69) |
| Antisocial PD | 4.23 (4.19) | 2.43 (2.21) | 1.82 (2.81) |
PPI-R Psychopathic Personality Inventory—Revised), SCID-II Structured Clinical Interview for DSM Disorders, PD personality disorder. For PPI-R and SCID-II, values denote raw sum scores of each scale