From: Psychopathic traits among a consecutive sample of Finnish pretrial fire-setting offenders
 | Exclusive firesetters | Firesetters with criminal versatility | Statistics 1 | p | Effect size |
---|---|---|---|---|---|
Age mean (SD) | 31.9 (9.26) | 32.9 (12.33) | t = 0.493 | NS | d = −0.092 |
Number of fire-settings mean (SD) | 2.2 (2.88) | 1.5 (1.26) | t = −1.671 | NS | d = 0.315 |
Principal clinical diagnoses | Â | Â | Â | Â | Â |
Personality disorders | 23/50 | 53/79 | χ2 = 5.626 | 0.03 | φ = 0.209 (max = 1.050) |
Psychoses | 14/50 | 16/79 | χ2 = 1.030 | NS | φ = 0.089 max = 0.692) |
Other | 13/50 | 10/79 | χ2 = 3.720 | NS | φ = 0.170 (max = 0.586) |
PCL-R total score mean (SD) | 12.4 (5.83) | 18.4 (6.52) | Z = −4.752 | <0.001 | ϴ = 0.252 |
PCL-R total score ≥ 25 | 1/50 | 18/79 | # | <0.001 | NA |
PCL-R factor 1 mean (SD) | 3.7 (2.99) | 5.8 (3.44) | Z = −3.435 | <0.001 | ϴ = 0.321 |
PCL-R factor 2 mean (SD) | 8.3 (3.36) | 10.8 (3.86) | Z = −3.378 | <0.001 | ϴ = 0.324 |
Item mean (SD) | Â | Â | Â | Â | Â |
1. Glibness/superficial charm | 0.1 (0.44) | 0.3 (0.52) | Z = −2.847 | 0.004 | ϴ = 0.393 |
2. Grandiose sense of self worth | 0.4 (0.64) | 0.4 (0.57) | Z = −0.694 | NS | ϴ = 0.470 |
3. Need for stimulation | 1.0 (0.79) | 1.3 (0.75) | Z = −2.330 | 0.02 | ϴ = 0.385 |
4. Pathological lying | 0.1 (0.42) | 0.1 (0.38) | Z = −0.312 | NS | ϴ = 0.493 |
5. Conning/manipulative | 0.4 (0.72) | 0.5 (0.82) | Z = −0.928 | NS | ϴ = 0.463 |
6. Lack of remorse or guilt | 0.6 (0.72) | 1.2 (0.74) | Z = −3.908 | <0.001 | ϴ = 0.299 |
7. Shallow affect | 0.7 (0.80) | 0.8 (0.74) | Z = −0.642 | NS | ϴ = 0.469 |
8. Callous/ lack of empathy | 0.6 (0.65) | 1.0 (0.77) | Z = −2.717 | 0.007 | ϴ = 0.364 |
9. Parasitic lifestyle | 0.9 (1.37) | 0.8 (0.78) | Z = −0.248 | NS | ϴ = 0.488 |
10. Poor behavioral controls | 1.5 (0.68) | 1.7 (0.58) | Z = −2.436 | 0.02 | ϴ = 0.396 |
11. Promiscuous sexual behavior | 0.2 (0.47) | 0.4 (0.69) | Z = 2.024 | 0.04 | ϴ = 0.423 |
12. Early behavior problems | 0.8 (0.85) | 0.9 (0.92) | Z = −0.313 | NS | ϴ = 0.485 |
13. Lack of realistic goals | 1.1 (0.81) | 1.4 (0.72) | Z = −1.664 | NS | ϴ = 0.420 |
14. Impulsivity | 1.4 (0.64) | 1.9 (0.36) | Z = −4.366 | <0.001 | ϴ = 0.320 |
15. Irresponsibility | 1.5 (0.68) | 1.9 (0.35) | Z = −3.953 | <0.001 | ϴ = 0.343 |
16. Failure to accept responsibility | 1.0 (0.71) | 1.4 (0.63) | Z = −3.345 | 0.001 | ϴ = 0.338 |
17. Many short-term marital relationships | 0.1 (0.31) | 0.1 (0.33) | Z = −0.798 | NS | ϴ = 0.483 |
18. Juvenile delinquency | 0.3 (0.71) | 0.6 (0.93) | Z = −2.181 | 0.03 | ϴ = 0.412 |
19. Revocation of conditional release | 0.1 (0.50) | 0.4 (0.81) | Z = −1.926 | NS | ϴ = 0.437 |
20. Criminal versatility | 0.3 (0.71) | 1.5 (0.80) | Z = −6.781 | <0.001 | ϴ = 0.180 |