Table 2.
Descriptive and demographic characteristics of samples investigating predictive validity of risk assessment tools designed to predict violent, sexual, and criminal outcomes. Data are no (%) of samples unless stated otherwise. SD=standard deviation
| Category and group | Violent (n=30) | Sexual (n=20) | Criminal (n=23) |
|---|---|---|---|
| Source of study | |||
| Journal article | 21 (70) | 18 (90) | 18 (78) |
| Conference | 4 (13) | 0 | 0 |
| Dissertation | 4 (13) | 2 (10) | 3 (13) |
| Government report | 1 (3) | 0 | 2 (8) |
| Tool information | |||
| Type of tool | |||
| Actuarial | 9 (30) | 16 (80) | 23 (100) |
| Structured clinical judgment | 21 (70) | 4 (20) | 0 |
| Tool used | |||
| HCR-20 | 9 (30) | — | – |
| LSI-R | — | — | 11 (48) |
| PCL-R | — | — | 12 (52) |
| SARA | 3 (10) | — | — |
| SAVRY | 9 (30) | — | — |
| SORAG | — | 3 (15) | — |
| Static-99 | — | 13 (65) | — |
| SVR-20 | — | 4 (20) | — |
| VRAG | 9 (30) | — | — |
| Demographic (mean (SD) in sample) | |||
| Male participants (no) | 137 (98) | 519 (713) | 409 (590) |
| White participants (no) | 92 (49) | 201 (185) | 213 (165) |
| Age (years) | 28.3 (10.0) | 39.7 (4.0) | 35.2 (4.6) |
| Study design | |||
| Sample size (mean (SD)) | 148 (94) | 510 (681) | 439 (720) |
| Assessment setting | |||
| Correctional | 9 (30) | 12 (60) | 21 (91) |
| Forensic psychiatric | 11 (37) | 6 (30) | 0 |
| General psychiatric | 5 (17) | 0 | 0 |
| Mixed | 3 (10) | 1 (5) | 2 (9) |
| Unstated or unclear | 2 (7) | 1 (5) | 0 (0) |
| Location of outcome | |||
| Community | 21 (70) | 18 (90) | 22 (96) |
| Intra-institutional | 6 (20) | 0 | 1 (4) |
| Mixed | 3 (10) | 2 (10) | 0 |
| Temporal design | |||
| Prospective | 12 (40) | 5 (25) | 14 (61) |
| Retrospective | 17 (57) | 15 (75) | 9 (39) |
| Not stated or unclear | 1 (3) | 0 | 0 |
| Length of follow-up (months; mean (SD)) | 39.4 (29.6) | 82.4 (50.4) | 33.9 (24.8) |
| Source of outcome | |||
| Criminal register | 16 (53) | 17 (85) | 17 (74) |
| Institutional records | 6 (20) | 0 | 1 (4) |
| Collateral report | 2 (7) | 0 | 0 |
| Mixed | 6 (20) | 3 (15) | 5 (22) |