Table 4.
Group Characteristics Correctly Classified Offenders, and Three Types of Incorrectly Classified Offenders (N = 541).
| Correctly classified (n = 239) |
Incorrectly classified, incorrect allocation (n = 72) |
Incorrectly classified, incorrect nonallocation (n = 129) |
Incorrectly classified, incorrect treatment type (n = 101) |
Total (N = 541) | Significance | |
|---|---|---|---|---|---|---|
| M (SD)/% | M (SD)/% | M (SD)/% | M (SD)/% | M (SD)/% | ||
| Offender characteristics | ||||||
| Age (in years) | 29.9 (10.8) | 31.4 (12.0) | 29.2 (10.3) | 29.2 (8.4) | 29.8 (10.4) | |
| Ethnicity (native) | 55.2 | 58.3 | 62.0 | 56.4 | 57.5 | |
| Offense type (nonviolent offense) | 30.4 | 23.9 | 45.7 | 50.5 | 37.0 | ***1/3 1/4 2/3 2/4 |
| Risk factors | ||||||
| Offending history and current offense (0-50) | 17.0 (13.0) | 19.7 (13.0) | 19.3 (12.2) | 21.6 (13.0) | 18.8 (12.9) | *1/4 |
| Accommodation (0-12) | 3.9 (4.2) | 5.9 (4.2) | 3.5 (4.0) | 3.8 (4.0 | 4.0 (4.2) | **1/2 2/3 2/4 |
| Education, work and training (0-20) | 8.4 (6.8) | 11.7 (7.2) | 9.8 (6.3) | 9.6 (5.8) | 9.4 (6.6) | **1/2 2/4 |
| Financial management and income (0-12) | 4.5 (3.7) | 6.1 (3.9) | 4.5 (3.8) | 6.1 (3.6) | 5.0 (3.8) | ***1/2 1/4 2/3 |
| Relationships with partner and relatives (0-6) | 2.5 (1.9) | 3.6 (1.9) | 2.6 (1.5) | 2.4 (1.4) | 2.7 (1.7) | ***1/2 2/3 2/4 |
| Relationships with friends and acq. (0-15) | 6.0 (4.6) | 7.5 (4.7) | 6.2 (4.1) | 6.8 (4.0) | 6.4 (4.4) | |
| Drug misuse (0-15) | 4.7 (5.4) | 7.4 (5.7) | 5.4 (4.9) | 7.2 (4.4) | 5.7 (5.2) | ***1/2 1/4 2/3 3/4 |
| Alcohol misuse (0-5) | 1.4 (1.9) | 2.0 (2.1) | 1.6 (1.8) | 1.9 (1.7) | 1.6 (1.9) | |
| Emotional well-being (0-6) | 2.2 (1.8) | 3.1 (1.9) | 2.0 (1.5) | 2.0 (1.3) | 2.2 (1.7) | ***1/2 2/3 2/4 |
| Thinking and behavior (0-12) | 7.4 (3.4) | 9.2 (3.1) | 7.8 (2.8) | 8.6 (2.2) | 7.9 (3.1) | ***1/2 1/4 2/3 3/4 |
| Attitudes and orientation (0-15) | 5.6 (4.8) | 8.1 (5.3) | 6.7 (4.3) | 6.8 (3.9) | 6.4 (4.6) | **1/2 1/3 1/4 2/3 |
| Organizational circumstances | ||||||
| Prison sentence (in days) | 774.3 (1083.3) | 610.0 (720.5) | 572.4 (855.2) | 571.4 (624.8) | 666.4 (916.8) | |
| Prison crowding rate | 92.1 (10.2) | 94.4 (6.0) | 93.2 (9.6) | 92.5 (10.9) | 97.9 (9.8) | |
| Rehabilitation staff/detainee ratio | 115.3 (67.0) | 103.8 (52.7) | 113.7 (70.9) | 108.3 (67.7) | 112.1 (66.5) | |
| Cognitive skill training available (no) | 79.1 | 81.9 | 80.6 | 88.1 | 81.5 | |
| Lifestyle training available (no) | 76.6 | 81.9 | 78.3 | 83.2 | 78.9 | |
*
p < .05. **p < .01. ***p < .001.