Table 2 Participant characteristics comparing group completers with non-completers at Time 1
From: A multi-site controlled trial of a cognitive skills program for mentally disordered offenders
|  | Group completers N M (SD) | Non-completers N M (SD) | χ 2 (df = 1) | ||
|---|---|---|---|---|---|
Security Level | 52 | Medium = 33 Low = 19 | 15 | Medium = 9 Low = 6 | .06 |
| Â | Â | Â | Â | Â | t-value |
Mean Age | 52 | 34.88 (8.77) Range = 20-62 | 15 | 31.60 (7.35) Range = 19-46 | 1.32 |
Mean number of previous admissions ~ | 41 | 3.78 (3.56) Range = 0-13 | 12 | 5.42 (4.34) Range = 0-12 | −1.33 |
Mean number of previous convictions ~ | 46 | 6.95 (14.72) Range = 0-93 | 11 | 8.31 (9.16) Range = 0-30 | −0.31 |
PMI Total Score | 52 | 11.42 (3.14) | 15 | 10.53 (3.89) | 0.92 |
MVQ Total Score | 52 | 16.46 (12.66) | 15 | 15.53 (12.86) | 0.25 |
SPSI-RS Total Score | 52 | 11.30 (2.91) | 15 | 13.09 (2.62) | −2.14* |
NAS-PI Total Score | 52 | 82.81 (21.27) | 15 | 81.13 (18.25) | 0.28 |
LoC Score | 52 | 16.77 (5.42) | 15 | 13.93 (4.43) | 1.85 |
DBSP Total Score | 52 | 37.48 (10.13) | 15 | 40.40 (10.08) | −1.10 |