Table 1.
Descriptive Statistics on Sample
| Study | A | B | C | D | Total | χ2 | df | p |
|---|---|---|---|---|---|---|---|---|
| (N=37) | (N=60) | (N=48) | (N=13) | (N=158) | ||||
| n (%) | n (%) | n (%) | n (%) | n (%) | ||||
| Number (%) female | 11 (29.7) | 17 (28.3) | 11(22.9) | 4 (30.8) | 43 (27.2) | 0.69 | 3 | .88 |
| Race* | ||||||||
| White | 12 (32.4) | 28 (46.7) | 31 (64.6) | 2 (15.4) | 73 (46.2) | 21.20 | 9 | .01 |
| Black | 20 (54.1) | 27 (45.0) | 13 (27.1) | 8 (61.5) | 68 (43.0) | |||
| Hispanic | 4 (10.8) | 2 (3.3) | 4 (8.3) | 3 (23.1) | 13 (8.2) | |||
| Other | 1 (2.7) | 3 (5.0) | 0 | 0 | 4 (2.5) | |||
| Married | 3 (8.1) | 19 (31.7) | 11 (22.9) | 7 (53.8) | 40 (25.3) | 12.82 | 3 | .01 |
| Employed full or part time | 18 (48.6) | 21 (35.0) | 17 (35.4) | 10 (76.9) | 66 (41.8) | 9.25 | 3 | .03 |
| Completed High School | 28 (75.7) | 52 (86.7) | 39 (81.3) | 9 (69.2) | 128 (81.0) | 3.11 | 3 | .38 |
| Prompted or referred by criminal justice system | 6 (22.2) | 4 (7.1) | 12 (27.9) | 5 (38.5) | 27 (19.4) | 10.52 | 3 | .02 |
| On public assistance | 11 (29.7) | 20 (33.3) | 7 (14.6) | 6 (46.2) | 44 (27.8) | 7.34 | 3 | .06 |
| Alcohol use disorder (lifetime) | 36 (100) | 28 (71.8) | 37 (77.1) | 9 (69.2) | 110 (80.9) | 12.18 | 3 | .01 |
| Depression (lifetime) | 8 (22.2) | 14 (23.3) | 7 (15.2) | 5 (38.5) | 34 (21.9) | 3.36 | 3 | .34 |
| Anxiety disorder (lifetime) | 2 (5.6) | 3 (5.0) | 10 (20.8) | 2 (15.4) | 17 (10.8) | 8.40 | 3 | .04 |
| Antisocial personality disorder | 16 (61.5) | 4 (6.7) | 20 (43.5) | 4 (30.8) | 44 (30.3) | 31.64 | 3 | .00 |
| M(SD) | M(SD) | M(SD) | M(SD) | M(SD) | F | df | p | |
| Percentage CBT sessions attended | 67.8 (31.6) | 56.9 (31.6) | 76.9 (28.4) | 73.1 (23.9) | 66.9 (31.0) | 4.15 | 3,154 | .01 |
| Percentage of homework | 43.9 (31.4) | 31.9 (32.0) | 46.0 (29.5) | 57.6 (40.2) | 41.1 (32.5) | 3.30 | 3,154 | .02 |
| Percentage days cocaine abstinence during treatment | 83.6 (20.5) | 77.0 (24.4) | 73.8 (31.4) | 88.8 (16.0) | 78.6 (25.6) | 1.82 | 3,151 | .15 |
Note. Results that are statistically different across studies with p < .05 are presented in bold text.
*
Low count per cell.