| Men (n = 124) M (SD) | Women (n = 35) M (SD) | Test statistic t | P-value |
---|---|---|---|---|
Number of years of crack use | 4.0 (3.0) | 4.9 (3.4) | 1.547 | Â |
Number of crack rocks used per typical day | 10.1 (10.5) | 8.3 (5.9) | 0.925 | Â |
 | N (%) | N (%) | χ 2 |  |
Daily crack use [30] | 66 (53.2) | 24 (68.6) | 2.617 | 0.106 |
Main modes of crack use | Â | Â | Â | Â |
Smoking mixed crack and tobacco | 7 (5.7) | 2(5.7) | 0.0002 | 0.988 |
Smoking mixed crack and marijuana | 29 (23.4) | 1 (2.9) | 7.5154* | 0.006 |
Smoking crack using a can | 8 (6.5) | 2 (5.7) | 0.0252 | 0.874 |
Smoking crack using a plastic cup | 50(40.3) | 22 (62.9) | 5.5941* | 0.018 |
Smoking crack using a pipe | 28(22.6) | 8 (22.9) | 0.00123 | 0.972 |
Shared crack smoking implements [30]a | 72 (62.1) | 21 (60.0) | 0.0487 | 0.825 |
Other drug use [[30]]a | Â | Â | Â | Â |
Alcohol | 68 (55.7) | 9 (25.7) | 9.8100** | 0.002 |
Tobacco | 97 (78.2) | 31 (88.6) | 1.8614 | 0.172 |
Marijuana | 88 (71.5) | 18 (51.4) | 4.9936* | 0.025 |
Amphetamines or LSD | 0 (0.0) | 0 (0.0) | - | - |
Cocaine | 55 (45.8) | 4 (11.4) | 13.6049*** | 0.000 |
Benzodiazepines | 3 (2.4) | 0 (0.0) | 0.8702 | 0.351 |
Opioids | 0 (0.0) | 0 (0.0) | - | - |
Inhalants/Solvents | 4 (3.4) | 2 (5.9) | 0.4325 | 0.511 |