Table 3.
Crack cocaine and other drug use of recent crack cocaine bingers and non-bingers in a sample of African-American, HIV-positive users
| Bingers (n = 155) M (SD) | Non-bingers (n = 88) M (SD) | Test statistic t | |
|---|---|---|---|
| Crack use | |||
| Age first time smoked crack | 26.5 (8.1) | 26.4 (7.8) | 1.41 |
| Years using crack | 15.4 (6.7) | 11.4 (5.8) | 4.75*** |
| Times used crack, last 30 days | 50.6 (68.0) | 42.6 (65.2) | 0.89 |
| Times used crack, last 7 days | 15.6 (20.1) | 12.1 (17.5) | 1.35 |
| n (%) | n (%) | za | |
|---|---|---|---|
| Heaviest use | |||
| <Once a day | 27 (17.4) | 26 (29.5) | |
| Once a day | 7 (4.5) | 10 (11.4) | −10.39** |
| More than once a day | 121 (78.1) | 52 (59.1) |
| n (%) | n (%) | X2 | |
|---|---|---|---|
| Other drug use | |||
| Ever used | |||
| Marijuana | 129 (83.2) | 64 (72.7) | 3.79 |
| Alcohol | 132 (85.2) | 68 (77.3) | 2.40 |
| Powder cocaine | 82 (52.9) | 33 (37.5) | 5.34* |
| Heroin | 27 (17.4) | 11 (12.5) | 1.03 |
| Speedball | 20 (12.9) | 2 (2.3) | 7.70** |
| Methamphetamine | 13 (8.4) | 0 (0) | - |
| Codeine syrup | 45 (29.0) | 9 (10.2) | 11.48** |
| Currently using | |||
| Marijuana | 75 (48.4) | 44 (50.0) | 0.06 |
| Alcohol | 113 (72.9) | 56 (63.6) | 1.56 |
| Powder cocaine | 31 (20.0) | 12 (13.6) | 1.56 |
| Heroin | 4 (2.6) | 5 (5.7) | 1.51 |
| Speedball | 4 (2.6) | 0 (0) | - |
| Methamphetamine | 4 (2.6) | 0 (0) | - |
| Codeine syrup | 11 (7.1) | 3 (3.4) | 1.41 |
| Ever injected drugs | 67 (43.2) | 21 (23.9) | 9.11** |
| Ever in drug treatment | 111 (71.6) | 40 (45.5) | 16.33*** |
| za | |||
|---|---|---|---|
| Heaviest useb | |||
| Marijuana | −3.35** | ||
| Alcohol | −3.34** | ||
| Powder cocaine | −2.39* | ||
| Heroin | −0.18 | ||
| Speedball | −0.30 | ||
| Methamphetamine | - | ||
| Codeine syrup | −1.56 |
*
P < .05;
**
P < .01;
***
P < .001
a
Z-score is from Mann-Whitney U test
b
Five category ordinal variable for heaviest use for each of these drugs. Proportions are reported in narrative