Table 2. Distribution of the two groups with respect to hospitalization time and pattern of crack use.
| Variable | Experimental group (n=14) | Control group (n=17) | Total (n=31) | p-value* |
|---|---|---|---|---|
| (n = 14) | (n = 17) | (n = 31) | ||
| Days of hospitalization | 15.93 (4.7) | 13.18 (5.2) | 14.42 (5.1) | 0.10 |
| Previous hospitalizations | ||||
| No | 1 (7.1) | 6 (35.3) | 7 (22.6) | 0.99 |
| Yes | 13 (92.9) | 11 (64.7) | 24 (77.4) | |
| Number of hospitalizations | 2.64 (1.9) | 1.71 (3.1) | 2.13 (2.7) | 0.06 |
| Medication use, current | ||||
| No | 13 (92.9) | 15 (88.2) | 28 (90.3) | 0.99 |
| Yes | 1 (7.1) | 2 (11.8) | 3 (9.7) | |
| Medication use, past | ||||
| No | 14 (100.0) | 16 (94.1) | 30 (96.8) | 0.99 |
| Yes | 0 (0.0) | 1 (5.9) | 1 (3.2) | |
| Age at onset of crack use | 23.36 (7.8) | 18.59 (6.0) | 20.74 (7.2) | 0.07 |
| Quantity used (g/week) | 11.64 (8.6) | 12.65 (12.8) | 12.19 (10.9) | 0.99 |
| Frequency of use (times/week) | ||||
| 1-2 | 0 (0.0) | 1 (5.9) | 1 (3.2) | 0.99 |
| 3-4 | 3 (21.4) | 3 (17.7) | 6 (19.4) | |
| > 5 | 11 (78.6) | 13 (76.5) | 24 (77.4) |
Data presented as mean (SD) or n (%).
SD = standard deviation.
*
Mann-Whitney’s U test.