Table 2 Comparison of history of legal and illegal drugs in the Powder Cocaine Users, Crack Cocaine Users and Dual Users groups and in the total sample.
From: Concurrent crack and powder cocaine users from Sao Paulo: Do they represent a different group?
Powder Cocaine Users | Crack Cocaine Users | Dual Users | Total | pvalue | ||||
|---|---|---|---|---|---|---|---|---|
Alcohol | ||||||||
<50 units/week | 92 | 58% | 40 | 73% | 299 | 63% | 431 | p > 0.05 |
>50 units/week | 66 | 42% | 15 | 27% | 175 | 37% | 256 | |
Smoking | ||||||||
yes | 117 | 74% | 46 | 85% | 425 | 88% | 588 | p > 0.001 |
no | 41 | 26% | 8 | 15% | 60 | 12% | 109 | |
Cannabis | ||||||||
never used | 11 | 7% | 6 | 11% | 8 | 2% | 25 | p > 0.0001 |
ever used | 147 | 93% | 49 | 89% | 469 | 98% | 665 | |
Solvents | ||||||||
never used | 70 | 44% | 29 | 53% | 118 | 24% | 217 | p > 0.0001 |
ever used | 88 | 56% | 26 | 47% | 367 | 76% | 481 | |
Heroin | ||||||||
never used | 153 | 97% | 54 | 98% | 459 | 94% | 666 | p > 0.05 |
ever used | 5 | 3% | 1 | 2% | 27 | 6% | 33 | |