Controls (n = 55) | CUD (n = 129) | Statistics | p-value | |
---|---|---|---|---|
Sociodemographic | ||||
Age (years) – mean (SD) | 26 (8.19) | 30.43 (7.86) | t = 3.47 | 0.001 |
Ethnicity (white) – % (n) | 53.4 (69) | 66.6 (37) | χ2 = 3.53 | 0.316 |
Income (R$) – mean (SD) | 2697.8 (2431.4) | 2017.1 (2663.5) | t = 1.63 | 0.103 |
Years of formal education – mean (SD) | 12.55 (4.28) | 8.99 (3.71) | t = 5.71 | 0.001 |
Marital status (single) – % (n) | 53.6 (30) | 53.5 (69) | χ2 = 0.001 | 0.992 |
Previous detention – % (n) | 1.8 (1) | 20.2 (26) | χ2 = 10.57 | 0.001 |
Number of psychiatric hospitalizations – mean (SD) | 0.05 (0.29) | 1.42 (2.77) | t = 3.68 | 0.001 |
Craving for chocolate – mean (SD) | 6.26 (2.87) | 7.12 (2.90) | t = 1.84 | 0.066 |
Patterns of alcohol use | ||||
Reported consumption – % (n) | 87 (48) | 96 (124) | χ2 = 8.42 | 0.015 |
Age of drug experimentation (year) – mean (SD) | 15.19 (3.06) | 14.25 (3.74) | t = 1.53 | 0.126 |
Patterns of tobacco use | ||||
Reported consumption – % (n) | 57 (31) | 100 (129) | χ2 = 47.76 | 0.001 |
Age of drug experimentation (year) – mean (SD) | 16.43 (5.35) | 13.67 (3.09) | t = 3.75 | 0.009 |
Patterns of cannabis use | ||||
Reported consumption – % (n) | 23 (13) | 72 (94) | χ2 = 88.83 | 0.001 |
Age of drug experimentation (year) – mean (SD) | 16.23 (2.04) | 17.70 (11.77) | t = 0.44 | 0.655 |
Drug use over time (days) – mean (SD) | 169.82 (801) | 2744.67 (2865) | t = 9.35 | 0.001 |
Patterns of cocaine use | ||||
Reported consumption – % (n) | – | 100 (129) | χ2 = 93.93 | 0.001 |
Age of drug experimentation (year) – mean (SD) | – | 19.1 (5.77) | ||
Drug use over time (days) – mean (SD) | – | 3571.62 (1931) | ||
Only snorted cocaine consume - % (n) | 13 (10%) | |||
Only smoked cocaine consume - % (n) | 7 (5%) | |||
Combined smoked and snorted cocaine consume - % (n) | 109 (85%) |