| Incidence | Age | Gender | BrAC reading | |||
---|---|---|---|---|---|---|---|
% (N) | \(\overline{x}\)(SD; N) | Range | Male % (N) | Female % (N) |  ≥ .000 \(\overline{x}\) (SD; Median; N) |  ≥ .001 \(\overline{x}\) (SD; Median; N) | |
Drug used | |||||||
MDMA | 45.21 (118) | 21.49 (4.00; 117) | 18–41 | 65.25 (77) | 34.75 (41) | .075 (.053; .067; 118) | .083 (.049; .080; 106) |
Cannabis | 38.31 (100) | 21.44 (3.72; 100) | 18–33 | 62.00 (62) | 38.00 (38) | .065 (.054; .052; 100) | .075 (.051; .065; 87) |
Cocaine | 11.49 (30) | 22.73 (3.93; 30) | 18–33 | 76.67 (23) | 23.33 (7) | .099 (.058; .105; 30) | .110 (.050; .109; 37) |
Amphetamines | 6.90 (18) | 21.76 (3.46; 17) | 19–29 | 77.78 (14) | 22.22 (4) | .045 (.045; .039; 18) | .068 (.038; .062; 12) |
Hallucinogens | 2.30 (6) | 22.67 (5.09; 6) | 18–29 | 50.00 (3) | 50.00 (3) | .037 (.046; .027; 6) | .074 (.036; .053; 3) |
Heroin | 2.30 (6) | 21.83 (4.88; 6) | 18–29 | 100.00 (6) | 0.00 (0) | .059 (.051; .052; 6) | .059 (.051; .052; 6) |
Sedatives | 2.30 (6) | 22.33 (3.33; 6) | 20–29 | 83.33 (5) | 16.67 (1) | .047 (.043; .033; 6) | .057 (.041; .043; 5) |
Other | 9.20 (24) | 21.46 (3.24; 24) | 18–31 | 62.50 (15) | 37.50 (9) | .081 (.065; .068; 24) | .097 (.059; .104; 20) |
Did not specify | 6.51 (17) | 23.00 (7.70; 17) | 18–37 | 76.47 (13) | 23.53 (4) | .084 (.037; .075; 17) | .084 (.037; .075; 17) |
Method of use | |||||||
Single-drug user | 76.63 (200) | 22.12 (4.16; 198) | 18–41 | 65.50 (131) | 34.50 (69) | .075 (.056; .065; 200) | .085 (.052; .080; 177) |
Multi-drug user | 16.86 (44) | 20.89 (3.06; 44) | 18–29 | 63.64 (28) | 36.36 (16) | .066 (.054; .056; 44) | .083 (.048; .083; 35) |
Drug use overall | |||||||
Yes | 5.53 (261) | 21.97 (4.13; 259) | 18–41 | 65.90 (172) | 34.10 (89) | .074 (.055; .065; 261) | .084 (.050; .080; 229) |
No | 94.47 (4462) | 22.74 (6.27; 4448) | 16–64 | 51.19 (2284) | 48.81 (2178) | .055 (.051; .047; 4462) | .075 (.047; .068; 3288) |
Total | 100.00 (4723) | 22.70 (6.18; 4707) | 16–64 | 52.00 (2456) | 48.00 (2267) | .056 (.052; .048; 4723) | .076 (.047; .069; 3517) |