From: Mono- versus polydrug abuse patterns among publicly funded clients
 | Total Usersa | Monodrug Users | Polydrug Users |  |  | |||
---|---|---|---|---|---|---|---|---|
 | N = 69,891 | 35,875 | 51.3% | 34,016 | 48.7% | Odds Ratio | ||
Substance | n | % | n | % | n | % | ORb | 95% CI |
Alcohol | 45,318 | 64.8 | 18,078 | 39.9 | 27,240 | 60.1 | 0.664 | 0.651–0.670 |
Cocaine | 28,230 | 40.4 | 6,260 | 22.2 | 21,970 | 77.8 | 0.285 | 0.277–0.289 |
Marijuana | 24,671 | 35.3 | 4,961 | 20.1 | 19,710 | 79.9 | 0.252 | 0.244–0.256 |
Opiates | 8,652 | 12.4 | 2,492 | 28.8 | 6,160 | 71.2 | 0.405 | 0.386–0.415 |
Sedatives | 4,690 | 6.7 | 363 | 7.7 | 4,327 | 92.3 | 0.084 | 0.075–0.089 |
Amphetamines | 3,711 | 5.3 | 752 | 20.3 | 2,959 | 79.7 | 0.254 | 0.235–0.265 |
Hallucinogens | 711 | 1.0 | 42 | 5.9 | 669 | 94.1 | 0.063 | 0.046–0.074 |
Inhalants | 467 | 0.7 | 91 | 19.5 | 376 | 80.5 | 0.242 | 0.192–0.273 |
Other drugsc | 4,172 | 6.0 | 2,836 | 68.0 | 1,336 | 32.0 | 2.122 | 1.989–2.199 |