From: Mono- versus polydrug abuse patterns among publicly funded clients
Number of Substances Used | Possible Number of Drug Combinations | Number of Drug Combinations Found | Number of Admissions | |
---|---|---|---|---|
 |  |  | n | % |
1 | N/A | N/A | 35,875 | 51.3 |
2 | 36 | 35 | 20,789 | 29.8 |
3 | 84 | 67 | 10,711 | 15.3 |
4 | 126 | 68 | 1,833 | 2.6 |
5 | 126 | 46 | 478 | 0.7 |
6 | 84 | 29 | 140 | 0.2 |
7 | 36 | 13 | 47 | 0.067 |
8 | 9 | 6 | 17 | 0.024 |
9 | 1 | 1 | 1 | 0.0014 |