Table 1. Summary of ENIGMA Addiction Working Group Datasets as of February 2015.
| Substance | Pattern of Use | Cases | Female Cases | Cases and Controls |
|---|---|---|---|---|
|
| ||||
| Alcohol | Occasional | 150 | 75 | 150 |
| Dependent | 1695 | 560 | 2124 | |
| Abstinent | 61 | 24 | 177 | |
| Nicotine | Occasional | 0 | 0 | 0 |
| Current | 1132 | 385 | 1797 | |
| Abstinent | 10 | 0 | 10 | |
| Cannabis | Occasional | 91 | 30 | 213 |
| Dependent | 238 | 33 | 348 | |
| Abstinent | 17 | 7 | 34 | |
| Stimulants | Occasional | 175 | 69 | 228 |
| Dependent | 906 | 182 | 1408 | |
| Abstinent | 68 | 9 | 108 | |
| Gambling | Occasional | 0 | 0 | 0 |
| Dependent | 59 | 0 | 187 | |
| Abstinent | 0 | 0 | 0 | |
| Heroin | Occasional | 0 | 0 | 0 |
| Dependent | 0 | 0 | 0 | |
| Abstinent | 38 | 15 | 70 | |
| Cohort | – | – | 6445 | |
| Totals | 4640 | 1389 | 13,299 | |