Demographic data of ecstasy users and control groups (n=28 in each group)
| Ecstasy users | Cannabis users1-150 | Non-users | ||
|---|---|---|---|---|
| Mean age (y) (range) | 23.25 (18–29) | 22.9 (18–31) | 23.5 (18–30) | |
| Men:women | 16:12 | 15:13 | 17:11 | |
| Level of education | ||||
| (1) | No school leaving examination/at least 9 years of education | 1 | 0 | 0 |
| (2) | Basic school leaving examination after form 9 (Hauptschulabschluβ) | 2 | 2 | 0 |
| (3) | Intermediate school leaving examination after form 10 (Realschule/ mittlere Reife) | 8 | 5 | 8 |
| (4) | Highest school leaving examination qualifying for admission to college/university after form 12 or 13 (Fachabitur/Abitur) | 16 | 20 | 20 |
| (5) | University degree (Hochschulabschluβ) | 1 | 1 | 0 |
↵1-150 Cannabis users=persons who were matched for cannabis use with the ecstasy users.