| Basic knowledge on HIV/AIDS | 47 (50.5) | 8 (8.6) | 38 (40.9) |
| Overview of the harm reduction program | 47 (50.5) | 9 (9.7) | 37 (39.8) |
| New addictive substances (methamphetamine, ketamine) | 36 (38.7) | 16 (17.2) | 41 (44.1) |
| Psychotropic drugs, sleeping pills, anti-depressant | 40 (43.0) | 15 (16.1) | 38 (40.9) |
| Addictive mechanism | 38 (40.9) | 14 (15.0) | 41 (44.1) |
| Clinical pharmacology of methadone | 38 (40.9) | 16 (17.2) | 39 (41.9) |
| Regulations related to treatment and management of addictive substances | 42 (45.2) | 12 (12.9) | 39 (41.9) |
| Forms and records are used in methadone maintenance treatment program | 24 (25.8) | 23 (24.7) | 46 (49.5) |
| Tutorials on methadone management software | 23 (24.7) | 20 (21.5) | 50 (53.8) |
| Methadone treatment for smokers and alcoholics | 36 (38.7) | 10 (10.8) | 47 (51.5) |