| Psychological, physiological, social and health characteristics of opioid dependent patients | 33 (35.5) | 14 (15.0) | 46 (49.5) |
| Knowledge and skills essential to consultant | 31 (33.3) | 21 (22.6) | 41 (44.1) |
| Stages of behavior change and interviewing skills for motivation | 31 (33.3) | 21 (22.6) | 41 (41.1) |
| Skills to establish objectives and solve problems | 31 (33.3) | 17 (18.3) | 45 (48.4) |
| Initial assessment for methadone patients | 28 (30.1) | 17 (18.3) | 48 (51.6) |
| Educating groups for preparation before treatment | 28 (30.1) | 21 (22.6) | 44 (47.3) |
| Consulting for comprehensive assessment of adherence to treatment and psychosocial support needs | 31 (33.3) | 17 (18.3) | 45 (48.4) |
| Preventing patients from re-addiction | 41 (44.1) | 12 (12.9) | 40 (43.0) |
| Consulting for reducing risk of HIV transmission | 43 (46.2) | 12 (12.9) | 38 (40.9) |
| Management of adverse effects and harms of methadone | 38 (40.9) | 14 (15.0) | 41 (44.1) |
| Management of patients having abnormal behaviours | 31 (33.3) | 14 (15.1) | 48 (51.6) |
| Recording and using forms and medical records | 28 (30.1) | 21 (22.6) | 44 (47.3) |
| Assessment of patient’s stabilities | 42 (45.1) | 13 (14.0) | 38 (41.9) |
| Management of multi-substances abuse | 36 (38.7) | 14 (15.1) | 43 (46.2) |
| Support in reducing dose and processing to stop treatment | 37 (39.8) | 16 (17.2) | 40 (43.0) |
| Mental comorbidities | 30 (32.3) | 16 (17.2) | 47 (50.5) |