| Substance | HEALTH CLINIC AU2, Selangor (n = 26) | HEALTH CLINIC Tampin, N.Sembilan (n = 26) | HEALTH CLINIC WakafBaru, Kelantan (n = 25) | HEALTH CLINIC Kota Sentosa, Sarawak (n = 25) | HEALTH CLINIC Kuala Perlis, Perlis (n = 23) | Total (n = 125) |
| a) Tobacco | 26 (100.0) | 26 (100.0) | 25 (100.0) | 25 (100.0) | 23 (100.0) | 125 (100.0) |
| b) Alcohol | 26 (100.0) | 21 (80.8) | 24 (96.0) | 14 (56.0) | 18 (78.3) | 103 (82.4) |
| c) Cannabis | 25 (96.2) | 15 (57.7) | 25 (100.0) | 5 (20.0) | 17 (73.9) | 87 (69.6) |
| d) Cocaine | 4 (15.4) | 4 (15.4) | 1 (4.0) | 1 (4.0) | 7 (30.4) | 17 (11.3) |
| e) ATS | 22 (84.6) | 16 (61.5) | 24 (96.0) | 3 (12.0) | 17 (73.9) | 82 (54.3) |
| f) Inhalants | 5 (19.2) | 6 (23.1) | 16 (64.0) | 2 (8.0) | 5 (21.7) | 34 (22.5) |
| g) Sedatives | 11 (42.3) | 5 (19.2) | 16 (64.0) | 3 (12.0) | 11 (47.8) | 46 (30.5) |
| h) Hallucinogens | 9 (34.6) | 11 (42.3) | 24 (96.0) | 0 (0.0) | 10 (43.5) | 54 (35.8) |
| i) Opioids | 26 (100.0) | 26 (100.0) | 25 (100.0) | 1 (4.0) | 23 (100.0) | 101 (66.9) |
| j) Other | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |