Table 1 Prevalence of drug positivity by drug type in drivers under and over the limit for alcohol, and weighted estimate for the population of all tested Irish drivers.
| Drug detected | Under limit n = 1000 (%) | Over limit n = 1000 (%) | Weighted analysis (population estimate for all tested Irish drivers) (%) |
|---|---|---|---|
| Cannabinoids | 209 (20.9) | 85 (8.5) | 9.5 |
| Amphetamine | 84 (8.4) | 15 (1.5) | 2.1 |
| m‐Amphetamine | 90 (9) | 20 (2) | 2.6 |
| Opiates | 69 (6.9) | 8 (0.8) | 1.3 |
| Cocaine | 25 (2.5) | 9 (0.9) | 1.0 |
| Methadone | 68 (6.8) | 6 (0.6) | 1.1 |
| Benzodiazepines | 90 (9) | 34 (3.4) | 3.9 |