Substance | Frequency (N = 874) | Percent (%) |
---|---|---|
Total cannabis use | 750 | 85.8 |
Pattern of cannabis use at baseline | ||
 Cannabis and Opioids | 359 | 41.1 |
 Cannabis, Benzodiazepines and Opioids | 281 | 32.1 |
 Cannabis, Barbiturates, Benzodiazepines and Opioids | 44 | 5.0 |
 Cannabis, Cocaine, Barbiturates, Benzodiazepines and Opioids | 20 | 2.3 |
 Cannabis, Barbiturates, and Opioids | 17 | 1.9 |
 Cannabis, Cocaine, Benzodiazepines and Opioids | 15 | 1.7 |
 Cannabis, Cocaine and Opioids | 10 | 1.1 |
 Cannabis, Cocaine, Barbiturates and Opioids | 2 | 0.2 |
 Cannabis, Cocaine, Benzodiazepines and Amphetamines | 1 | 0.1 |
 Cannabis, Opioids and Amphetamines | 1 | 0.1 |
 No cannabis use | 124 | 14.2 |