Table 2.
Descriptive Sample Characteristics of Cannabis Users and Nonusers
All Subjects (N=34,653) | |||
---|---|---|---|
Characteristics | % | 95% CI | |
Cannabis use (lifetime) | |||
No use | 77.53 | 76.46 | 78.58 |
Use | 12.82 | 12.15 | 13.52 |
Abuse | 7.91 | 7.42 | 8.42 |
Dependence | 1.74 | 1.53 | 1.97 |
Cannabis use (past-year) | |||
No use | 95.43 | 95.05 | 95.78 |
Use | 2.97 | 2.71 | 3.25 |
Abuse | 1.23 | 1.07 | 1.40 |
Dependence | 0.37 | 0.29 | 0.49 |
Schizophrenia or a psychotic illness or episode | 3.12 | 2.80 | 3.47 |
Schizotypal personality disorder | 3.93 | 3.63 | 4.26 |