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Cannabis use parameters
| Cannabis use parameter | Cannabis users mean ± SD (range) | Controls mean ± SD (range) |
|---|---|---|
| N | 24 | 22 |
| Age of first cannabis use | 15.17 ± 1.23 (13–17) | 16.36 ± 1.58 (13–19) |
| Days since last cannabis use | 30.00a (14–500) | 670.00a (120–3,000) |
| Maximum frequency of cannabis use (days/month) | 28.08 ± 4.51 (14–30) | – |
| Duration of regular cannabis use (months) | 78.38 ± 36.40 (19–144) | – |
| Lifetime amount of cannabis (g) | 1,616.5a (62–5,786) | 2a (0.1–12) |
Median.
