Table 1. Sample Demographics.
General characteristics | |
No. male (female) | 17 (9) |
Age (mean (SD)) | 25.92 (7.84) |
Handedness | 1 left handed |
Years of education (mean (SD)) | 15.08 (2.04) |
Estimated IQ (mean (SD)) | 115.77 (4.47) |
Cannabis exposure | |
Age of first cannabis use | 17.08 (2.60) |
Days since last use/last exposure (mean (SD) range) | 415.02 (819±0.36) (range 1–3650) |
Total years of use (mean (SD) range) | 6.85 (±4.54) 1–18 |
Frequency of cannabis use within past 30 days (n) | No. of subjects |
0 days | 12 |
1–3 days | 3 |
4–8 days | 3 |
9–15 days | 5 |
16–29 days | 2 |
Lifetime cannabis use (total no. of exposures) | No. of subjects |
1–10 | 5 |
11–50 | 7 |
51–200 | 3 |
201–500 | 4 |
501–1000 | 3 |
>1000 | 4 |
Cannabis exposure during heaviest use (no. of exposures) | No. of Subjects |
>1 to 1 × per year | 2 |
1 × per every 3–6months | 4 |
1–3 × per month | 4 |
1–2 × per week | 4 |
3–6 × per week | 7 |
7 × per week | 5 |
Other drug exposure | |
Daily cigarette smokers (# of subjects) | 3 |
Average no. of alcoholic drinks per week (mean (SD)) | 6.01 (6.06) |
Previous recreational exposure to illicit drugs other than cannabis | No. of subjects |
None | 11 |
Hallucinogens | 12 |
Stimulants | 10 |
Opiates | 3 |
Inhalants | 2 |
None of the subjects met criteria for abuse or dependence of the above illicit substances.