Table 1. Subject demographic and drug use variables.
Participant Demographics and Drug Use Variables by Group and Gender
| Cannabis Group | Control Group | ||||||
|---|---|---|---|---|---|---|---|
| Males (n=8) Mean (SD) | Females (n=8) Mean (SD) | Gender Contrasts | Males (n=8) Mean (SD) | Females (n=8) Mean (SD) | Gender Contrasts | Group Contrasts | |
| Years of Education | 13.63 (2.83) | 12.88 (1.36) | ns | 14.75 (2.71) | 12.88 (1.36) | ns | ns |
| Age at Study (years) | 27.25 (5.50) | 28.50 (4.14) | ns | 27.25 (5.18) | 27.88 (5.14) | ns | ns |
| Age at First Use of Marijuana (years) | 16.38 (2.50) | 16.75 (3.20) | ns | N/A | N/A | -- | -- |
| Duration of Daily Marijuana Use (months) | 79.50 (66.64) | 81.00 (58.35) | ns | 0 (0) | 0 (0) | ns | < .001 |
| Current Daily Use (# blunts/day) | 2.88 (1.46) | 2.75 (1.34) | ns | 0 (0) | 0 (0) | ns | < .001 |
| Estimated Lifetime Episodes of Marijuana Use | 11659.00 (1329.71) | 9193.00 (5959.63) | ns | 0 (0) | 0 (0) | ns | < .001 |
| Episodes of MDMA Use | 1.00 (2.45) | 4.38 (12.37) | ns | 0 (0) | 0 (0) | ns | ns |
| Episodes of Cocaine Use | 0 (0) | 6.25 (13.50) | ns | 0 (0) | 0 (0) | ns | ns |
Note: Group and Gender contrasts were tested by one-way ANOVAs.