Table 2.
Cannabis Availability | Cannabis Initiation | DSM-IV Symptoms of Cannabis Abuse | |
---|---|---|---|
Total genetic effects | 18 | 27 | 35 |
% Associated with cannabis initiation | - | - | 62% |
% Associated with cannabis availability | - | 3% | 2% |
Unique genetic variance | - | 97% | 36% |
Total shared environmental effects | 34 | 42 | 34 |
% Associated with cannabis initiation | - | - | 4% |
% Associated with cannabis availability | - | 96% | 92% |
Unique shared environ' variance | - | 4% | 0% |
Total non-shared environmental effects | 49 | 32 | 31 |
% Associated with cannabis initiation | - | - | 82% |
% Associated with cannabis availability | - | 3% | 3% |
Unique non-shared environ' variance | - | 97% | 16% |
1 Based on the best fitting Model 2