Alcohol Dependence Symptoms associated_with cannabis dependence

shared genetic influences played a significantly more prominent role when examining alcohol, tobacco and cannabis dependence symptoms (r=0.56-0.62)

comorbidity of alcohol and cannabis dependence symptomatology

Genetic correlation of 0.613 was found for AD and cannabis dependence symptoms.

Genetic factors were correlated at 0.613 for dependence symptomatology, showing moderate genetic overlap between alcohol and cannabis dependence symptoms.

assess the degree of overlap in genetic and environmental influences between alcohol consumption, AD symptomatology, cannabis use, and cannabis dependence symptomatology

42.4% of the variance in AD and 33.7% of the variance in cannabis dependence was attributable to a shared genetic factor (Xian et al., 2008).