| http://www.w3.org/ns/prov#value | - Offspring reporting that they thought their mother or father were ever excessive drinkers or that drinking ever caused their mother or father to have problems with health, school, family, police or other problems were coded as having a parent who was a problem/excessive drinker.As previously described in our analyses of environmental risk factors for cannabis abuse/dependence (Scherrer et al. 2008
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