Past-year use of alcohol (73.0%), cocaine (65.8%), cannabis (54.0%), and sedatives (45.5%) was more prevalent than use of amphetamines (17.0%), hallucinogens (6.3%), or inhalants (1.2%). Overall, 22.7% met criteria for cocaine dependence, and lower proportions met criteria for dependence on alcohol (8.5%), cannabis (6.0%), amphetamines (3.9%), sedatives (3.5%), hallucinogens (0.2%), and inhalants (0%). Among the subset that used the substance in the past year (Table 2), conditional rates of substance-specific dependence were higher among cocaine (34.6%) and amphetamine (23.1%) users than among alcohol (11.6%), cannabis (11.1%), sedative (7.6%), or hallucinogen (3.5%) users.
