| Sumario: | Abstract: Aims: This study examined the homogenous expression of DSM-5-based alcohol use disorder (AUD) latent subtypes. Method: Using data from the National Epidemiologic Survey of Alcohol and Related Conditions Wave 2 (n=22,177) the typology was established utilising latent class analysis and the model was further validated by multivariate regression on a range of covariates. Results: Three AUD classes based on a severity gradient and one non-problematic class were the most parsimonious description of the data. These classes displayed both quantitative and qualitative differences on the covariates. Conclusions: The resulting typology has high clinical utility, enhances AUD classification and adds to our understanding of AUD trajectories, prevention and treatment.
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