Martina Casey1, Gary Adamson, Maurice Stringer. 1. School of Psychology, University of Ulster, Magee Campus, Co. Londonderry, N. Ireland, BT48 7JL, UK. casey-M4@email.ulster.ac.uk
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.
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.
Keywords:
Addiction; Alcohol disorders; Comorbidity; DSM-5 Classification; LCA; National Epidemiologic Survey on Alcohol and Related Conditions (NESARC)