Background: Mental disorders are associated with an increased prevalence of substance use disorders (SUDs). Despite this comorbidity being firmly established, alcohol and nicotine risky use and misuse are not routinely and systematically assessed in clinical practice.
Objective: The aim of this study is to examine the prevalence of risky use of alcohol, alcohol use disorder (AUD), smoking, and nicotine use disorder in people with psychiatric diagnoses and their association with age, gender, and occupational functioning.