The prevalence and comorbidity of mental health and substance use disorders in Scandinavian prisons 2010–2019: a multi-national register study

Table 1 Description of categorization for mental health disorders included in the study

Mental health disorder	ICD-10 Codes
Any mental disorder^a	Any of the F codes specified below
Organic mental disorder	F00-F09
Substance use disorder (SUD)^b,c	F10-F19
Schizophrenia and psychotic disorder	F20-F29
Affective disorder
Bipolar disorder and manic/hypomanic episode	F30, F31, F34.0
Depression	F32, F33, F34 (excl. F34.0), F38, F39
Neurotic, stress-related, and somatoform disorder
Anxiety disorder	F40.0, F40.1, F40.2, F41.0, F41.1
Obsessive–compulsive disorder	F42
Stress-related disorder	F43
Other disorder	F4 (excl. F40.0, F40.1, F40.2, F41.0, F41.1, F42, F43)
Disorders associated with physiological disturbances	F50-F59
Disorders of adult personality and behaviour
Dissocial personality disorder	F60.2
Emotionally unstable personality disorder	F60.3
Other disorder	F6 (excl. F60.2, F60.3)
Intellectual disability	F70-F79
Disorders of psychological development
Autism spectrum disorder	F84
Childhood onset emotional and behavioural disorder
ADHD	F90
Comorbid SUD and other mental health disorder	Any SUD combined with any other specified code

^aNot including F80-83, 88–89, F91-99
^bNot including F17: Tobacco
^cThe Danish substance class data is based on three sources of information: data from the National Patient Register (NPR), the Drug Abusers in Treatment Register (DATR), and the National Alcohol Treatment Register (NATR). For Denmark, a SUD was coded if the person had: 1) been in hospital-based care and received an F1X diagnosis, or 2) had received treatment for a substance use disorder in either DATR or NATR

ISSN: 1471-244X