Table 1.

Main psychiatric diagnosis categories of interest (and diagnostic hierarchy)

Main psychiatric diagnosis category	Definition	Hierarchy
Schizophrenia	Schizophrenia and other psychotic disorders including acute psychosis, persistent delusional disorders, schizotypal and schizoaffective disorder, and drug or alcohol-induced psychotic disorder	1
Bipolar disorder	Manic episodes and bipolar disorder	2
Depression	Depressive episodes and recurrent depressive disorder (excluding persistent mood disorders such as cyclothymia)	3
Neurosis	Anxiety disorders and obsessive compulsive disorder	4
Eating disorder	Anorexia and bulimia nervosa	5
Personality disorder	All types of personality disorder	6

Note: International Classification of diseases (ICD)-9 and ICD-10 codes are available on request.