Table 2.

Demographic and clinical characteristics of the 2012 national audit sample

	Total national sample N=1591
Gender: % male/% female	67/33
Age (years): mean (SD)	43 (11)
Ethnicity (%)
White/White British	69
Black/Black British	12
Asian/Asian British	9
Mixed/other	5
Not collected	4
Not stated/declined	<1
Psychiatric diagnosis, ICD-10 code (%)
F00-F09: organic, including symptomatic, mental disorders	2
F10-F19: mental and behavioural disorders due to psychoactive substance use	1
F20–29: schizophrenia, schizotypal and delusional disorders	72
F30–39: mood (affective) disorders	13
F40–48: neurotic, stress-related and somatoform disorders	1
F50–59: behavioural syndromes associated with physiological disturbances and physical factors	<1
F60–69: disorders of adult personality and behaviour	6
F70–79: mental retardation	2
F80–89: disorders of psychological development	<1
F90–98: behavioural and emotional disorders with onset usually occurring in childhood and adolescence	<1
F99: unspecified mental disorder	<1
Not known	2

ICD-10, International Classification of Diseases 10th Revision.