Table 1.

Demographic and clinical characteristics of the total patient sample (n=5654)

Key demographic and clinical characteristics	Total national sample, N=5654
Gender
Male	3445 (61%)
Ethnicity
White/White British	4590 (81%)
Black/Black British	194 (3%)
Asian/Asian British	273 (5%)
Mixed or other	597 (10%)
Age
Mean age in years (SD)	41.2 (15.3)
Age bands (years)
<16	44 (1%)
16–25	1004 (18%)
26–35	1262 (22%)
36–45	946 (17%)
46–55	1234 (22%)
56–65	785 (14%)
66 and over	379 (7%)
Severity of intellectual disability
Mild	2973 (53%)
Moderate	1531 (27%)
Severe	1150 (20%)
Current ICD10 diagnoses*
F00–F09	257 (5%)
F10–F19	138 (2%)
F20–F29	1005 (18%)
F30–F39	1332 (24%)
F40–F48	566 (10%)
F50–F59	29 (1%)
F60–F69	355 (6%)
F80–F89	1592 (28%)
F90–F98	378 (7%)
F99	11 (<1%)
Documented psychiatric diagnoses
None of the above	1376 (24%)
One of the above	3061 (54%)
Multiple	1217 (21%)
Epilepsy
Diagnosis documented	1328 (24%)
Clinical care setting
ID community team	4495 (80%)
Forensic inpatient	458 (8%)
Specialist ID inpatient	403 (7%)
General adult community team	209 (4%)
Continuing care/rehabilitation	66 (1%)
General adult acute ward	23 (<1%)

*ICD10 codes and diagnoses: F00–F09—organic, including symptomatic, mental disorders; F10–F19—Mental and behavioural disorders due to psychoactive substance use; F20–F29—schizophrenia, schizotypal and delusional disorders; F30–F39—mood (affective) disorders; F40–F48—neurotic, stress-related and somatoform disorders; F50–F59—behavioural syndromes associated with physiological disturbances and physical factors; F60–F69—disorders of adult personality and behaviour; F80–F89—disorders of psychological development; F90–F98—behavioural and emotional disorders with onset occurring in childhood and adolescence; F99—unspecified mental disorder.