Table 1

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

Key demographic and clinical characteristicsTotal national sample, N=5654
Gender
 Male3445 (61%)
Ethnicity
 White/White British4590 (81%)
 Black/Black British194 (3%)
 Asian/Asian British273 (5%)
 Mixed or other597 (10%)
Age
 Mean age in years (SD)41.2 (15.3)
Age bands (years)
 <1644 (1%)
 16–251004 (18%)
 26–351262 (22%)
 36–45946 (17%)
 46–551234 (22%)
 56–65785 (14%)
 66 and over379 (7%)
Severity of intellectual disability
 Mild2973 (53%)
 Moderate1531 (27%)
 Severe1150 (20%)
Current ICD10 diagnoses*
 F00–F09257 (5%)
 F10–F19138 (2%)
 F20–F291005 (18%)
 F30–F391332 (24%)
 F40–F48566 (10%)
 F50–F5929 (1%)
 F60–F69355 (6%)
 F80–F891592 (28%)
 F90–F98378 (7%)
 F9911 (<1%)
Documented psychiatric diagnoses
 None of the above1376 (24%)
 One of the above3061 (54%)
 Multiple1217 (21%)
Epilepsy
 Diagnosis documented1328 (24%)
Clinical care setting
 ID community team4495 (80%)
 Forensic inpatient458 (8%)
 Specialist ID inpatient403 (7%)
 General adult community team209 (4%)
 Continuing care/rehabilitation66 (1%)
 General adult acute ward23 (<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.