Descriptive psychopathology in people with mental retardation.

This article considers variables associated with the presence of a psychiatric diagnosis in those referred to a specialist mental health service for people with mental retardation (MR). Data were collected on 752 newly referred clients. The presence of a psychiatric diagnosis was assessed by two psychiatrists based on International Classification of Diseases, 10th Revision, criteria. A series of binary logistic regression analyses were conducted. Older age, mild MR, admission to an inpatient unit, referral from generic mental health services, and detention under current mental health legislation were associated with an increased presence of any psychopathology. Severe MR, the presence of epilepsy, and residence with the family were associated with a lower incidence of any psychopathology. Findings relating to specific psychiatric diagnoses on the whole supported previous research. Clear service arrangements are necessary for people with mild MR who have a high incidence of psychiatric disorders.