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Risk factors for psychiatric disturbance in children with intellectual disability.

BACKGROUND
Children with intellectual disability (ID) have a higher risk for psychiatric disturbance than their peers with normal intelligence, but research data on risk factors are insufficient and partially conflicting.


METHOD
The subjects comprised 75 children with ID aged 6-13 years. Data were obtained from case files and the following four questionnaires completed by their parents or other carers: Developmental Behaviour Checklist, American Association of Mental Deficiency (AAMD) Adaptive Behavior Scale, a questionnaire on additional disabilities, and a questionnaire on family characteristics and child development.


RESULTS
The risk of psychopathology was most significantly increased by moderate ID, limitations in adaptive behaviour, impaired language development, poor socialization, living with one biological parent, and low socio-economic status of the family.


CONCLUSIONS
The risk of psychopathology in children with ID is increased by factors related to family characteristics and child development. Identifying these factors will help diagnose and possibly prevent psychiatric disorders in these children.