Schizophrenia in children, adults and older people with intellectual disability compared with the general population: a Swedish register study (IDcare)
BACKGROUND: The knowledge about the prevalence of schizophrenia among people with intellectual disabilities (ID) is sparse, particularly concerning the distribution in different age groups.AIMS: To investigate the prevalence of diagnoses in the schizophrenia spectrum among people with ID compared with the general population (gPop).METHODS: This was an 8-year longitudinal register study. The partic