Abstract
This study examines associations between premorbid adjustment and comorbid disorders in individuals at ultra-high risk (UHR) for psychosis. Premorbid social and academic adjustment data were collected from 146 UHR individuals using the Premorbid Adjustment Scale. Comorbid disorders were determined by the Structural Clinical Interview for DSM-IV. Logistic regressions showed lower premorbid social adjustment associated with personality disorders. Lower premorbid academic adjustment associated with affective disorders. More specifically, poor premorbid social adjustment in early and late adolescence associated with personality disorders. Lower premorbid social adjustment in late adolescence and lower premorbid academic adjustment in early adolescence associated with affective disorders. Partly corroborating evidence from schizophrenia samples, our findings suggest that poor premorbid adjustment relate to distinct comorbid disorders in UHR individuals. If replicated, it indicates that premorbid adjustment deficits may be a key area for targeted interventions improving the clinical prognosis of UHR individuals.
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