Abstract
Introduction. Few studies adequately capture the heterogeneity of severe mental illness (SMI) in recovery outcomes. In this study, we examine the between-person and within-person variance in the longitudinal recovery of key functional domains during a comprehensive inpatient psychiatric rehabilitation program for a severe, treatment-refractory population with SMI. Method. We reviewed clinical assessment data collected over 10 years from an inpatient psychiatric rehabilitation program in the Midwestern United States. Multilevel modeling techniques were applied to examine the between-person and within-person variance in baseline functioning, rates of change, and recovery of social functioning, neurocognition, social cognition, and the reduction of psychiatric symptoms in participants with schizophrenia-spectrum disorders (N = 180) over a 12-month period. Results. After considering heterogeneous features at admission, significant overall improvement was evident in social functioning, neurocognition, and psyc...
Published Version
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