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Critical time intervention reduces psychiatric rehospitalisation among formerly homeless individuals with psychotic diagnoses

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Question: What is the impact of critical time intervention on occurrence of rehospitalisation among formerly homeless individuals with severe and persistent mental illness?

Patients: 150 previously homeless individuals (71% male; average age 37.5 years; 62% African-American; 90% with substance abuse or dependence) with DSM-IV diagnosis of psychotic disorder (61% had a lifetime diagnosis of schizophrenia, and 35% schizoaffective disorder), living in a transitional residence at a psychiatric hospital, and planning to reside in the same city after discharge. Those who could not speak English, did not stay in a transitional residence for more than three weeknights, or could not give informed consent were excluded.

Setting: Transitional residences at two state-operated psychiatric hospitals, New York City, USA; 2002–2006.

Intervention: Critical time intervention (CTI) plus usual care versus usual care alone. CTI is a care coordination intervention aimed at preventing recurrent homelessness and other adverse outcomes. It does this by strengthening the individual's long-term ties to services, family and friends and by providing direct emotional and practical support during the transitional period. It was delivered …

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  • Sources of funding: The National Institute of Mental Health.


  • Competing interests None.