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Underdiagnosis using SCIDR in the homeless mentally ill
J J Parks1, G Kmetz, J R Hillard
1Department of Psychiatry, University of Missouri-Columbia.
The Psychiatric Quarterly
|January 1, 1995
Summary
Structured interviews like the SCID can accurately identify mental illness in homeless individuals. However, a negative diagnosis may not rule out past mental health issues, limiting treatment planning.
Area of Science:
- Psychiatry
- Mental Health Research
- Homelessness Studies
Background:
- Growing research on mental illness in homeless populations.
- Increasing use of structured diagnostic interviews.
Purpose of the Study:
- To examine the diagnostic sensitivity of the Structured Clinical Interview for DSM III R Diagnosis (SCID-R) for major mental illness among the homeless.
- To assess the accuracy of SCID-R in diagnosing mental health conditions in this population.
Main Methods:
- Comparison of SCID-R interviews with hospital chart diagnoses.
- Study involved twenty-three homeless individuals.
Main Results:
- The SCID-R demonstrated high positive predictive value, accurately identifying positive diagnoses.
- The SCID-R showed low negative predictive power, failing to accurately rule out mental illness history.
- Single-point interviews are insufficient for diagnosing past mental health conditions.
Conclusions:
- The SCID-R is effective in identifying current mental illness but less reliable for excluding past conditions in the homeless.
- Relying solely on single-time diagnostic interviews may lead to underdiagnosis of past mental illness and inaccurate treatment needs assessment.
- Further research is needed to develop more comprehensive diagnostic approaches for the homeless population.