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Predicting schizophrenic relapse: a comparison of two measures.
The Australian and New Zealand Journal of Psychiatry
|March 1, 1986
Summary
The Parental Bonding Instrument (PBI) can help predict schizophrenia relapse in patients returning home. This self-report measure offers a practical alternative to the time-consuming expressed emotion (EE) assessment for identifying high-risk individuals.
Area of Science:
- Psychiatry
- Clinical Psychology
- Schizophrenia Research
Background:
- Parental environment significantly influences schizophrenia relapse risk.
- Expressed Emotion (EE) is an objective but time-intensive measure for assessing risk.
- The Parental Bonding Instrument (PBI) is a brief, self-report measure suitable for clinical use.
Purpose of the Study:
- To compare the predictive power of EE and PBI in schizophrenia relapse.
- To evaluate the sensitivity, specificity, and diagnostic utility of both measures.
- To determine if PBI can serve as a clinical aid for predicting relapse.
Main Methods:
- Analysis of representative studies examining schizophrenia patients discharged to families.
- Assessment of EE and PBI in predicting patient rehospitalisation.
- Calibration of modified PBI cut-off scores against relapse data.
Main Results:
- The PBI demonstrated potential utility in predicting relapse.
- Modified PBI cut-off scores were calibrated against rehospitalisation data.
- Both measures were assessed for diagnostic power.
Conclusions:
- The PBI is a potentially useful clinical tool for predicting relapse in schizophrenic patients returning to the family environment.
- The PBI offers a practical and efficient method for risk assessment compared to EE.