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[Chinese Polarity Inventory: its adaptation to our setting]
P Benavent1, P Alvarez, J M García-Valls
1Servicio de Psiquiatría, Hospital Universitario La Fe, Valencia. pibenavent@hotmail.com
Actas Espanolas De Psiquiatria
|November 6, 2004
Summary
The Chinese Polarity Inventory (CPI) is a valid self-report tool for assessing bipolar disorder across all illness phases. This validated scale offers rapid assessment for clinical and research purposes.
Area of Science:
- Psychiatry
- Psychometrics
- Mental Health Assessment
Background:
- The Chinese Polarity Inventory (CPI) is a self-report scale designed for bipolar disorder assessment.
- It comprises two subscales: mania and depression, each with 20 items.
Purpose of the Study:
- To translate, adapt, and validate the CPI for use in a new context.
- To evaluate the psychometric properties of the adapted CPI.
Main Methods:
- The CPI was administered to 123 patients with bipolar disorder (manic, depressed, remission, mixed states) and 30 controls.
- Internal consistency was measured using Cronbach's alpha.
- Validity was assessed by correlating CPI scores with the Clinician Administered Rating Scale for Mania (CARS-M) and the Hamilton scale.
Main Results:
- The adapted CPI demonstrated good psychometric qualities.
- High internal consistency was found: Cronbach's alpha was 0.90 for the manic scale and 0.92 for the depression scale.
- Significant correlations were observed between the CPI manic scale and CARS-M (r=0.82), and the CPI depression scale and Hamilton scale (r=0.67).
Conclusions:
- The CPI is a rapid, easily administered self-report instrument for bipolar disorder.
- Its utility spans the entire course of illness, suitable for clinical practice, research, and treatment response assessment.