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The Italian version of the Zarit Burden interview: a validation study
Rabih Chattat1, Valeria Cortesi, Fabio Izzicupo
1Department of Psychology, University of Bologna, Italy.
International Psychogeriatrics
|January 6, 2011
Summary
The Italian Zarit Burden Interview (I-ZBI) is a reliable and valid tool for assessing caregiver burden in dementia. Its five-factor structure differs from the original, aiding research into subjective burden.
Area of Science:
- Gerontology
- Psychometrics
- Neuroscience
Background:
- Caregiving for individuals with dementia can negatively impact caregiver well-being.
- The Zarit Burden Interview (ZBI) is a key tool for measuring caregiver burden.
- Evaluating the Italian version of the ZBI (I-ZBI) is crucial for its clinical application.
Purpose of the Study:
- To assess the psychometric properties of the Italian version of the Zarit Burden Interview (I-ZBI).
- To validate the I-ZBI for use in Italian clinical and research settings.
Main Methods:
- Administered the I-ZBI to 273 caregivers of dementia patients.
- Utilized General Health Questionnaire (GHQ-12), Hospital Anxiety and Depression Scale (HADS), and Symptom Checklist-90-Revised (SCL-90-R) for construct validity.
- Evaluated reliability, validity, and factor structure of the I-ZBI.
Main Results:
- The I-ZBI demonstrated high internal consistency (α = 0.90) and good split-half reliability (0.78).
- The instrument showed good concurrent validity with established assessment tools.
- A five-factor solution was identified for the I-ZBI, diverging from the original bi-factorial structure.
Conclusions:
- The Italian Zarit Burden Interview (I-ZBI) is a valid, reliable, and clinically useful instrument.
- Findings support the use of I-ZBI in research to enhance understanding of caregiver burden in dementia.
- Further clarification of the ZBI's factorial structure is recommended to advance research in subjective burden.
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