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The prosthesis evaluation questionnaire: reliability and cross-validation of the Turkish version
Vildan Binay Safer1, Gunes Yavuzer2, Sibel Ozbudak Demir3
1Department of Physical Medicine and Rehabilitation, Istanbul Haydarpasa Numune Training and Research Hospital, Turkey.
Journal of Physical Therapy Science
|July 17, 2015
Summary
The Turkish version of the Prosthetic Evaluation Questionnaire (PEQ) is a valid and reliable tool for assessing prosthesis-related quality of life in Turkish amputees. This study confirmed its psychometric properties for the amputee population.
Area of Science:
- Rehabilitation Medicine
- Prosthetics and Orthotics
- Health Outcomes Research
Background:
- Limited validated instruments exist in Turkey for measuring prosthesis-related quality of life in amputees.
- The Prosthetic Evaluation Questionnaire (PEQ) is a widely used tool internationally.
Purpose of the Study:
- To translate the PEQ into Turkish.
- To assess the construct validity and internal consistency of the Turkish PEQ version.
- To provide a reliable measure for Turkish amputee populations.
Main Methods:
- Forward-backward translation methodology was employed for the PEQ.
- The Turkish PEQ was administered to 90 unilateral amputee patients.
- Test-retest reliability was assessed in 83 participants within a median of 28 days.
Main Results:
- Intraclass correlation coefficients ranged from 0.69 to 0.89, indicating good reliability across PEQ scales.
- Cronbach's alpha coefficients ranged from 0.64 to 0.92, demonstrating good internal consistency (except for one subscale).
- Significant correlations were found between PEQ subscales and SF-36 subscales, supporting construct validity.
Conclusions:
- The Turkish version of the PEQ demonstrates strong psychometric properties.
- It is a valid and reliable instrument for evaluating prosthesis-related quality of life in Turkish unilateral amputees.
- Facilitates improved clinical assessment and research in this population.
