Properties of the CP-QOL-PCQ to measure health-related quality of life in children and adolescents with cerebral palsy in Argentina
DOI:
https://doi.org/10.31053/1853.0605.v80.n3.40042Keywords:
cerebral palsy, disabled children, adolescence, surveys and questionnaires, reliability and validityAbstract
Introduction: The impact of cerebral palsy (CP) on quality of life requires the incorporation of subjective assessments of health, functional status, and well-being. A specific health-related quality of life (HRQoL) measure for CP is the Australian CP-QOL questionnaire, whose version for caregivers (PCQ) was adapted in Argentina. This study aimed to achieve the final structure and evaluate the reliability and validity of the CP-QOL-PCQ for the Argentine child and adolescent population.
Methods: 100 caregivers of people from 3 to 24 years old with a diagnosis of CP from Argentina participated. In addition to the CP-QOL-PCQ, the KIDSCREEN-27 questionnaire was applied. Analysis of response distributions of all items, inter-item correlations, and internal consistency of the scales were performed using Cronbach's alpha. The convergent validity of the instrument was tested through the correlation with scales of similar content from the KIDSCREEN and through a priori hypotheses in groups of different ages and functional impairment.
Results: A final structure of the CP-QOL-PCQ was achieved with 8 multidimensional scales, with satisfactory inter-item correlations (>0.30) and internal consistency (>0.70). Moderate and high correlations (r>0.30) were obtained between similar dimensions of the CP-QOL-PCQ and the KIDSCREEN with similar concepts. Higher HRQoL scores were confirmed at a younger age and at a lower level of functional impairment (Cohen's d >0.20).
Conclusion: This provides evidence of reliability and validity to be expected for a HRQoL measurement instrument that can be implemented in the Argentine child and adolescent population with CP.
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