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Parent-child agreement across child health-related quality of life instruments: a review of the literature

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Upton, P.; Lawford, J.; Eiser, C.

AIM: To systematically review the literature published since 1999 on paediatric health-related quality of life (HRQL) in relation to parent-child agreement. METHODS: Literature searches used to identify studies which evaluated parent-child agreement for child HRQL measures. RESULTS: Nineteen studies were identified, including four HRQL instruments. The Pediatric Quality of Life Inventory (PedsQL) was most commonly used. Differences in parent-child agreement were noted between domains for different measures. The impact of child and parent characteristics were not consistently considered; however parents of children in a nonclinical sample tended to report higher child HRQL scores than children themselves, while parents of children with health conditions tended to underestimate child HRQL. CONCLUSION: Despite increasing numbers of studies considering children’s HRQL, information about variables contributing to parent-child agreement levels remains limited. Authors need to consistently provide evidence for reliability and validity of measures, and design studies to systematically investigate variables that impact on levels of parent-child agreement.

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