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Measuring quality of life in Japanese children: Development of the Japanese version of PedsQL

Background:  Health‐related quality of life (HRQL) is perceived as an important health‐care outcome. There are several systems for measuring the HRQL in adults but there are few such systems for children in Japan. Pediatric Quality of Life Inventory (PedsQL) is valid and demonstrates excellent reliability in the USA, Europe, and Asian countries. The aim of the present study was therefore to develop the Japanese version of PedsQL.