• Peter Sand, Anna Nilsson Kleiberg, Marizela Kljajić, and Birgitta Lannering.
• Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, Sahlgrenska Academy, Gothenburg University, Sahlgrenska University Hospital, Gothenburg, Sweden. peter.sand@vgregion.se.
• Bmc Pediatr. 2020 Oct 28; 20 (1): 497.

BackgroundThe Pediatric Quality of Life Inventory (PedsQL) is a modular instrument, designed to integrate generic and disease specific measures, and includes both self- and proxy-reports. The aim of the study was to assess the reliability and limited validity of the Swedish version of the disease specific Pediatric Quality of Life Inventory 3.0 Cancer Module Scales (PedsQL 3.0), in a sample of Swedish children diagnosed with cancer.MethodA total of 94 families at The Queen Silvia Children's Hospital, Sahlgrenska University participated in the study. The Pediatric Quality of Life Inventory 4.0 Generic Core Scales (PedsQL 4.0) and the PedsQL 3.0 were administered to 63 children (aged 5-18 years) with cancer and to 94 parents of children with cancer aged 2-18 years.ResultsThe internal consistency of the PedsQL 3.0, reached or exceeded Cronbach's alpha values of 0.70 for both -self- and proxy-reports. The PedsQL 4.0 and PedsQL 3.0 were highly correlated (r = 0.94 for proxy-reports and r = 0.91 for self-reports), indicating convergent validity.ConclusionPedsQL 3.0 Cancer Module Scales can be used as a valuable tool for measuring cancer-specific HRQOL in child populations, both in research and in clinical practice.

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