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Table 4 Internal consistency reliability for the PedsQL™ Multidimensional Fatigue Scale

From: Cognitive fatigue in relation to depressive symptoms after treatment for childhood cancer

 BTALLCTRTotal
Child self-reportedαααα
 General fatigue0.8530.4830.7210.786
 Sleep/rest fatigue0.7920.5800.5730.666
 Cognitive fatigue0.9260.9190.7480.910
 Total fatigue0.9110.8510.8500.896
Parent-proxy-reportedαααα
 General fatigue0.7990.8910.8460.892
 Sleep/rest fatigue0.7010.8050.6830.792
 Cognitive fatigue0.9330.9280.8770.951
 Total fatigue0.9200.9380.8590.948
Parent-child concordanceICCICCICCICC
 General fatigue0.4890.4930.4160.564
 Sleep/rest fatigue0.5910.6140.2820.522
 Cognitive fatigue0.7760.5890.1620.656
 Total fatigue0.7400.7060.3130.679
  1. Abbreviations: BT brain tumour survivors; ALL acute lymphoblastic leukaemia survivors; CTR Controls; α Cronbach’s coefficient alpha; ICC Intraclass Correlation Coefficient