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Table 2 Descriptive value of the QLQ-C30 indicators included in SEM models at baseline (T1) and at the six-month follow-up (T2)

From: Response shift in health-related quality of life measures in the presence of formative indicators

QLQ-C30 indicators included in SEM models M SD Skew Kurt
T1; T2 T1; T2 T1; T2 T1; T2
Overall health (Q29, OH) 66.7; 70.7 23.3; 22.2  − 0.47; − .66  − .11; .13
Overall QoL (Q30, QoL) 67.9; 73.0 24.2; 22.3  − .54; − .58  − .43; − .41
Functioning scalesa (FC) 81.9; 85.8 14.7; 14.9  − 1.50; − 1.58 2.59; 2.65
Fatigue (FA) 30.7; 25.8 22.8; 24.7 .74; 1.03 .37; .69
Pain (PA) 17.6; 11.7 22.4; 20.2 1.30; 2.15 1.02; 4.73
  1. aAverage score of the five functioning sub-scales (physical, role, cognitive, social, emotional)
  2. T1 = baseline; T2 = six-month follow-up